Fire Blocking In Basement Walls
There will be a 3 5 space between your concrete wall and the framed drywall walls.
Fire blocking in basement walls. Diy basement finishing course. If you re in the process of building a new house you probably won t have to specify that you want fireproof materials as these features are now standard. 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. It s the same as if you had a drywalled ceiling.
R602 8 item 1 2 states that fire blocking is needed horizontally at intervals not exceeding 10 feet within concealed spaces in stud walls. The subject of fire blocking a basement seems to be surrounded by mystery and secrecy. In any case the underlying theme is to not spread the fire as much as possible. Our basement walls trigger a second code requirement.
Hi geoff okay here s the deal with fire blocking your basement with a no drywall ceiling. Fire blocking is for the ceiling space behind your basement walls which i m presuming are going to be drywalled. Fire block and firestop are two different concepts and use different materials. 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.
Code requirements for adding fire blocking and draft stopping apply mainly to new construction. Vertical basement wall fire blocking fire blocking basement walls is installed by nailing on strips of 5x8 or thicker o s b. In a residential setting and especially when finishing your basement you are most likely going to fire block. Spray foams that are approved for fire blocking.
This is an area that seems to be very confusing for a lot of diy ers finishing their own basement. 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. Or drywall to the top.