Chapter 19

Chapter 19 - Chapter 19 Product Manufactured from Wood...

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Chapter 19 Product Manufactured from Wood Group 2: Michael Simon Abraham Jones Ray Sumaya Samir Aldhurais Plywood panels are made by banding together thin layers, or plies of wood. Panels usually have an odd number of plys. Each ply maybe a single thickness veneer or two veneers glued together Plywood types commonly used in construction are veneer core, lumber core, particle board core and medium density core. Some grades of plywood are manufactured under specifications or performance testing standards of U.S. PS 1-83 Veneer Grades : The outer veneers of construction and industrial plywood have 5 groups, and these groups are: N, A, B, C, C plugged, and D. N being the best grade and D being the poorest. A: Sanded smooth, paintable. Though some neatly made manufacturer repairs are acceptable, you should have little trouble finding A-grades that are free of repairs and knots. B: s olid surface with some repairs, usually football-shaped patches and/or wood filler. May have tight knots (no chunks of wood missing) up to 1 in.
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  • Fall '19
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  • Plywood, Ray Sumaya, groups of species, Abraham Jones, Samir Aldhurais

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