Fakro fire-resistant attic ladder LSF-300 folding

Fireproof LSF stairs can serve as a barrier to the spread of fire and smoke during a fire, limiting the movement of fire to floors where the fire has not yet spread. The stairs comply with the fire resistance class El2=60min and are intended for installation in spaces where fireproof stairs are required according to fire safety regulations. By adding additional steps LSS to the stairs, they can be used in spaces with a maximum height of up to 320 cm.

maximum weight 200 kg; thermal transmittance coefficient U for stairs 1.8 W/m²K; fire resistance class El2: 60 minutes; thickness of the thermal insulation layer 3 cm; thickness of the hatch cover 5.4 cm;