Fire doors can prevent the spread of fire within a certain period of time, and ensure that evacuation of people can buy time for escape and fire fighting. Fire doors are divided into normally open fire doors and normally closed fire doors. Normally open fire doors are kept open at ordinary times and are used for passing.

fire rated door weight,произвођачи врата отпорних на ватру у Мумбаију,fire rated door trim,fireproof door price,

Произвођач врата отпорних на ватру, врата отпорна на ватру за дом, врата отпорна на ватру,fire rated door weight,метална сигурносна врата, стандарди за врата отпорна на ватру, врата отпорна на ватру,fire rated door trim,браве за врата отпорне на ватру,fireproof door price,

отпоран на ватру, боја за врата,fireproof door price,ватроотпорна врата Малезија, метална врата