2. Gibraltar Building Products
  3. TW146-1/8

Gibraltar Building Products TW146-1/8 Operating instructions

  • Hello! I am an AI chatbot trained to assist you with the Gibraltar Building Products TW146-1/8 Operating instructions. I’ve already reviewed the document and can help you find the information you need or explain it in simple terms. Just ask your questions, and providing more details will help me assist you more effectively!
The opening should be at least 1 inch smaller than the vent size. 1. Remove old vent and any loose debris from opening.
2. Apply a bead of sealant to the vent ange or wall. 3. Using the partial punched corner fastener guides (4 per vent),
fasten vent with nails or screws.
1
2
3
CAUTION! Working above grade is inherently dangerous, be sure that proper fall protection measures
are in place. When working with power tools, gloves and eye protection are absolutely required.
INSTALLATION GUIDELINES
TWO-WAY VENT #TW146
These installation guidelines are for use with typical or standard applications. It is always recommended to seek advice from a licensed professional, and to
check with your local building inspector or building permit office for approvals and possible variations that may apply.
TW144
Size: 15 in. x 4.5 in.
N.F.V.: 33 Sq. In.
Opening: 13.75 in. x 3.25 in.
TW146
Size: 15 in. x 6.5 in.
N.F.V.: 52 Sq. In.
Opening: 13.75 in. x 5.25 in.
TW148
Size: 15 in. x 8.5 in.
N.F.V.: 71 Sq. In.
Opening: 13.75 in. x 7.25 in.
/