Choose the rectangular version of Manthorpe's innovative fire-rated drop-down door for reliable safety and modern aesthetics. Perfect for creating loft access in properties where fire safety is of paramount importance, the one-hour fire rating of this loft access door has been externally verified by Chiltern International Fire Ltd. for guaranteed peace of mind. Each door is developed with mineral wool insulation that offers a uValue of 0.35 W/mK and comes with a budget lock and T key as standard. This fire-rated access door has met the British Standards' recommendation for a leakage rate of