Manthorpe GL251-035-PU Drop Down Lockable Loft Door - Opening 726mm x 562mm Supplied with a key lock. This product has a uValue of 0.35. Description The GL251 Lockable Drop-Down Loft Access Door is ideally suited for properties with shared accommodation to provide protection from unauthorized access to the loft space. The door has a lockable, three point closing mechanism along with a unique hinge system, allowing the door to be hinged down or be removed from the frame completely for unobstructed access into the roof space. Draught seals are located to seal between both the frame and the ceiling and the door and the frame. These prevent the problem of moist warm air entering the roof space and meet the requirements of building regulations. Product benefits Frame seals to ceiling. Key operated Cam Lock. Thermally insulated lid. Secure catches to ensure draught sealing and to prevent wind uplift. Easy-clean textured finish. Pre-formed frame and fixing screws provided. Foam compression seal for draught free fitting. A complete draught seal. Multi catch points. Properties Frame fitting size: 726mm x 562mm. Opening size: 700mm x 530mm. Insulation material: 60mm polyurethane.