WOOD: (60 Min) 4. Materials made of wood come in a variety of species, grades, and All wooden members must be carefully selected to serve their intended purpose when designing a structure. a. The particular species of wood dictates its intended use in the construction of a structure. INSTRUCTORS NOTE: Use wood species in outline to clarify. WOOD SPECIES AND USES TYPE USES CHARACTERISTICS Cabinet work, interior Hard, durable, fine grain, finishes, plywood heavy, stiff, strong, works BIRCH easily, but is not durable when exposed to the elements. Building construction of Excellent structural lumber, structural members requiring strong, easy to work, clear DOUGLAS higher strengths. straight grained, soft but FIR brittle. Best structural timber. Furniture, decks, interior Most useful for cabinet work, trim. hard, durable, but checks, MAHOGANY swells, shrinks, and warps slightly. Interior finish, cabinets, Tends to warp, coarse grain, millwork does not last well when RED OAK exposed to weather, Heavy, tough, and strong. Furniture, cabinets, Fine cabinet wood, coarse interior woodwork grained but takes finish well, WALNUT medium weight, hard, strong, easily worked but brittle. Does not warp or check. Shingles, siding, posts, Soft, light weight, close poles grained, very durable when WHITE exposed to water, not strong CEDAR enough for building construction, generally knotty. Framing for buildings, Heavy, hard, strong, medium furniture, fence posts. coarse grain, tough, dense, WHITE most durable of all hardwoods. OAK Easy to work, but shrinks, and checks. Interior trim, cabinets, Easy to work, fine grain, free millwork of knots, durable when exposed WHITE to water expands when wet, PINE shrinks when dry. Soft, does not split when nailed.
4. WOOD: (60 Min) Materials made of wood come in a variety of species, grades, and All wooden members must be carefully selected to serve their intended purpose when designing a structure. a. The particular species of wood dictates its intended use in the construction of a structure. INSTRUCTORS NOTE: Use wood species in outline to clarify. WOOD SPECIES AND USES TYPE USES CHARACTERISTICS BIRCH Cabinet work, interior finishes, plywood Hard, durable, fine grain, heavy, stiff, strong, works easily, but is not durable when exposed to the elements. DOUGLAS FIR Building construction of structural members requiring higher strengths. Excellent structural lumber, strong, easy to work, clear straight grained, soft but brittle. Best structural timber. MAHOGANY Furniture, decks, interior trim. Most useful for cabinet work, hard, durable, but checks, swells, shrinks, and warps slightly. RED OAK Interior finish, cabinets, millwork Tends to warp, coarse grain, does not last well when exposed to weather, Heavy, tough, and strong. WALNUT Furniture, cabinets, interior woodwork Fine cabinet wood, coarse grained but takes finish well, medium weight, hard, strong, easily worked but brittle. Does not warp or check. WHITE CEDAR Shingles, siding, posts, poles Soft, light weight, close grained, very durable when exposed to water, not strong enough for building construction, generally knotty. WHITE OAK Framing for buildings, furniture, fence posts. Heavy, hard, strong, medium coarse grain, tough, dense, most durable of all hardwoods. Easy to work, but shrinks, and checks. WHITE PINE Interior trim, cabinets, millwork Easy to work, fine grain, free of knots, durable when exposed to water expands when wet, shrinks when dry. Soft, does not split when nailed.
COMPLETED%20DESIGN%20VERTICAL%20CONSTRUCTION%20INSTR%20LP.docx