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Engineering Specifications

3' X 5' X 6MM Magnum® Underlayment
9MM SB Horizontal Siding 9mm Thick  x 12 Long x 9.5 and 10.5 Wide
12MM SB  Magnum® 111 Vertical Siding Engineering Specifications
18mm SB Structural Roofing and Flooring Substrate
3' X 5' X 12MM Magnum® Backer Board
12MM SB Magnum® One Hour Fire Wall Sheathing
16MM SB Magnum® Two Hour Fire Wall Sheathing
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