How To Fire Block Metal Framing

The block is nothing more than a 2 x 6 or fire-rated drywall turned flat and attached to the bottom of the first floor joists.

How to fire block metal framing. The 26 acts as fill for the 2 legs of the stud since most all the stud legs are facen the same way each fire block requires 1 scrap of 26 and one 25 piece of track 225 and 125 legs on each end took me about 5 min a block usen a couple spring clamps and cordless drill snips and sheet metal plyers. Firestopping sprays can range between 10mm and 70mm in thickness and are applied to steel using a spraying machine. Starting Your Next Cold-Formed Steel Framed Project 4.

Installing this type of fire blocking is relatively simple. Some foam materials are. The purpose of fire blocking is to prevent fire from spreading through the concealed spaces of a building.

It acts as a cap at the top of your framed basement wall to contain any fire in the wall long enough to alert the smoke alarms in the basement see illustration at bottom. Blocking is required wherever a fire or draft can pass from horizontal plane to a vertical plane or vice versa. Flat headed sleeve anchors are some times used for attaching a hollow metal door frame to a block wall.

If you do attempt to use foam be sure it is approved for fire stopping. In otherwords where the wall meets the floor and the floor meets a ceiling. The batts stop the drafting of air and combustion gasses in a wall cavity.

Materials approved for fire blocking are just common building materials. One layer of 34-in. If fire can pass through one section and travel to another it needs to be blocked.

With resources like the American Iron and Steel Institutes AISI cold-formed steel framing standards. Or Drywall to the top plate and over the gap between the concrete wall and the framed wall. Standard construction specifies the vertical studs be installed 16 inches apart.