Exposure-1 Rated OSB Sheathing
Oriented strand board rated Exposure-1 for limited water exposure during construction, sanded surface, typically 7/16-inch for sheathing. HTS 4410.12.0010 covers this sanded wood OSB bound with resins, suitable for siding and structural panels. Wax overlay provides temporary protection.
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Import Tips & Compliance
• Document Exposure-1 rating with test data showing ≤10% thickness swell after water exposure
• Ensure resin type (PF or UF) declared for TSCA compliance
• Label panels clearly with grade stamps visible for customs inspection
Related Products under HTS 4410.12.00.10
7/16-inch Oriented Strand Board (OSB) Sheathing
This is structural oriented strand board measuring 7/16 inch thick, sanded on one side, used primarily for wall sheathing and roof underlayment in residential construction. It falls under HTS 4410.12.0010 as OSB of wood that is unworked or only sanded, with strands oriented in specific layers and bound with resins. Meets standards for exposure durability in construction applications.
23/32-inch OSB Roof Sheathing Panels
Oriented strand board panels at 23/32 inch thickness, sanded surface, designed specifically for roof decking with enhanced span ratings. Classified under HTS 4410.12.0010 as unworked or sanded OSB made from wood flakes agglomerated with resins. Provides structural support and weather resistance during construction.
5/8-inch OSB Subfloor Panels
Sanded 5/8-inch thick oriented strand board panels rated for subflooring applications, with tongue-and-groove edges for seamless installation. HTS 4410.12.0010 applies to this wood-based OSB not further worked than sanded, bound by organic resins. Ideal for single or double layer flooring in homes.
19/32-inch OSB Wall Sheathing
19/32-inch oriented strand board specifically for exterior wall sheathing, sanded finish, with square edges and high strength-to-weight ratio. Falls under HTS 4410.12.0010 as sanded OSB of wood, agglomerated with binding substances. Provides bracing and racking resistance in framing.
APA Rated Sturd-I-Floor OSB Panels
APA trademarked Sturd-I-Floor OSB panels, sanded, 23/32-inch thick with tongue-and-groove edges for combination subfloor/underlayment. Classified in HTS 4410.12.0010 as oriented strand board of wood, unworked beyond sanding despite edge profiling. Meets stringent performance standards for joist spacing.
Structural 1 OSB Panels 4x8 Feet
Structural 1 grade OSB panels in standard 4x8 foot size, sanded, for high-load bearing applications like flooring and roofing. Fits HTS 4410.12.0010 as unworked/sanded oriented strand board of wood with cross-oriented strands. Higher quality control than Structural 2 grade.