Floor Ceiling Fire Blocking

Here we see a soffit similar to what you see above cabinets in which the opening to the floor ceiling assembly occurs below the top plate.

Floor ceiling fire blocking. It s purpose is to prevent the spread of smoke and flames from reaching the bottom of the 1st floor of your home from the basement area thereby burning through and spreading to the 1st floor of the home. Fire blocking is a blocking device inserted between the top plate of your exterior wall and the exterior masonry wall. Wall ceiling finish 1st flr stud cavity subflooring fire in stud cavity fireblocking added there are instances in which the plates may not provide the protection that they do otherwise. Tools and materials framing tools and materials.

Materials for fire blocking. The blocks should be at a position in the wall right below or even with the ceiling or whatever else is attached to the wall. One layer of 3 4 in. Typically inspectors are looking for fire blocking in the gaps between the foundation wall and the framed wall of your basement specifically at the top of that wall area.

Particleboard covering any seams. For example if you have a drop down tray ceiling that has been furred down to 8 off the floor then the fire blocking can either go flush with the bottom of the 2 x 4 or it can set below the 2 x 4. Fire blocking basement walls basement walls that are framed up against the concrete foundation walls need to be fire blocked because there is a gap between the framing and the concrete wall. The drywall that is your ceiling is a form of fire blocking.

Fire blocking floor and ceiling openings. Materials approved for fire blocking are just common building materials. Plywood covering any seams. Fire blocking designed to slow down the spread of fire from one floor of your house to the next.