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// CODE SNIPPET

718.2.7 Concealed Sleeper Spaces

Building Code 2015 of Utah > 7 Fire and Smoke Protection Features > 718 Concealed Spaces > 718.2 Fireblocking > 718.2.7 Concealed Sleeper Spaces
JUMP TO FULL CODE CHAPTER
Where wood sleepers are used for laying wood flooring on masonry or concrete fire-resistance-rated floors, the space between the floor slab and the underside of the wood flooring shall be filled with an approved material to resist the free passage of flame and products of combustion or fireblocked in such a manner that there will be no open spaces under the flooring that will exceed 100 square feet (9.3 m2) in area and such space shall be filled solidly under permanent partitions so that there is no communication under the flooring between adjoining rooms.
Exceptions:
  1. Fireblocking is not required for slab-on-grade floors in gymnasiums.
  2. Fireblocking is required only at the juncture of each alternate lane and at the ends of each lane in a bowling facility.

Related Code Sections


718.2.7 Fire and Smoke Protection Features, Concealed Sleeper Spaces
Where wood sleepers are used for laying wood flooring on masonry or concrete fire-resistance-rated floors, the space between the floor slab ...
Building Code 2018 of Utah > 7 Fire and Smoke Protection Features > 718 Concealed Spaces > 718.2 Fireblocking > 718.2.7 Concealed Sleeper Spaces
718.2.7 Fire and Smoke Protection Features, Concealed Sleeper Spaces
Where wood sleepers are used for laying wood flooring on masonry or concrete fire-resistance-rated floors, the space between the floor slab ...
Building Code 2015 of Utah > 7 Fire and Smoke Protection Features > 718 Concealed Spaces > 718.2 Fireblocking > 718.2.7 Concealed Sleeper Spaces
2304.12.1.4 Wood, Sleepers and Sills
Sleepers and sills on a concrete or masonry slab that is in direct contact with earth shall be of naturally durable or preservative-treated wood ...
Building Code 2018 of Utah > 23 Wood > 2304 General Construction Requirements > 2304.12 Protection Against Decay and Termites > 2304.12.1 Locations Requiring Waterborne Preservatives or Naturally Durable Wood > 2304.12.1.4 Sleepers and Sills
2304.12.1.4 Wood, Sleepers and Sills
Sleepers and sills on a concrete or masonry slab that is in direct contact with earth shall be of naturally durable or preservative-treated wood ...
Building Code 2015 of Utah > 23 Wood > 2304 General Construction Requirements > 2304.12 Protection Against Decay and Termites > 2304.12.1 Locations Requiring Water-Borne Preservatives or Naturally Durable Wood > 2304.12.1.4 Sleepers and Sills
Section 707 Fire and Smoke Protection Features, Concealed Spaces
Required fireblocking and draftstopping in combustible concealed spaces shall be maintained to provide continuity and integrity of the construction ...
Fire Code 2018 of Utah > 7 Fire and Smoke Protection Features > 707 Concealed Spaces
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