Permabase 50000043 Operating instructions

Brand
Permabase
Model
50000043
Type
Operating instructions

Permabase 50000043, an innovative 1/4" cement board underlayment, offers superior strength and versatility for various tiling projects. Its smooth mesh and mat surface provides a durable and rigid base for ceramic tiles on floors, countertops, tub decks, and outdoor kitchen counters. The patented EdgeTech® technology allows for closer fastening without crumbling or spinout, making it easy to install. Additionally, its low water absorption rate ensures a better tile bond and more open time. For more information, refer to the product manual.

Permabase 50000043, an innovative 1/4" cement board underlayment, offers superior strength and versatility for various tiling projects. Its smooth mesh and mat surface provides a durable and rigid base for ceramic tiles on floors, countertops, tub decks, and outdoor kitchen counters. The patented EdgeTech® technology allows for closer fastening without crumbling or spinout, making it easy to install. Additionally, its low water absorption rate ensures a better tile bond and more open time. For more information, refer to the product manual.

PermaBase
®
BRAND
UltraBacker
T
M
1/4" Cement Board Underlayment
09 28 00/NGC
PBUBsheetfinal.QXD_XPWALLBOARDsheet.QXD 1/17/11 2:37 PM Page 1
Tape & Screws
National Gypsum recommends
the use of PermaBase Tape and
PermaBase Screws to complete
your installation.
Description
1/4" PermaBase
®
BRAND UltraBacker™
Cement Board is used as an under-
layment for ceramic tile on floors,
countertops, tub decks and outdoor
k
itchen counters.
PermaBase UltraBacker is a rigid
substrate made of Portland Cement,
aggregate and a glass mesh and mat
facer that provides an exceptionally
hard, smooth and durable surface
that is able to withstand prolonged
exposure to moisture.
1/4" PermaBase UltraBacker offers a
competitive advantage over similar
products on the market with its
patented EdgeTech
®
technology.
The tapered, reinforced edge
design allows for closer nail or
screw application to the edge
while helping prevent damage in
transit and on the jobsite.
For flooring applications with 19.2"
o.c. and 24" o.c. floor joists, 3/4"
tongue and groove exterior grade
plywood or OSB must be used. Tile
size for floors with 24" o.c. floor
joists must be 12" x 12" or larger.
Features/Benefits
Smooth mesh and mat surface
is 30% stronger and four times
more rigid than competitive
1/4" cement boards.
Improved fastener holding and
reinforced edges allow for closer
fastening of nails or screws
without crumbling or spinout.
Is extremely durable in transit
and on the jobsite.
Cuts easily with a standard utility
knife versus specialty tools or
expensive power tools required
to cut traditional cement board
and fiber cement board.
The 1/4" thickness eliminates
the need to modify adjacent
thresholds when abutting to
carpet, wood flooring or other
common flooring materials.
PermaBase UltraBacker has the
lowest water absorption rate
(<4%) than other backerboards
which ensures more open time
and a better tile bond.
Mold and moisture resistant –
will not rot, swell or disintegrate
when exposed to moisture.
Compatible with all brands of
thinsets and grouts.
30-year limited warranty for
interior applications
GREENGUARD Indoor Air
Quality Certified
®
Handling
Recommendations
The advanced design of the product
using fiberglass mat/mesh technol-
ogy allows for easy and straight cuts
with a standard utility knife. Cutting
PermaBase UltraBacker with power
tools is not recommended. Due to
the fiberglass, dust and glass fibers
may be released during normal
handling and installation which
could result in eye or skin irritation.
Whenever possible, avoid contact
with the skin and eyes and avoid
breathing dust or fibers that may be
released during handling/instillation.
Consult the MSDS for this product,
available at
permabase.com.
PermaBase
®
BRAND UltraBacker
TM
1/4" Cement Board Underlayment
111101 Rev. 1/11
Corporate Headquarters
National Gypsum Company
2001 Rexford Road
Charlotte, NC 28211
Phone: (704) 365-7300
Web: nationalgypsum.com
nationalgypsum.com/espanol
Technical Information
Phone: (800) NATIONAL
(800) 628-4662
Fax: (800) FAX-NGC1
(800) 329-6421
COMPARISON CHART
1/4" PermaBase 1/4" Fiber
UltraBacker Cement
Moisture absorption when tested
according to ASTM C 473 <4% 25%
Permitted for use in exterior applications Yes No
Easily cut with standard utility knife Yes No
Organic cellulose fiber reinforcement No Yes
Recommend wiping entire surface
of board with damp sponge prior
to applying setting compounds. No Yes
Flame Spread/Smoke Dev. ASTM E 84 0/0 0/5
Fiberglass Mesh Tape
(Alkali Resistant)
Cabinet
Countertop
Floor Underlayment
Plywood
Latex-Portland
Cement Mortar
Latex-Portland
Cement Mortar
PermaBase
UltraBacker
Cement Board
Tile
Tile
I-Joists
3/4" Plywood
PermaBase
UltraBacker
Cement Board
Latex-Portland
Cement Mortar
Fiberglass Mesh Tape
(Alkali Resistant)
Latex-Portland
Cement Mortar
PBUBsheetfinal.QXD_XPWALLBOARDsheet.QXD 1/17/11 2:37 PM Page 2
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Permabase 50000043 Operating instructions

Brand
Permabase
Model
50000043
Type
Operating instructions

Permabase 50000043, an innovative 1/4" cement board underlayment, offers superior strength and versatility for various tiling projects. Its smooth mesh and mat surface provides a durable and rigid base for ceramic tiles on floors, countertops, tub decks, and outdoor kitchen counters. The patented EdgeTech® technology allows for closer fastening without crumbling or spinout, making it easy to install. Additionally, its low water absorption rate ensures a better tile bond and more open time. For more information, refer to the product manual.

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