Plastic insulated loft access doors provide simple, easy access through a ceiling into the loft space. Colour: White. Material: Plastic. Pack Dimensions L x W x H mm: 682 x 682 x 84. Pack Weight kg: 4.500. Product Code: LOC1169. Size mm: 562 x 662. This is a high performance loft access door with fire protection, designed to fit between trussed rafters and ceiling joists. Features an integral anti-draught, vapour and condensation migration seal with a choice of insulation U value performances. The downward opening hinge mechanism incorporates secure twist operated catch assembly to use with telescopic loft ladders. Meets the requirements of Part L’s air leakage requirements and BS 5250:2011.