Materials approved for fire blocking are just common building materials.
Fire blocking in exterior walls.
The international building code ibc has fire blocking requirements that are intended to limit the spread of flames smoke and gases in combustible concealed spaces such as a wood frame wall cavity.
Fire blocking being installed both vertical there are no sill plates anywhere and horizontally although each room runs joists different directions wall bays connect ceiling.
Fire blocking between studs.
We will also go through some methods used in home construction to prevent the spread of a fire.
Materials for fire blocking.
Particleboard covering any seams.
Fire blocking is a blocking device inserted between the top plate of your exterior wall and the exterior masonry wall.
Vertical basement wall fire blocking fire blocking basement walls is installed by nailing on strips of 5x8 or thicker o s b.
Two layers of 1 by lumber.
Horizontal basement wall fire blocking fire blocking must also be installed every 10 horizontally along the wall irc 302 11 1.
In this video i will explain what fire blocking is and how it works.
If one should ever occur.
In other words these cavities can act like the flue on a fireplace and actually promote the rate in which a fire could grow.
Plywood covering any seams.
One layer of 3 4 in.
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.
Spaces of masonry or concrete fire wall.
One layer of 3 4 in.
Blocking or nailers used to support fixtures railings cabinets and support of interior and exterior finishes furring strips as permitted in ibc section 803 11 combustible exterior wall coverings balconies and similar projections and bay or oriel windows in accordance with ibc chapter 14.
These requirements contained in ibc 2015 section 718 2 2 state that fire blocking is required vertically at the ceiling.
707 2 exc 6 shaft requirement may be eliminated for chimneys when fireblocked 708 4 fireblocking required in fire partitions when not continuous between deck and ceiling 803 4 ftnote a interior finish paneling over furring strips 804 4 1 subfloor construction 1406 2 4 combustible exterior wall veneers.
Opening up interior and exterior walls and ceiling reviled a perfect example of chimney walls inside and out connected to ceiling truss bays.
These spaces can create drafts that will allow fire to spread readily if not dealt with.
In the habitat house we worked in baltimore city two weekends ago the project team installed additional fire blocking in the studs of the house by nailing a 2 4 half way up on the wall.
