9.30.1. |
General |
9.30.1.1. |
Required Finished Flooring
- Finished flooring shall be provided in all residential occupancies.
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9.30.1.2. |
Water Resistance
- Where water permeable finished flooring in bathrooms, kitchens, public entrance halls and laundry areas is supported by a subfloor of a type that would be damaged by water, such flooring shall be installed over a membrane with a water permeance not exceeding 18 ng/(Pa·s·m2) when tested in accordance with ASTM E 96/E 96M, "Water Vapor Transmission of Materials." (See Note A-9.30.1.2.(1).)
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9.30.1.3. |
Sleepers
- Wood sleepers supporting finished flooring over a concrete base supported on the ground shall be not less than 19 mm by 38 mm and shall be treated with a wood preservative.
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9.30.1.4. |
Finish Quality
- Finished flooring shall have a surface that is smooth, even and free from roughness or open defects.
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