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709A.3 Decking Surfaces
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The walking surface material of decks, porches, balconies and stairs shall be constructed with one of the following materials:
- Material that complies with the performance requirements of Section 709A.4 when tested in accordance with both ASTM E2632 and ASTM E2726.
- Ignition-resistant material that complies with the performance requirements of 704A.3 when tested in accordance with ASTM E84 or UL 723.
- Material that complies with the performance requirements of both SFM Standard 12-7A-4 and SFM Standard 12-7A-5.
- Exterior fire retardant treated wood
- Noncombustible material
- Any material that complies with the performance
requirements of SFM Standard 12-7A-4A when
attached exterior wall covering is also composed of
noncombustible or ignition-resistant material.
Exception: Wall material may be of any material that otherwise complies with this chapter when the decking surface material complies with the performance requirements ASTM E84 with a Class B flame spread rating. - Any material that complies with the performance
requirements of Section 709A.5 when tested in accordance
with ASTM E2632 and when attached exterior
wall covering is also composed of only noncombustible
or ignition-resistant materials.
Exception: Wall material shall be permitted to be of any material that otherwise complies with this chapter when the decking surface material complies with the performance requirements ASTM E84 with a Class B flame spread rating.
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