Standard SPF (spruce-pine-fir) lumber – Softwood ntoo xaiv: Lub teeb structural lumber feem ntau yog siv nyob rau hauv kev tsim kho vaj tse ntawm ib tsev neeg lub tsev. Cov ntoo no yog milled los ntawm cov ntoo softwood (spruce, fir thiab ntoo thuv) uas yog sawn thiab tshuab-plaws rau tus qauv qhov ntev (2x4", 2x6", 2x8", thiab lwm yam).
Yuav siv ntoo twg ntau tshaj rau kev tsim vaj tsev?
Hardwoods feem ntau yog siv rau hauv kev tsim cov phab ntsa, qab nthab thiab cov plag tsev, thaum cov ntoo mos feem ntau siv los ua qhov rooj, rooj tog zaum thiab qhov rais thav duab. Qee qhov piv txwv ntawm cov ntoo uas nrov tshaj plaws suav nrog ntoo qhib, maple, mahogany, cherry, walnut, thiab teak.
Yuav ntoo twg zoo tshaj rau tsev ntoo?
Oak . Oak yog ib tsob ntoo uas muaj zog thiab tawv tshaj plaws. Nws cov yam ntxwv tawv ua rau nws zoo tagnrho rau cov qauv ntawm cov tsev thiab nws yog qhov nyiam rau cov neeg tsim khoom. Cov ntoo no yog qhov zoo, tiv taus cov dej noo, thiab muaj qhov tshwj xeeb zoo li ntxiv cov cim rau hauv tsev.
Yuav ua li cas ntoo yog siv ntoo?
Cov ntoo tiav yog muab rau hauv qhov ntau thiab tsawg, feem ntau rau kev tsim kho kev lag luam - feem ntau softwood, los ntawm hom coniferous, suav nrog ntoo thuv, fir thiab spruce (collectively spruce-pine-fir), cedar, thiab hemlock, tab sis kuj qee cov ntoo tawv, rau qib siab hauv pem teb.
Yuav siv cov ntoo li cas los ua lub tsev?
Nyobob qho khoom siv ntoo uas siv los siv niaj hnub no yog LVL kab teeb thiab I-joists. Laminated veneer lumber (LVL) yog qhov nws suab zoo li: ntoo veneers (feem ntau poplar, ntoo thuv, los yog fir) laminated ua ke nyob rau hauv tshav kub thiab siab nrog ib tug noo-resistant resin.
