Fire escape ladders can be used with double glazed windows as long as the window can be safely broken by hitting the corner with an emergency escape hammer to allow the ladder to be deployed.
Please note: we recommend that you lay a coat or similar item over the shards of glass before deploying the ladder.
(doc:538 V1.0). Our articles are reviewed regularly. However, any changes made to standards or legislation following the review date will not have been considered. Please note that we provide abridged, easy-to-understand guidance. To make detailed decisions about your fire safety provisions, you might require further advice or need to consult the full standards and legislation.