Attic Concrete Chimney Fire Block

Suitable for use with chimney liner.

Attic concrete chimney fire block.

I put my fire block 1 2 drywall in first then caulked with fire resistant caulk to fill gaps along the concrete wall. Material for fire blocks. The distance between a brick stone concrete block or other masonry chimney and the nearest combustible material such as wood framing is an important fire safety consideration that must be respected. And accepts an 8 in.

For a 2 x 4 wall use a 2 x 4 block for a 2 x 6 wall use a 2 x 6 block. Assuming you don t want to change your plans or if the chimney is already built then it is perfectly possible to insulate the chimney as it passes through your attic. The major reasons behind chimney issues will definitely vary but in this article we ll cover their most common problems and the causes. The blocks must be as wide as the wall.

Include drywall facing the chimney. The 2012 international residential code allows for the use of materials other than standard lumber although i do not recommend any of them. A masonry chimney can be made up of a variety of materials including bricks mortar concrete block stone flue tile cast iron and steel. Space the drywall an inch away from the chimney.

1027 jefferson ave utica ny 13501. Surround the chimney with four stud walls that you pre assemble on the floor of your attic. I then built my walls and nailed them in place. Lee the building code requires fireblocking to cut off the passage of fire within concealed spaces in a building of combustible construction including the space around a chimney where it penetrates floors and ceilings.

Chimney fire clearance distances between masonry wood framing. The center hole allows you to install chimney liner not included. I used a 6 level and a straight 2x4 to determine how wide to cut my drywall fire block so that i would not have to trim the drywall after the walls were in place. This article describes the fire clearances required for masonry chimneys.

For use with 8 in. Features a hole in its center. Requirements for masonry chimney attic fire block.