Typically fire doors protecting escape routes may be required to have smoke seals to control the spread of smoke.Your risk assessment should detail which fire doors are required to have smoke brushes in addition to a standard intumescent fire door seal. Any door requiring a smoke seal will be listed with an 'S' following the rating. For example FD30s.
Located in a port city, China Dalian Golden House Door & Window Manufacture Co., Ltd. is a large-scale enterprise specialized in producing American-Standard steel fire doors and wooden fire doors. Our company produces 50000 sets of steel fire doors and 20000 sets of wooden fire doors every year. Our fire door products have passed UL Approvals AND FM Approvals and INTERTEK(WH) approval successively. Moreover, our fire door products can be sold directly to more than 20 countries over North America, Latin America, Middle East and Africa.
We respond to tendency of international fire doors market, and provide good service combining foreign clients' needs, with an aim of expanding a wider international market. In the future campaign for world market, our foreign trade elites will achieve better sale performance through unremitting efforts and dedication.
please get into the contact with servicer if need to learn more on the product price and size forcustomized service . also please contact us on alibaba
