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 Screws and Lag Screws Bolts / Timber Connectors
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

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

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

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

13. 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

14. 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