THTR 1001 Chapter : 7 MATERIAL
Document Summary
White pine - lightweight, easily worked, fairly inexpensive - used for flat framing and. Douglas fir or yellow pine - heavier and cheaper than white pine - used for framing and lightweight construction. weight- bearing structures. (depth x width x length) Grades: (a, b, c, d select), (number 1 and 2 common) Dimensions of stock lumber: nominal versus actual (bh pg 122), One board foot equals 144 cubic inches of nominally sized lumber. (for example; a stick. Stick long & narrow of wood 1 x 12 x 12 ) Crown or cornice hide irregularities / where ceiling meets wall. Picture rail protects wall from picture hanging. Sheet goods: create panel that is smooth and tough; resistant to abrasion. Upson board and easy curve sheets, rods, tubes successive layer, 4"x8" sheets, interior and exterior grades, face grading or surface. Plywood: veneer layers glued together with grain direction perpendicular in each finish (front : back, example ac ply)
