Kev Lag Luam Hlau Hluav Taws Kub Qhov Rooj Rau Koj Qhov Rooj Haujlwm

Kev Lag Luam Hlau Hluav Taws Kub Qhov rooj Hluav Taws Kub tau pom qhov zoo tshaj qhov muaj nuj nqis hauv qhov chaw kev lag luam. Feem ntau cov lub qhov rooj hlau tawm sab nraud lawv cov ntoo tso tawm los ntawm ntau tshaj 10 xyoo, tau zoo dua insulated, thiab ntev dua li cov ntoo ntoo lossis lub qhov rooj fiberglass. Cov qhov rooj no feem ntau yog siv rau ntawm lub tsev ua lag luam, thiab nyob rau hluav taws xob qhib kev siv hluav taws xob thaum lawv pheej yig, thiab tuaj yeem siv cov kev ntsuas kom ntev txog 3 teev.

Peb cov lag luam hlau hluav taws yog qhov tsim kev siv hollow hlau plhaub uas tau rov ua dua tshiab thiab muaj rwb thaiv tsev. Peb lub qhov rooj yog ib yam li kev sim los ntawm Underwriters Chaw soj ntsuam (ul) thiab siv cov khoom siv los ntawm SDI thiab FMPATED ua haujlwm thiab kev npaj kho vajtse tau yoog raws li cov qauv AFSI.