LSF is a fire-resistant ladder which allows an easy and safe access to the attic, and at the same time serving as a fire block during a fire inside of the building. The inner part of the frame is equipped with a gasket, which under the influence of high temperature expands and prevents the smoke from entering the higher floors.
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The DWF fire-rated L-shaped combination door provides access to otherwise unused spaces under closed off stairwells and crawl spaces. It is fi re resistant from both sides at 145 minutes as per EN13501). The white, 2½ inch thick sash is thermally insulated providing an excellent barrier that reduces heat loss (R-value 8.9*). The doors can be installed in two versions of opening (right or left). Includes natural pine-coloured trim.
* manufacturer’s internal calculations