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Title: Section 707  •  Size: 4140

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SECTION 707 - INSULATION

707.1 General. Thermal and acoustical insulation located on or within floor-ceiling and roof-ceiling assemblies, crawl spaces, walls, partitions and insulation on pipes and tubing shall comply with this section. Duct insulation and insulation in plenums shall conform to the requirements of the Mechanical Code.

EXCEPTION: Roof insulation shall comply with Section 1510.

707.2 Insulation and Covering on Pipe and Tubing. Insulation and covering on pipe and tubing shall have a flame-spread rating not to exceed 25 and a smoke density not to exceed 450 when tested in accordance with U.B.C. Standard 8-1.

EXCEPTION: Foam plastic insulation shall comply with Section 2602.

707.3 Insulation. All insulation materials, including facings, such as vapor barriers or breather papers installed within floor-ceiling assemblies, roof-ceiling assemblies, walls, crawl spaces or attics, shall have a flame-spread rating not to exceed 25 and a smoke density not to exceed 450 when tested in accordance with U.B.C. Standard 8-1.

EXCEPTIONS: 1. Foam plastic insulation shall comply with Section 2602.

2. When such materials are installed in concealed spaces of Types III, IV and V construction, the flame-spread and smoke-developed limitations do not apply to facings, provided that the facing is installed in substantial contact with the unexposed surface of the ceiling, floor or wall finish.

3. This section shall not apply to cellulose insulation regulated by the Consumer Product Safety Commission as provided in CPSC 16 CFR, Parts 1209 and 1404.

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