Fire Stops In Walls

Fire blocking is needed when wood and steel stud walls only have drywall on one side because the fire is now able to go around the top plate and up into the framing above.

Fire stops in walls. The cables cable trays or conduits that make up the object creating the penetration. A firestop or fire stopping is a form of passive fire protection that is used to seal around openings and between joints in a fire resistance rated wall or floor assembly. It s important to add solid wood blocking as well if floor joists intersect a wall so that the fire can t go up a wall and then sideways in between floor or ceiling joists. Fire blocking isn t something you ll see at the home depot labeled fire stopping stuff or fire block.

3m fire barrier blocks plugs planks and fire rated foam 4 3m fire barrier composite sheets mortar and pillows 7 3m fire barrier devices 19 3m fire barrier door window and fire rated safe gasket materials 3 3m fire barrier endothermic mat and associated products 9 3m fire barrier grease and air duct wrap products 4. It s just material drywall in my case that s nailed into the gap between your top plate of your framed walls and the foundation of your house. The fire rated walls partitions floors or ceilings being penetrated. In modern residential home design this is most commonly achieved in walls by continuous 2x4 or 2x6 top and bottom plates that separate studs from the joists above.

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 sleeves are designed to fill or seal an aperture created by pipes or cables passing through a fire rated wall or ceiling. If a fire starts within the wall the top block stops the fire from getting into the attic. Fire blocking is a blocking device inserted between the top plate of your exterior wall and the exterior masonry wall.

And the materials and methods used to seal the penetrations to prevent the spread of fire and smoke. All modern american building codes requires fire stopping devices be incorporated in certain walls floors and attics. In a fire situation the sleeve expands to fill the available space between the service and the substrate. Firestops are designed to maintain the fireproofing of a wall or floor assembly allowing it to impede the spread of fire and smoke.

These fire stops prevent fire from moving too easily up a wall to the room above or into another area of the house. Featured products systems products systems.