fire retardant timber door na may 4″hinge,30 minutong fire rated wood door,prehung black internal wood formica fire door

Ang mga kahoy na pintuan ng apoy ay gawa sa espesyal na kahoy. Ang kapal ng frame ng pinto at ang koneksyon ng fan ng pinto ay may mahigpit na mga kinakailangan. Kahit na sa mga lugar na mahalumigmig, gagamit din ng water-resistant phenolic resin glue ang mga wooden fire door para makamit ang waterproof at moisture-proof na epekto.

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