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R504.2.2 Moisture Barrier

Los Angeles Residential Code > 5 Floors > R504 Pressure Preservative-Treated Wood Floors (On Ground) > R504.2 Site Preparation > R504.2.2 Moisture Barrier
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Polyethylene sheeting of minimum 6-mil (0.15 mm) thickness shall be placed over the granular base. Joints shall be lapped 6 inches (152 mm) and left unsealed. The polyethylene membrane shall be placed over the pressure preservative treated-wood sleepers and shall not extend beneath the footing plates of the exterior walls.
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Related Code Sections


R504.2.2 Floors, Moisture Barrier
Polyethylene sheeting of minimum 6-mil (0.15 mm) thickness shall be placed over the granular base. Joints shall be lapped 6 inches (152 mm) and left ...
Los Angeles Residential Code > 5 Floors > R504 Pressure Preservative-Treated Wood Floors (On Ground) > R504.2 Site Preparation > R504.2.2 Moisture Barrier
R406.3.2 Foundations, Below-Grade Moisture Barrier
A 6-mil-thick (0.15 mm) polyethylene film shall be applied over the below-grade portion of exterior foundation walls prior to backfilling. Joints ...
Los Angeles Residential Code > 4 Foundations > R406 Foundation Waterproofing and Dampproofing > R406.3 Dampproofing for Wood Foundations > R406.3.2 Below-Grade Moisture Barrier
2304.12.2.5 Wood, Supporting Members for Permeable Floors and Roofs
be of naturally durable or preservative-treated wood unless separated from such floors or roofs by an impervious moisture barrier. [BSC, DSA-SS, DSA-SS ...
Los Angeles Building Code > 23 Wood > 2304 General Construction Requirements > 2304.12 Protection Against Decay and Termites > 2304.12.2 Other Locations > 2304.12.2.5 Supporting Members for Permeable Floors and Roofs
106.2.6 Scope and Administration, Exterior Balconies and Elevated Walking Surfaces
or blowing rain, snow, or irrigation, and the structural framing is protected by an impervious moisture barrier, the construction documents shall ...
Los Angeles Existing Building Code > 1 Scope and Administration > 106 Construction Documents > 106.2 Construction Documents > 106.2.6 Exterior Balconies and Elevated Walking Surfaces
109.3.7.1 Scope and Administration, Weather Exposed Balcony and Walking Surface Waterproofing
or blowing rain, snow, or irrigation, and the structural framing is protected by an impervious moisture barrier, all elements of the impervious moisture ...
Los Angeles Existing Building Code > 1 Scope and Administration > 109 Inspections > 109.3 Required Inspections > 109.3.7 Other Inspections > 109.3.7.1 Weather Exposed Balcony and Walking Surface Waterproofing
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