Download Version Download File Size 11.20 MB File Count 1 Create Date 07/08/2024 Last Updated 02/09/2024 Use of Building Boards with A1 or A2 Reaction to Fire Classifications in Flat Roofing Attached Files FileActionSPRA_LRWA_NFRC-Technical-Guidance_Building-Boards-v1.10-2022_10-Pages.pdfDownload PrevNext