23 Jun 2026

GN81 Flat roof refurbishment Building Regulations - a clients gide

Flat roof overlays constitute building work and should be assessed against the relevant Building Regulations requirements applicable in the jurisdiction where the work is carried out.

RESTRICTED CONTENT

You must either be an NFRC Member or have purchased this document in order to view it.

Please login for Member access.

Please purchase NFRC technical documents in the shop.

NB BSI standards may only be purchased through the BSI website.

If you are interested in being able to view more content like this, why not consider NFRC membership? Use the link to find out more.