Timloc have designed this fire-rated loft door to meet all relevant British requirements and to meet NHBC standards too for 1 hour fire-rated loft doors. Manufactured from galvanised steel with a fire-resistant panel built into the door, the white RAL 7019 polyester powder coated loft door will offer up to 60 minutes protection from fire. This loft door also boats Class O Surface Spread of Flame classification. Suitable in new build dwellings and existing residential properties, this loft door presents a clean, sleek finish thanks to its picture frame which covers the cut out where the loft door is installed. This loft door is secured and opened with a twist key mechanism. This loft door offers a 0.82 U-Value. The extended opening key needs to be bought separately. Timloc Fire Rated Steel Loft Door Specification Dimensions: 542mm x 745mm