Fire Blocking In Basement Walls

Spray foams that are approved for fire blocking.

Fire blocking in basement walls.

Code requirements for adding fire blocking and draft stopping apply mainly to new construction. Fire blocking is for the ceiling space behind your basement walls which i m presuming are going to be drywalled. R602 8 item 1 2 states that fire blocking is needed horizontally at intervals not exceeding 10 feet within concealed spaces in stud walls. But if you re finishing a basement putting on an addition remodeling a room or just running pipes or wires through a plate you ll need to include fire blocking.

In a residential setting and especially when finishing your basement you are most likely going to fire block. Insulate your basement with fire blocking materials. I know how you feel i have been finishing basements for 27 years and in the old days nobody ever heard of fire blocking. It s the same as if you had a drywalled ceiling.

Hi geoff okay here s the deal with fire blocking your basement with a no drywall ceiling. In any case the underlying theme is to not spread the fire as much as possible. Fire block and firestop are two different concepts and use different materials. The rule is intended to prevent all the bays in a wall from being connected when the studs are not drywalled or sheathed on both sides.

The subject of fire blocking a basement seems to be surrounded by mystery and secrecy. This is an area that seems to be very confusing for a lot of diy ers finishing their own basement. 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. Diy basement finishing course.

Insulators like gypsum mineral wool and particle board are known for their fire retardant qualities. There will be a 3 5 space between your concrete wall and the framed drywall walls. Our basement walls trigger a second code requirement.