Commodity Education

Por qué importa para los materiales

Wood dominates low-rise residential construction wherever it grows, because it is strong enough for the spans involved, light enough to be carried by two people and cuttable with hand tools on site. The demand is cyclical and interest-rate sensitive, and sawmill capacity cannot be added inside one cycle - which is the whole explanation for how violently lumber prices move.

Escala. A typical North American detached house contains roughly 15 to 20 thousand board feet of framing lumber plus several thousand square feet of structural panel, which is why lumber prices track housing starts more closely than any other indicator.

De qué está compuesto

Todos los materiales →

Material	Lo que hace aquí	Importancia
Douglas Fir	Beams and long spans where stiffness governs	Definición de
Industrial Roundwood	The logs all of the above are cut from	Definición de
Oriented Strand Board	Wall and roof sheathing and subfloor	Definición de
Plywood	Structural sheathing, subfloor and formwork	Definición de
Softwood Lumber	Framing: studs, joists, rafters and plates	Definición de
Southern Yellow Pine	Framing and all treated ground-contact timber	Definición de
Spruce-Pine-Fir (SPF)	The northern framing commodity	Definición de
Hem-Fir	Framing and millwork	Importante
Mass Timber	Floor slabs and frames in mid-rise buildings	Importante
Western Red Cedar	Siding, shingles and exterior joinery	Importante
Wood-Based Panels	Interior linings, cabinetry and joinery	Importante