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  • WIS 1-32 Upgrading timber doorsets for fire resistance

  • TRADA Technology Ltd
  • April 2017
  • WIS 1- 32
  • Wood Information Sheet, PDF
  • 6
  • Free of charge
  • £12.00 (zero VAT)
(WOOD INFORMATION SHEET)
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(PDF ~ 178 kb)
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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 common requirement in heritage buildings. Conservators look for solutions with minimal impact on the appearance and function of existing doors.

The requirements for fire doors are quite complex, therefore it is recommended to read TRADA's WIS Performance of fire-resisting timber doorsets which explains the principles.

Contents:

•Strategy to upgrade for fire resistance
•Suitability of existing doors for upgrading
•Methods of upgrading
•Identifying upgraded fire doors

This Wood Information Sheet was reviewed in April 2017 and minor corrections were made to the references section.
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.
...more