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California · OSFM Building Materials Listing
Exact entries from the official September 2, 2025 handbook. This is an edition-scoped source index, not a claim of current live status.
Official handbook entries
Source checked Aug 31, 2026, 10:07 PM UTC
| Listing | Listee | Category | Source page | Open |
|---|---|---|---|---|
| 8140-2041:0001 | American Wood Council | 8140 · Exterior Wall Siding and Sheathing | PDF page 29 | Open |
| 8140-2041:0003 | American Wood Council | 8140 · Exterior Wall Siding and Sheathing | PDF page 30 | Open |
| 8140-2041:0004 | American Wood Council | 8140 · Exterior Wall Siding and Sheathing | PDF page 30 | Open |
| 8140-2041:0005 | American Wood Council | 8140 · Exterior Wall Siding and Sheathing | PDF page 31 | Open |
| 8140-2041:0008 | American Wood Council | 8140 · Exterior Wall Siding and Sheathing | PDF page 32 | Open |
| 8140-2045:0504 | FIBER COMPOSITES, LLC | 8140 · Exterior Wall Siding and Sheathing | PDF page 32 | Open |
| 8140-2064:0100 | Nusku Partners LLC | 8140 · Exterior Wall Siding and Sheathing | PDF page 33 | Open |
| 8140-2064:0101 | Nusku Partners LLC | 8140 · Exterior Wall Siding and Sheathing | PDF page 33 | Open |
| 8140-2064:0102 | Nusku Partners LLC | 8140 · Exterior Wall Siding and Sheathing | PDF page 33 | Open |
| 8140-2064:0501 | Nusku Partners LLC | 8140 · Exterior Wall Siding and Sheathing | PDF page 34 | Open |
| 8140-2064:0503 | Nusku Partners LLC | 8140 · Exterior Wall Siding and Sheathing | PDF page 34 | Open |
| 8140-2070:0001 | PLY GEM SIDING GROUP | 8140 · Exterior Wall Siding and Sheathing | PDF page 34 | Open |
| 8140-2070:0004 | PLY GEM SIDING GROUP | 8140 · Exterior Wall Siding and Sheathing | PDF page 35 | Open |
| 8140-2070:0005 | PLY GEM SIDING GROUP | 8140 · Exterior Wall Siding and Sheathing | PDF page 35 | Open |
| 8140-2084:0001 | WESTERN WOODS INC | 8140 · Exterior Wall Siding and Sheathing | PDF page 35 | Open |
| 8140-2084:0003 | WESTERN WOODS INC | 8140 · Exterior Wall Siding and Sheathing | PDF page 36 | Open |
| 8140-2084:0004 | WESTERN WOODS INC | 8140 · Exterior Wall Siding and Sheathing | PDF page 37 | Open |
| 8140-2084:0005 | WESTERN WOODS INC | 8140 · Exterior Wall Siding and Sheathing | PDF page 37 | Open |
| 8140-2084:0006 | WESTERN WOODS INC | 8140 · Exterior Wall Siding and Sheathing | PDF page 38 | Open |
| 8140-2091:0100 | SIERRA PACIFIC INDUSTRIES | 8140 · Exterior Wall Siding and Sheathing | PDF page 38 | Open |
| 8140-2091:0102 | SIERRA PACIFIC INDUSTRIES | 8140 · Exterior Wall Siding and Sheathing | PDF page 39 | Open |
| 8140-2091:0103 | SIERRA PACIFIC INDUSTRIES | 8140 · Exterior Wall Siding and Sheathing | PDF page 40 | Open |
| 8140-2091:0104 | SIERRA PACIFIC INDUSTRIES | 8140 · Exterior Wall Siding and Sheathing | PDF page 40 | Open |
| 8140-2094:0100 | Unity Forest Products, Inc | 8140 · Exterior Wall Siding and Sheathing | PDF page 41 | Open |
| 8140-2094:0101 | Unity Forest Products, Inc | 8140 · Exterior Wall Siding and Sheathing | PDF page 42 | Open |
| 8140-2094:0102 | Unity Forest Products, Inc | 8140 · Exterior Wall Siding and Sheathing | PDF page 42 | Open |
| 8140-2094:0104 | Unity Forest Products, Inc | 8140 · Exterior Wall Siding and Sheathing | PDF page 43 | Open |
| 8140-2094:0105 | Unity Forest Products, Inc | 8140 · Exterior Wall Siding and Sheathing | PDF page 44 | Open |
| 8140-2126:0100 | Blocks and Cutstock | 8140 · Exterior Wall Siding and Sheathing | PDF page 44 | Open |
| 8140-2126:0500 | Blocks and Cutstock | 8140 · Exterior Wall Siding and Sheathing | PDF page 45 | Open |
Filtered URLs are The official PDF remains the authority and opens on the CAL FIRE website.
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