Framing & StructuralQuestion 315 of 700
Fireblocking is required in concealed wall spaces primarily to accomplish what?
a.Add structural shear strength to the wall
b.Provide a nailing surface for siding
c.Cut off concealed draft openings and slow the spread of fire and hot gases through hidden spaces
d.Support plumbing pipes
Explanation
Fireblocking closes concealed vertical and horizontal openings (such as at floor and ceiling levels and around soffits) so fire and hot gases cannot travel unchecked through the framing cavities. It is not intended for shear strength, siding attachment, or supporting pipes.
Law Reference: 2025 CA Residential Code §R602.8Practice all 700 questions free — no signup required.
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