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Building Materials

Building Materials. Trees. Softwoods (pine) - Framing Hardwoods (Oak, Walnut, Cherry, Mahogany) - Decorative finishing / furniture. Lumber. Sawing Plainsawing Quartersawing. Seasoning. 19% less is considered seasoned Wood is hygroscopic (cannot hold less than 13%)

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Building Materials

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  1. Building Materials

  2. Trees • Softwoods (pine) - Framing • Hardwoods (Oak, Walnut, Cherry, Mahogany) - Decorative finishing / furniture

  3. Lumber • Sawing • Plainsawing • Quartersawing

  4. Seasoning • 19% less is considered seasoned • Wood is hygroscopic (cannot hold less than 13%) • Air Drying vs. Kiln Drying

  5. Surfacing • S2S vs. S4S

  6. Chemical Treatment • Pressure Impregnation • Moisture and Insect Resistance

  7. Wood Fasteners • Nails • Common used for framing and sheeting • 8d sheeting • 16d framing • Box – toe nailing and light work • Casing – door and window frames • Finish • Brad • Screws and Lag Screws • Bolts / Timber Connectors • Toothed Plates • Sheet Metal and Metal Plate Framing Devices • Adhesives

  8. Toothed Plates

  9. Wood Products • Dimensional Lumber • Wood Panel Products • Plywood • Composite • Nonveneered • OSB • Fiberboard & Particleboard

  10. Structural lumber for trusses, joists, & beams • Laminated Veneer Lumber (LVL) • Parallel Strand Lumber (PSL)

  11. Plywood / OSB (oriented strand board) 4’ x 8’ (4 x 9’) Thickness – 1/8” to 1-1/2”

  12. Lumber Dimensions • Actual vs. Nominal 2x4 = 1-1/2 x 3-1/2 2x8 = 1-1/2 x 7-1/4 2x6 = 1-1/2 x 5-1/2 2x10 = 1-1/2 x 9-1/4

  13. Sizes of building materials designed for ease of assembly 4” walls 6” walls Header Construction 16” stud/joist/truss spacing 24” stud/joist/truss spacing

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