Warringtonfire
Chiltern House
Stocking Lane
High Wycombe
HP14 4ND
United Kingdom
T: +44 (0)1494 569750
W: www.warringtonfire.com
Registered Office: Warringtonfire Testing and Certification Limited, 10 Lower Grosvenor Place, London, United Kingdom, SW1W 0EN. Reg No. 11371436
Title:
Field of Application
Sentry Prolite Timber Based Doorsets
30 Minutes Fire Resistance
Report Reference:
Chilt/A04030 Revision C
Report Number:
WF420793
Valid From:
12 November 2019
Valid Until:
30 August 2023
Prepared for:
Jiangsu Sainty Bancom Wood Co.
Ltd, T/A Sentry International
The Lodge
Church Hill
Burstall
Suffolk
IP8 3DU
Report No:
Chilt/A12082 Revision D
WF Contract
515329
Prepared for:
Ahmarra Ltd
Unit 20, Fitzherbert Road
Warringtonfire Report
Chilt/A04030 Rev C
Page 2 of 40
Contents Page Nos
1. Foreword ................................................................................................................ 3
2. Proposal ................................................................................................................. 3
3. Test Evidence ........................................................................................................ 4
4. Technical Specification ........................................................................................... 9
5. Leaf Sizes ............................................................................................................ 10
6. Configurations and Orientation ............................................................................. 10
7. Leaf Size Adjustment ........................................................................................... 10
8. Overpanels ........................................................................................................... 11
9. Glazing ................................................................................................................. 13
10 Door Frames ........................................................................................................ 15
11 Lippings................................................................................................................ 18
12 Leaf Facing Materials ........................................................................................... 18
13 Intumescent Materials .......................................................................................... 19
14 Adhesives ............................................................................................................ 19
15 Tested Hardware .................................................................................................. 20
16 Additional & Alternative Hardware ........................................................................ 20
17 Door Gaps ............................................................................................................ 24
18 Fixings ................................................................................................................. 24
19 Sealing to Structural Opening ............................................................................... 25
20 Smoke Control ..................................................................................................... 26
21 Insulation .............................................................................................................. 26
22 Conclusion ........................................................................................................... 27
23 Declaration by the Applicant for Report WF420793 .............................................. 28
24 Limitations ............................................................................................................ 29
25 Validity ................................................................................................................. 30
Appendix A Performance Data …………………………………………….…………..………... 31
Appendix B Proprietary Glazing Systems …………………………………………………..… 32
Appendix C Revisions ………………………………………………………………….………..… 34
Appendix D Data Sheets ……………………………………………………………………..…… 35
Warringtonfire Report
Chilt/A04030 Rev C
Page 3 of 40
1. Foreword
This field of application report has been commissioned by Jiangsu Sainty Bancom
Wood Co. Ltd, T/A Sentry International, and relates to the fire resistance of 30 minute
Sentry Prolite fire resisting doorsets.
The report is for National Application and has been written in accordance with the
general principles outlined in BS EN 15725: 2010; Extended application reports on the
fire performance of construction products and building elements.
This field of application (scope) uses established empirical methods of extrapolation
and experience of fire testing similar door assemblies, in order to extend the scope of
application by determining the limits for the designs based on the tested constructions
and performances obtained. The scope is an evaluation of the potential fire resistance
performance, if the variations specified herein were to be tested in accordance with BS
476: part 22 and therefore can neither be considered for a CE marking application nor
can the conclusion be used to establish a formal classification against EN13501-2.
This field of application has been written using appropriate test evidence generated at
UKAS accredited laboratories
1
, to the relevant test standard. The supporting test
evidence has been deemed appropriate to support the manufacturers stated door
design and is summarised in section 3.
The scope presented in this report relates to the behaviour of the proposed door design
variations under the particular conditions of the test; they are not intended to be the
sole criterion for considering the potential fire hazard of the door assembly in use.
This field of application has been prepared and checked by product assessors with the
necessary competence, who subscribe to the principles outlined in the Passive Fire
Protection Forum (PFPF) guidelines to undertaking assessments. The aim of the PFPF
guidelines is to give confidence to end-users that assessments that exist in the UK are
of a satisfactory standard to be used for building control and other purposes.
The PFPF guidelines are produced by the UK Fire Test Study Group (FTSG) an
association of the major fire testing laboratories in the UK and are published by the
PFPF, the representative body for the passive fire protection industry in the UK.
1
Test evidence from overseas laboratories has also been considered as supporting evidence
for the designs in this assessment report. The test evidence is from a laboratory that has
been accredited by a national accreditation body which is a signatory of the International
Laboratories Accreditation Co-operation (ILAC).
2. Proposal
It is proposed to consider the fire resistance performance of the doorset design
described in the technical specification in section 4 of this report, for 30 minutes fire
resistance integrity, if the doorset were to be tested to the requirements of BS 476:
Part 22: 1987, Fire tests on building materials and structures – Part 22: Method for
determination of the fire resistance of non-load bearing elements of construction.
The field of application defined in this report is based on the fire resistance test
evidence for the doorset design, which is summarised in section 3. Analysis of specific
construction details that require assessment are given within this report against the
relevant element of construction, as appropriate.
Warringtonfire Report
Chilt/A04030 Rev C
Page 4 of 40
3. Test Evidence
The test evidence summarised below has been generated to support the fire resistance
performance of the door designs that are the subject of this field of application.
3.1 Comparison of Test Standards
The ISO834 time/temperature curve used in BS 476: Part 22: 1987 test is the same as
within BS EN 1634-1, except for the use of Plate Thermometer device(s) for furnace
control in the EN test, which test data has shown to make the EN test more onerous.
This is due to the higher thermal inertia required for the plate thermocouple to read the
same temperature as the probe thermocouple used for the BS 476: Part 22 test,
particularly during the early stages of the test. It is therefore our assessment that the
same integrity performance would be achieved in a test conducted utilizing the
principles of BS 476: Part 22: 1987 and that test data generated to the requirements
of the EN test may therefore be used in support of this scope of application document,
written to the requirements of BS 476: Part 22: 1987.
Note: dimensions are in mm unless otherwise stated.
Abbreviations: (h) = height; (w) = width; (t) = thickness; (d) = depth.
Doorsets with latches fitted but disengaged for the test, are reported as ‘unlatched’.
Warringtonfire Report
Chilt/A04030 Rev C
Page 5 of 40
3.2 Test Reports 181212006SHF-001 and 181212006SHF-002
The referenced test reports, the essential details of which are summarised below, are
primary data for the Type A door design being considered for assessment in this report.
This test supports latched, single leaf, unglazed doorsets, hung in hardwood frames
with steel hinges, and a mortise lock, opening both towards and away from the furnace.
Date of test
30
th
January 2019
Identification of test body:
Intertek testing Services Shenshen Ltd, Shanghai, China
IAS accreditation No. TL-394
Sponsor:
Jiangsu Sainty Bancom Wood Co.Ltd
Tested Product:
Latched, single acting, single leaf, timber based flush
doorsets, referenced Doorset A and Doorset B
Summary of test specimen:
Both door leaf dimensions: 2135 (h) x 915 (w) x 44 (t).
Both leaves comprised a core of 3 layers of 12 (t) Albasia
blockboard lamels laid in alternating horizontal and vertical
directions with a 36 (t) x 32 (w) beech top rail, and faced on
each side with 4 (t) plywood. The leaves were lipped with 8 (t)
Meranti to all four sides and hung in a beech frame on 3 No.
stainless steel, bearing butt hinges. 15 x 4 PVC encased
Pyroplex intumescent seals were centrally fitted into the frame
reveal of the head and jambs. An SS5572-01A mortise lock
with latch and deadbolt was fitted to both doorsets.
The left hand doorset was oriented to open out from the
furnace; the right hand doorset was oriented to open towards
the furnace. Both leaves were latched for the duration of the
test.
Test Standard:
EN 1634-1:2014
Performance
Doorset A
Integrity: 31 minutes
1
Insulation: 31 minutes
Doorset B
Integrity: 31 minutes
1
Insulation: 31 minutes
1
No failures of integrity or insulation had occurred when the test was terminated at 31 minutes
at the request of the sponsor.
Warringtonfire Report
Chilt/A04030 Rev C
Page 6 of 40
3.3 Test Report WF403032
The referenced test report, the essential details of which are summarised below, is
primary data for the Type A door design being considered for assessment in this report.
This test supports latched and unlatched single leaf, single and double acting glazed
and unglazed doorsets, hung in softwood frames with steel lift off hinges, and a mortise
lock, opening towards the furnace.
Date of test
9
th
November 2018
Identification of test body:
Warringtonfire Testing and Certification Ltd.
UKAS No. 1762
Sponsor:
Jiangsu Sainty Bancom Wood Co.Ltd
Tested Product:
An unlatched, single acting, single leaf, timber based flush
doorset with glazing. The doorsets were referenced Doorset
A and Doorset B but only Doorset B is the subject of this
report.
Summary of test specimen:
Door leaf dimensions: 2135 (h) x 920 (w) x 45 (t).
The leaf comprised a core of 3 layers of 12 (t) Albasia falcata
lamels laid in alternating horizontal and vertical directions with
a 36 (t) x 32 (w) beech top rail, and faced on each side with 4
(t) plywood with a 0.5 (t) beech veneer. The leaves were lipped
with 6 (t) sapele to all four sides and hung in a 70 (d) x 32 (w)
Redwood frame on 3 No. steel, lift off hinges. 15 x 4 PVC
encased Pyroplex rigid box Seal Pile intumescent seals were
centrally fitted into the frame reveal of the head and jambs and
a 35 x 14 Norseal NOR810 aluminium drop seal was fitted to
the bottom edge of the leaf. A Rutland TS3204 surface
mounted overhead closer was fitted to the head of the leaf on
the exposed face and an E*S Eurospec tubular steel latch
was fitted to the doorset but disengaged.
The leaf was fitted with a glazed aperture 870 (h) x 715 (w)
incorporating 6 (t) Pilkington Pyroshield 2 GWPP glass glazed
with Lorient Polyproducts Ltd 36/6 Plus and LG1512 Plus
glazing system, fixed with sapele hardwood beads, 20 (h) x 21
(d), including a 5 x 5 bolection return, retained with 4Ø x 40
long steel screws, 50 from each corner and at 115 centres.
The leaf was oriented to open towards the furnace and was
unlatched for the duration of the test.
Test Standard:
BS 476 Part 22:1987
Performance
Doorset B
Integrity: 42 minutes
Insulation: 0 minutes
1
1
In accordance with section 8.6.1 of BS 476 Part 22:1987, the specimen was not evaluated for
insulation.
Warringtonfire Report
Chilt/A04030 Rev C
Page 7 of 40
3.4 Test Report RF04016
The referenced test report, the essential details of which are summarised below, is
primary data for the Type B door design being considered for assessment in this report.
This test supports latched and unlatched single and double, single and double acting
glazed and unglazed doorsets, hung in softwood and hardwood frames with steel lift
off hinges, overhead surface mounted closer, a mortise lock, aluminium handles and
6mm Pyroshield GWPP glass.
Date of test
19
th
February 2004
Identification of test body:
Chiltern International Fire Ltd, now trading as Warringtonfire
Testing and Certification Ltd. UKAS No. 1762
Sponsor:
CIPTA UK Ltd.
Tested Product:
An unlatched, single acting, double leaf, timber based flush
doorset with glazing, referenced doorset A and an unlatched
single acting, single leaf flush doorset, referenced doorset B.
Summary of test specimen:
Doorset A leaf dimensions: 2110 (h) x 852/300 (w) x 43 (t).
Doorset B leaf dimensions: 2415 (h) x 1210 (w) x 43 (t).
The leaves comprised a core of 3 layers of 12 (t) Falcateria
(Albasia falcata) lamels laid in alternating horizontal and
vertical directions with 1No 36 (t) x 22 (w) and 1No 36 (t) x 38
(w) hardwood top rails, a 36 (t) x 23 (w) hardwood stile to the
hanging edge, and faced on each side with 3.5 (t) WBP
hardwood plywood. The leaves were lipped with 8 (t) sapele
to the vertical edges only. Doorset A was hung in a 70 (d) x 32
(w) European redwood frame and doorset B was hung in a 70
(d) x 32 (w) sapele frame. Both doorsets were hung on 3 No.
Royde and Tucker steel, lift off hinges.15 x 4 PVC encased
Therm-A-Seal intumescent seals were centrally fitted into the
frame reveal of the head and jambs and the right meeting
edge of doorsets A. A Dorma TS73V surface mounted
overhead closer was fitted to the head of the leaf on the
exposed face and a tubular mortise latch was fitted to the
doorset but disengaged.
The right leaf of doorset A was fitted with a glazed aperture
700 (h) x 650 (w) incorporating 6 (t) Pilkington Pyroshield
GWPP glass glazed with nominally 2 (t) Sealmaster Fireglaze,
and fixed with sapele hardwood beads, 20 (h) x 21.5 (d),
including a 5 x 5 bolection return and 13° chamfer, retained
with 50 long steel pins, 45 from each corner and at 100
centres.
The leaves were oriented to open towards the furnace and
were both unlatched for the duration of the test.
Test Standard:
BS 476 Part 22:1987
Performance
Doorset A
Integrity: 37 minutes
Insulation: 37 minutes
1
Doorset B
Integrity: 44 minutes
2
Insulation: 44 minutes
2
1
In accordance with section 8.6.1 of BS 476 Part 22:1987, the specimen was not evaluated for
insulation.
2
Failure had not occurred on termination of the test.
Warringtonfire Report
Chilt/A04030 Rev C
Page 8 of 40
3.5 Test Report RF01059B
The referenced test report, the essential details of which are summarised below, is
primary data for the Type B door design being considered for assessment in this report.
This test supports a Type B variation incorporating thicker facings and a thinner core
for latched and unlatched single leaf, single and double acting glazed and unglazed
doorsets, hung in MDF frames with steel lift off hinges, and a tubular mortise latch,
opening towards the furnace.
Date of test
16
th
July 2001
Identification of test body:
Chiltern International Fire Ltd, now trading as Warringtonfire
Testing and Certification Ltd. UKAS No. 1762
Sponsor:
Williamson Associates
Tested Product:
An unlatched, single acting, single leaf, timber based flush
doorset with glazing.
Summary of test specimen:
Door leaf dimensions: 2135 (h) x 915 (w) x 45 (t).
The leaf was identified as a Sentry Superlite construction with
a 34 (t) core and 5.5 (t) ply facings, lipped with 6 (t) sapele to
all four sides, and hung in a 125 (d) x 25 (w) SAM MDF primed
frame, on 3 No. Royde and Tucker lift off hinges. Intumescent
Seals Ltd 20 x 4 PVC encased Therm-A-Seal intumescent
seals were centrally fitted into the frame reveal of the head and
jambs. A Dorma TS73V surface mounted overhead closer
was fitted to the head of the leaf on the exposed face and a
Henderson Hardware Ltd tubular mortise latch was fitted to the
doorset but disengaged. Aluminium lever handles were fitted
appropriate to the latch.
The leaf was fitted with a glazed aperture 704 (h) x 604 (w)
incorporating 6 (t) Pilkington Pyroshield GWPP glass glazed
with nominally 2 (t) Sealmaster Fireglaze, and fixed with
sapele hardwood beads, 26 (h) x 27 (d), including a 10 x 6
bolection return and 24° chamfer, retained with 50 long steel
pins at 100 centres.
The leaf was oriented to open towards the furnace and was
unlatched for the duration of the test.
Test Standard:
BS 476 Part 22:1987
Performance
Integrity: 35 minutes
Insulation: 35 minutes
1
1
In accordance with section 7.6.1 of BS 476 Part 22:1987, the glazing was not evaluated for
insulation.
Warringtonfire Report
Chilt/A04030 Rev C
Page 9 of 40
4. Technical Specification
4.1 General
The technical specification for the proposed door assembly is given in the following
sections based on the test evidence for the door design, summarised in section 3.
4.2 Intended use
The intended use of the proposed door assembly is summarised below:
A pedestrian doorset including any frame, door leaf or leaves which is provided to give
a fire resisting capability when used for the closing of permanent openings in fire
resisting separating elements, which together with the building hardware and any seals
(whether provided for the purpose of fire resistance or smoke control or for other
purposes such as draught or acoustics) form the assembly.
4.3 Description of Construction – Type A
The basic tested construction of the Sentry Prolite door design comprises the following:
Element
Material
Dimensions
(mm)
Density
(kg/m³)
Stiles
None
-
-
Rails (top only)
1No. hardwood
1No. 32 (w) x 36 (t)
565**
Core
Inner
Horizontal Falcateria lamels
12 (t) x nominally 50 (w)
345**
Outer
Vertical Falcateria lamels
12 (t) x nominally 50 (w)
345**
Facings
WBP hardwood plywood
4.0 (t)
550*
Hardwood veneer
0.5 (t)
varies
Lipping
Hardwood
6 - 8 (t)
640*
* Nominal density; ** Stated density, checked by laboratory
4.4 Construction Variation – Type B - double top rail and hanging edge stiles
Element
Material
Dimensions
(mm)
Density
(kg/m³)
Stiles (hanging
edge only)
Hardwood
23 (w) x 36 (t)
549**
Rails (top rail
only)
2No. hardwood
1No. 22 (w) x 36 (t)
1No. 38 (w) x 36 (t)
565**
Core
Inner
Horizontal Falcateria lamels
12 (t) x nominally 50 (w)
345**
Outer
Vertical Falcateria lamels
12 (t) x nominally 50 (w)
345**
Facings
WBP hardwood plywood
3.5 (t), 4.0 (t), or 5.5 (t)
1
550*
Lipping
Hardwood
6 - 8 (t)
640*
1
Core is reduced to 34mm for 5.5 (t) plywood facings. (See table above for * and ** legends.)
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Chilt/A04030 Rev C
Page 10 of 40
5. Leaf Sizes
The approval for increased leaf dimensions is based on the tests listed in section 3
and takes into account the margin of over performance above 30 minutes integrity for
the design and the characteristics exhibited during test. Data sheets specifying the
maximum approved leaf sizes and graphs showing the permitted gradient between
maximum height and width, are contained in appendix D.
Unequal leaf double doorsets are covered by this assessment with no restriction on
the smaller leaf dimension. Doorsets containing leaves with smaller dimensions than
those stated are deemed to be less onerous and are therefore automatically covered.
6. Configurations and Orientation
6.1 Configurations
Based on the test evidence summarised in section 3, this assessment covers the
following doorset configurations:
Abbreviation
Description
Construction
Type
LSASD & ULSASD
Latched & unlatched single acting single
doorset
Types A and B
DASD
Double acting single doorset
Types A and B
LSADD & ULSADD
Latched & unlatched single acting double
doorset
Type B only
DADD
Double acting double doorset
Type B only
6.2 Orientation
The primary fire resistance test for this design was conducted with one doorset hung
such that the door leaf opened towards the fire, and one doorset hung such that the
door leaf opened away from the fire. Based on this testing, assessment is made that
doorsets to this design may be hung to open either away from or towards the fire risk
side of the doorset.
The fire risk may therefore be from both directions with respect to these doorsets.
7. Leaf Size Adjustment
Door leaves constructed to this design may be altered as follows:
Element
Reduction
Leaf Height
The manufactured leaf height may be reduced without restriction
from the bottom edge only.* The top rail must remain intact
Leaf
Width
Type A
The manufactured leaf width may be reduced without restriction
from either edge.*
Type B
The manufactured leaf width may be reduced from the closing,
lock edge, only. The hanging edge stile must remain intact.*
Timber lippings
The lipping dimensions stated in section 11 may be reduced by
20% for site - fitting purposes.
* Following reductions, all lippings must be reinstated in accordance with section 11.
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Chilt/A04030 Rev C
Page 11 of 40
8. Overpanels
8.1 Solid
Overpanels of the same construction as the Type A and Type B door leaves detailed
in sections 4.3.and 4.4 may be used with this doorset design only when a transom is
fitted. The transom must be softwood or hardwood and must have a minimum section
of 70mm x 32mm.
Joints must be mortise and tenon, mortise housed or butt jointed and glued and
screwed.
Overpanels must be fixed using the following method:
screwing through the rear of the frame with steel screws passing at least 30mm
into the centre line of the overpanel. Fixings must be no more than 100mm from
each corner and a maximum of 250mm centres in between.
The intumescent seal specification for overpanel assemblies must be as the jamb for
vertical edges and the head for horizontal edges and must be on all 4 edges of the
overpanel as defined in appendix D for the different designs and configurations.
Overpanels must be lipped on all edges, meeting the specification in section 11.
Maximum assessed overpanel heights are as follows:
Configuration
Max Overpanel Height (mm)
Single doorsets
2000
Double Doorsets
1000
Drawing is representative of doorset construction. Exact construction must comply with
the specification contained in this document.
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Page 12 of 40
8.2 Glazed Fanlights
Doorsets including a transom may have the overpanel section glazed in lieu of a
section of door. The timber frame and glazing beads must be hardwood with a
minimum density of 640 kg/m
3
and the transom section must be a minimum of 70mm x
44mm.
The maximum assessed fanlight dimensions are detailed in the table below, subject to
the following restriction:
The glazing system and glass must be able to demonstrate adequate performance
when tested as a window or screen in accordance with BS 476: Part 22: 1987 or
BS EN 1634-1, at the pane dimensions to be installed.
Configuration
Height (mm)
Width (mm)
Single & double doorsets
≤600
Overall door width
Note: Drawing is representative of doorset construction. Exact construction must
comply with the specification contained in this document.
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Page 13 of 40
9. Glazing
9.1 General
The testing on the Sentry Prolite design has successfully demonstrated that it is
capable of tolerating the inclusion of glazing.
The permitted glazed area for all configurations is 0.91m² and the glazing must meet
the following criteria:
9. 2 Assessed Glazing Systems
The glazing system must be one of the following tested proprietary systems:
Glazing System
Manufacturer
1. Therm-A-Strip 30
Intumescent Seals Ltd
2. Fireglaze 30
Sealmaster Ltd
3. Firestrip 30
Hodgson Sealants Ltd
4. System 36 Plus
Lorient Polyproducts Ltd
5. Pyroglaze 30
Mann McGowan Ltd
6. R8913
Pyroplex Plc
7. Flexible Figure 1
Lorient Polyproducts Ltd
9.3 Assessed Glass Products
Assessed glass types are as follows:
Glass Type
Manufacturer
1. 6 & 7mm Pyroshield 2
Pilkington UK Ltd
2. 6mm Pyran S
Schott Glass Ltd
3. 7mm Pyroguard EW30
Pyroguard UK Ltd
4. 7mm Pyrobelite 7
AGC Flat Glass UK
5. 7mm Pyrodur 30-104 or 30-105
Pilkington UK Ltd
6. 10mm Pyrodur 30-201/60-10
Pilkington UK Ltd
7. 12mm Pyrobelite 12
Pyroguard UK Ltd
8. 15mm Pyrostop 30-10
Pilkington UK Ltd
9. 16mm Pyrobel 16
AGC Flat Glass UK
Notes:
1. All glass must be fitted in accordance with the manufacturers' tested installation
requirements, particularly with respect to edge cover and expansion clearance.
2. Glass types 8 and 9 are fully insulating for 30 minutes in terms of the criteria set
out in BS 476: 20: 1987.
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Page 14 of 40
9.4 Glazing Beads & Installation
Glazing beads must be from hardwood as specified in the following table:
Material
Profile
Min Density
(kg/m
3
)
Application
Hardwood
Splayed
640
All proprietary systems detailed in 9.2
and shown in appendix B and all glass
types specified in 9.3
Hardwood
Square
640
Proprietary systems 1,2 & 3 as specified
in 9.2 and shown in appendix B, and
glass types 4-9 specified in 9.3
Timber for glazing beads must be joinery quality straight grained hardwood, free from
knots, splits and checks.
A square bead profile may be used as an alternative to the splayed beads required for
the proprietary systems, subject to the restricted glass types and glazing systems
specified in the table above (see appendix B for square bead profile options).
Glazing beads must be retained in position with 50mm long x 2mm diameter steel pins
or 40mm long No 6-8 screws, inserted at 35-40º to the vertical at no more than 50mm
from each corner and at 150mm maximum centres.
Pneumatically (gun) fired steel pins are acceptable providing the pins meet the
specifications shown below, are a minimum of 60mm long, and wherever possible are
orientated perpendicularly to the glass.
Round pin diameter (mm) = minimum 1.6mm:
Oval/rectangular pin minimum linear dimensions = 1.6mm x 1.4mm:
Glazed openings must not be less than 100mm from any door edge. Multiple apertures
are acceptable within the permitted glazed area, with a minimum of 80mm of door core
separating the apertures.
Aperture shape is not restricted, providing the glazing system and beads are
compatible with that shape.
1.6mm
1.6mm
1.6mm
1.4mm
1.4mm
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Page 15 of 40
9.5 False Glazing Beads
False timber beads may be bonded to the glass face. Suitable glass for this application
is restricted to types 4 - 9. One of the following intumescent glazing products must be
used.
Glazing System
Manufacturer
1. Therm-A-Strip 30
Intumescent Seals Ltd.
2. Fireglaze 30
Sealmaster Ltd.
3. Firestrip 30
Hodgsons Sealants Ltd.
4. Envirograf Product 77 – G10/10
Intumescent Seals Ltd.
Seals for false glazing beads must be a minimum of 10mm wide x 0.5 – 3mm thick.
Preformed strip systems 1 – 4 may be self-adhesive and grooved into the rear of the
glazing bars.
10 Door Frames
10.1 Door Frame Construction
Door frames for Sentry Prolite must be constructed as follows:
Application
Material
Section
Size (mm)
Min Density
(kg/m³)
Door frames with
or without
transomed solid
overpanels
Softwood or hardwood
70 x 32
510
Hardwood
(extended leaf size range for single
doorsets-see note 1)
70 x 32
640
MDF
(single doorsets only-see note 2)
95 x 25
700
Door frames with
glazed fanlights
Hardwood
70 x 44
640
Notes:
1. The single leaf doorset B tested in RF04016, evaluated the performance of the Sentry
Prolite design utilising a hardwood door frame (see graph contained in appendix D for
extended single leaf size range).
2. The doorset tested in RF01059B (AR2), evaluated the performance of the Sentry
Superlite design, utilising an MDF door frame (see graph contained in appendix D for
the permitted single leaf size range).
3. Timber used for constructing door frames must meet or exceed class J30 as specified
in BS EN 942: 2007, providing any defects are adequately repaired.
4. A 12mm deep planted stop is adequate for single acting frames whilst double acting
frames must may be scalloped or square. If frames are square, the maximum radius
to the corners of the leaf is 8mm. Frame joints must be mortice and tenoned, mitred,
butt, half lapped nailed or screwed and with no gaps.
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Page 16 of 40
The following diagram depicts the assessed frame profiles and dimensions:
A = min 70mm
MDF = min 95mm
B = min 32mm
MDF = min 25mm
C = min 12mm
R = radius from floor spring
R8 = 8mm radius to create maximum 2mm edge profiling
10.2 Door Frame Joints
Half Lapped Joint
Mitre Joint
Mortice and Tenon Joint
Butt Joint
Warringtonfire Report
Chilt/A04030 Rev C
Page 17 of 40
10.3 Door Frame Installation
The following diagrams indicate acceptable door frame installations.
Permitted Installations
6 to 10mm
Max 10 x 10mm shadow gap with 2mm
intumescent mastic capping or
10 x 4mm PVC encased intumescent seal
15mm
Permitted Permitted
PermittedNot PermittedNot Permitted
Permitted
6-10mm is the maximum a frame is permitted
to be proud of the structural surround when
combined with a 12mm bolection return.
Projecting frames outside these dimensions will
require specific test evidence or assessment.
6 to 10mm
Max 10 x 10mm shadow gap with 2mm
intumescent mastic capping or
10 x 4mm PVC encased intumescent seal
15mm
Permitted Permitted
PermittedNot PermittedNot Permitted
Permitted
6 to 10mm
Max 10 x 10mm shadow gap with 2mm
intumescent mastic capping or
10 x 4mm PVC encased intumescent seal
15mm
Permitted Permitted
PermittedNot PermittedNot Permitted
Permitted
Shadow gaps are permitted as shown in the
above diagram providing the frame to structural
surround is infilled with timber of the same
density as the frame or a non-combustible
material such as plasterboard. Other shadow
gap dimensions will require specific test
evidence or assessment.
6 to 10mm
Max 10 x 10mm shadow gap with 2mm
intumescent mastic capping or
10 x 4mm PVC encased intumescent seal
15mm
Permitted Permitted
PermittedNot PermittedNot Permitted
Permitted
Architraves overlapping the frame to structural
surround junction are always permitted where
required but may be mandatory depending on
the size of frame to surround junction gap and
the fire stopping used. See section on Sealing
to the Structural Surround.
6 to 10mm
Max 10 x 10mm shadow gap with 2mm
intumescent mastic capping or
10 x 4mm PVC encased intumescent seal
15mm
Permitted Permitted
PermittedNot PermittedNot Permitted
Permitted
Depending on the size of the frame to surround
junction gap and the fire stopping methods
used, it may be permitted to install doorsets
without architraves. See section on Sealing to
the Structural Surround.
Installations Not Permitted
6 to 10mm
Max 10 x 10mm shadow gap with 2mm
intumescent mastic capping or
10 x 4mm PVC encased intumescent seal
15mm
Permitted Permitted
PermittedNot PermittedNot Permitted
Permitted
Projecting frames without bolection returns are
not permitted without specific test evidence or
assessment due to the potential for increased
charring to the back of the frame.
6 to 10mm
Max 10 x 10mm shadow gap with 2mm
intumescent mastic capping or
10 x 4mm PVC encased intumescent seal
15mm
Permitted Permitted
PermittedNot PermittedNot Permitted
Permitted
Quirks between the leaf and frame are not
permitted without specific test evidence or
assessment due to the potential for increased
charring of the leaf to frame gap.
Notes: Dark brown = lippings and architraves; blue = 5-10mm fitting tolerance for sealing*.
Structural openings may be thicker than frames providing the minimum frame sections in 10.1 are
maintained and frame to structural opening junctions are sealed in accordance with section 19.
The diagrams above are representative; actual installation must be as the text within this
document specifies. *See section 19 for sealing to structural opening.
12-15mm
Warringtonfire Report
Chilt/A04030 Rev C
Page 18 of 40
11 Lippings
Sentry Prolite doors only require lipping on the vertical edges but may be lipped on all
edges if required. Lippings must meet the following specification:
Type
Dimensions
(mm - thick)
Min Density
(kg/m³)
Flat
8 - 11
640
Rounded
8 - 11 with a max of 2 rounding (see section
10.1)
Rebated
Not permitted
Timber for lippings must be joinery quality straight grained hardwood, free from knots,
splits and checks.
12 Leaf Facing Materials
The primary tested facing material for this doorset design is 3.5mm thick hardwood
plywood. However, tests RF01059B (AR2) and WF403032, evaluated thicker plywood
faces.
The following table defines the acceptable facing options:
Material
Dimension (mm)
Minimum Density (kg/m³)
Plywood
3.5 or 4.0
1
640
Plywood
5.5
2
600
Chipboard
3.5 or 4.0
1
650
MDF
3.5 or 4.0
1
700
1
when utilising 3.5mm or 4.0mm thick facings, the core must be 36mm thick.
2
when utilising 5.5mm thick ply facings the core must be 34mm thick.
12.1 Decorative and Protective facings
The following materials are permitted for this door design since they would degrade
rapidly under fire test conditions without significant effect:
Facing Material
Maximum Permitted Thickness (mm)
Paint
0.5
Timber veneers
2
Plastic laminates
2
Cellulosic paper/non-metallic foils
0.4
Notes:
1. Metallic facings are not permitted (except for push plates and kick plates)
2. The door leaf thickness must not be reduced to accommodate the finish
3. Materials must not conceal intumescent strips
4. Plastic laminates must not be applied to the edges of leaves
Warringtonfire Report
Chilt/A04030 Rev C
Page 19 of 40
13 Intumescent Materials
The intumescent materials tested and assessed for this doorset design are as follows:
Application
Location
Product/Manufacturer
Edge seals
Fitted in the
frame jambs or
leaf edges
1. Pyroplex rigid Box Seals – Pyroplex Ltd
2. Therm-A-Seal – Intumescent Seals Ltd
Hinges
Under hinge
blades
1. 1mm MAP paper - Lorient Polyproducts Ltd
2. 1mm Interdens - Dufaylite Developments Ltd
3. 1mm G30 – Sealmaster Ltd
4. 1mm Therm-A-Strip - Intumescent Seals Ltd
Lock/latch
Under forend &
keep
Top pivots &
flush bolts
Lining all sides
of the mortices
1. 2mm MAP paper - Lorient Polyproducts Ltd
2. 2mm Interdens - Dufaylite Developments Ltd
3. 2mm G30 – Sealmaster Ltd
4. 2mm Therm-A-Strip - Intumescent Seals Ltd
The seal specification for each configuration is shown in appendix D.
14 Adhesives
The adhesives used in construction must be as detailed in the following table:
Element
Adhesive Type
Timber Lippings
Urea formaldehyde (e.g. Cascamite) or PU
Facing
WBP
Core lamels
PVA
Warringtonfire Report
Chilt/A04030 Rev C
Page 20 of 40
15 Tested Hardware
The following hardware has been successfully incorporated in the tests on this design:
Element
Product
Dimensions
(mm)
Location
Hinges
Royde & Tucker H105 lift off
hinges
100 x 35
(blade size)
152mm, 1008mm
and 1864mm from
the leaf head
Royde & Tucker Hi Load 101
lift off hinges
100 x 35
(blade size)
150mm, 1000mm
and 1855mm from
the leaf head
Stainless Steel 304 2BB
hinges
102x 35
(blade size)
182mm and
384mm from the
leaf head and 322
from leaf bottom
Closers
Dorma Door Controls Ltd
TS73V surface mounted
overhead closer
233 x 60
(footprint size)
Fitted to the
exposed face as
per manufacturer’s
instructions
Rutland TS3204 surface
mounted overhead closer
220 x 59
(footprint size)
Locks and
Latches
Standard tubular mortise latch
- disengaged
57 x 26
(forend size)
Fitted 1412 from
the leaf head
SS5572-01A Mortise lock
240 x 33
(forend size)
Fitted 1000 from
the leaf bottom
E*S Eurospec tubular steel
latch TL2
55 x 25
(forend size)
Latch nib 1000 from
the leaf bottom
Furniture
Zoo Hardware aluminium
lever type handle
100 x 38
(footprint size)
Fitted appropriate
to the latch
16 Additional & Alternative Hardware
16.1 Certifire
The Certifire third party certification scheme approves various items of hardware for
different door types and different fire ratings and has its own set of requirements
relating to that item of hardware.
Where the alternative hardware sections in this report allow alternatives to the tested
hardware, Certifire approved hardware may be used as an alternative, subject to the
following provisos:
In all cases, the requirements of this report must take precedence.
The hardware must comply with the requirements of the relevant section
e.g. hinges.
The hardware must comply with the limitations specified in terms of design,
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