This Wood Information Sheet gives guidance on assessing the suitability of existing doors for upgrading to give a 20 or 30 minutes' fire resistance comparable with that of purpose-made fire doors. Upgrading to 60 minutes' performance will rarely be possible.
Upgrading the fire resistance of existing doors is a...
An update of British, European and International Standards relating to timber, including new and revised Standards, those withdrawn or amended and drafts now available for public comment, updated bimonthly.
This Wood Information Sheet (WIS), intended for designers, specifiers and manufacturers, covers the behaviour of wood-based panel products such as plywood, particleboard and fibreboards, in addition to timber.
Smoke production is also considered.
This Wood Information Sheet applies to the United Kingdom and other jurisdictions where British practice...