Do you fire block exterior walls?

Do you fire block exterior walls?

Most blocking mid-wall are not fireblocks. Some contractors think they have to do it. Other contractors do it as a method of keeping the wall studs straight. In an outside wall it could be part of a shearwall assembly, which requires the joints between the exterior plywood sheathing to be blocked.

What’s the best way to block a fire?

Install this fire blocking by nailing a piece of 5/8″ O.S.B. to the side of a wall stud an making sure the other edge of the O.S.B. is tight against the concrete wall. (insulating these these walls sometimes is approved under the IRC 302.1.1.1 rule. Ask your building inspector)

How to install fire blocking in basement walls?

How to install fire blocking in basement walls, stairways and other home framing. Fire blocking is necessary to restrict the passage of fire flames inside concealed spaces, like the walls of a house.

Can a drywall be used as a fire blocker?

Walls with drywall on both sides are simple. Fire blocking questions arise when framing things like soffits, columns that are more than 1 stud wide, furdowns around hvac and plumbing and the most common one, framing against a concrete wall so you can insulate and install drywall.

Where is fire blocking required in a building?

Ask your building inspector) Fire blocking is required inside concealed spaces both horizontally and vertically just like basement walls.

Where is fire blocking required?

Fire blocking is required in all stud walls at ceilings and floor levels. The vertical distance between blocking shall not exceed 10 feet. Blocking is required between studs along and in line with the run of a stair stringer in stairway sidewalls.

When is fire blocking required?

Fire blocking is required by most local building code departments when a home owner finishes their basement. Whether you hire a contractor, do it yourself, get a permit, choose not to get a permit, the truth is that installing the fire blocking is just a good idea.

What is wall framing blocking?

Blocks are spacers between studs such as where an interior wall attaches an exterior wall and for framing corners such as a “three-stud corner with blocking”. Blocking is used for panel edge supports such as sheets of drywall or plywood also called back blocking