Floor Ceiling Fire Blocking Details

Particleboard covering any seams.

Floor ceiling fire blocking details.

Shed porches that attach to a tall wall at the ceiling and the roof line. Through penetrations we have a broad innovative line of caulks putties sealants foams devices and large opening solutions for mechanical electrical and plumbing mep penetrations and membrane applications. 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. 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.

With cathedral ceilings the double top plates serve as fire blocking. Dwg pdf non fire rated smoke partition cp 572 smoke and acoustic spray comprehensive drawing 8 26 15 dwg pdf non fire rated smoke partition cs sl sa smoke and acousic sleeve comprehensive drawing 8 16 15 2 3 hr drawing type hour rating hilti cad details firestop revised june 16 2016. Material for fire blocks. The blocks must be as wide as the wall.

Step 4 fire blocking floor and ceiling openings all penetrations through the plates on a wall must be sealed with a foam caulk or insulation that is fire rated. The intent is to contain a fire within the wall cavity to a small area and to impede the fire from freely migrating to other connecting con cealed spaces. Knee walls how to handle upper story knee walls depends. One layer of 3 4 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. Fur downs including drop down tray ceilings. Two layers of 1 by lumber. Fire blocking designed to slow down the spread of fire from one floor of your house to the next.

Materials for fire blocking. The stud walls at soffits and drop ceilings and at the top and bottom of stair stringers etc by fireblocking. The drywall that is your ceiling is a form of fire blocking. One layer of 3 4 in.

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. Confusion about how to protect pipes and similar penetra. Plywood covering any seams. Bonus rooms if the floor level ties into a stud wall.

Fire blocking is a blocking device inserted between the top plate of your exterior wall and the exterior masonry wall. Materials approved for fire blocking are just common building materials. We provide a comprehensive portfolio of fire smoke. Any time a duct plumbing pipe or electrical wire goes through a floor or ceiling it must be sealed around it with some type of fire stop.

3m firestop solutions browse all firestop products. The most often used product is a expanding.