- Author
- Timber Research and Development Association
- Title
- Timber Building Elements of Proven Fire Resistance Doors: D11 and D12.
- Coporate
- Timber Research and Development Assoc., Buckinghamshire, England
- Report
- TRADA Wood Info. Sheet D11; TRADA Wood Info. Sheet D12; Section 1, October 1991, 4 p.
- Keywords
- doors | fire resistance rating | timber | standards
- Identifiers
- BS476:Part 2:1987