Ua yuam kev

Cov hom kabmob uas xav tau ib qho xwm txheej Astragal yuav tsum muaj ib qho haujlwm tsawg kawg ntawm 3 / {} inchbeyond ntawm lub qhov rooj uas theseastragal yog txuas nrog. Cov khub ntawm cov qhov rooj uas yog ina yuav tsum tau txhais tau tias ntawm egress yuav tsis yog neeg ua tswv yim uas intragal uas intragal uas txwv tsis pub siv cov nplooj dawb. Ib qho tsis sib xws yuav tsis raug siv siv cov rooj ntawm lub qhov rooj nrog Ntsug Qws tawm cov khoom siv tawm ntawm cov khoom siv. Cov khub ntawm peb teev ib txwm yuav tsum muaj Astragal rau ib NFPA80. Lwm cov khoom siv hluav taws xob ntawm cov khoom siv hluav taws xob tawm ntawm cov nplooj ntawv thiab ib qho chaw ua haujlwm ntsug tuaj yeem tso cai rau cov nplooj tsis muaj zog ntawm cov nplooj active. Qhov no ua kom pom tseeb ntawm cov khub ntawm lub qhov rooj. Qee cov chaw tsim khoom lag luam tuaj yeem muab daim ntawv lo rau ntawm Doorswith qhov qhib-rov qab tawm tsam yam tsis muaj Astragal, uas tshem tawm qhov xav tau ntawm tus tuav.