Проблемы обеспечения огнестойкости противопожарных преград при прокладке инженерных коммуникаций

One of the main problems of fire-resistant technology for fills openings in fire barriers is providing of the required level of integrity between the contour of the opening and inserted into the opening fireproof construction (fire-door or fire-hatch frame, duct fire damper, etc.) is considered. Fea... View More