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Product Guide / Fire-Resistant Siding
James Hardie Building Products
HardiePlank Lap Siding
Model HardiePlank, 5/16 inch fiber-cement lap siding
Standard met: OSFM WUI Listed Product 8140-2026:0005 for exterior wall siding and sheathing; fiber-cement lap siding.
Spec sheetWhat Qualifies
Helps reduce wildfire risk under CWUIC Section 504.5. Not a Safer from Wildfires discount measure on its own.
Where to Get It