Fire Rating
Although it is not often a requirement Radiation Shielded windows can be manufactured and fire rated.
- NFR – Non fire rated
- FD30 – 30 minutes fire rated
- FD60 – 60 minutes fire rated

Timber framed observation window
Fire rated window assemblies are manufactured using tested components to meet the requirements of BS476 and can incorporate up to 3.15mm lead (Code 7).
Please contact us to discuss your fire rating requirements for observation windows.
+44 (0) 1525 374 374
sales@envirotectltd.co.uk