Koj puas tuaj yeem siv 2x4 rau lawj joists?

2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17

2x4s yeej tsis zoo rau pem teb joists ! 2x6 yog iffy thiab tej zaum yuav tsis tau raws li qhov tsawg kawg nkaus code. Kuv pom zoo nrog Marksr, uas 2x6 yuav yuav tsawg. Siv ib 4x6 es 2-2x6's rau koj beam.

Ib yam li ntawd, koj puas tuaj yeem siv 2x4 rau joists?

2x4 ua Zoo yog tias span zoo li qis dua 5 ft. Yog hais tias qhov ncua yog 4 lossis 5 feet (max.) 2x4 ua yog haum rau qab nthab joists qhov twg LL zoo li 20 Lbs. Yog koj tau txais ib hom zoo nrog qhov siab tshaj Modulus ntawm Elasticity thiab qib zoo tshaj plaws thiab siv zoo li 12 o.c. - koj tuaj yeem tau txais 8 '' ncua.

Ib sab saum toj no, kuv puas tuaj yeem siv 2x6 rau lawj joists? Nyob rau hauv dav dav, joists spaced 16 nti ntawm qhov chaw tau ncua 1.5 npaug ntawm taw lawv qhov tob hauv ntiv tes. 2x8 txog 12 ko taw; 2 x 10 mus rau 15 ko taw thiab 2 x 12 mus rau 18 ko taw. Qhov loj dua qhov lawj , qhov loj dua joists . 2x 6 zoj yuav tsum tsuas yog siv rau hauv av lawj xeeb uas tsis xav tau, thiab yuav tsis muab rau, tej guards.

Tsis tas li ntawd nug, koj tuaj yeem ncav cuag 2 x 4 qab nthab joist?

Cov qab nthab joists yog 2X4s ntawm 16 nti chaw uas ncua lub 10 plus feet.

Kuv xav tau ntau lub lawj joists?

2x10 ua joists ntawm 24-nti chaw. Qhov ntawd txhais tau tias cov no joists tuaj yeem ncav cuag qhov tob ntawm 12 ko taw lawj , thiab cov nqaj tuaj yeem nyob ntawm thaj tsam. Cuaj joists yuav yog xav tau rau qhov dav 16-foot. (Kuv nyiam muab ob npaug rau sab nraud joists , ua ua qee yam lawj builders, uas ntxiv 2 joists , rau tag nrho ntawm 11.