SPRI Announces Updated Wind Design Standard, January-2020-SPRI-announces-updated-RP-4-standard_2.pdf (92 KiB) - SPRI, the association representing sheet membrane and component suppliers to the commercial roofing industry, announced that ANSI/SPRI RP-4 “Wind Design...
September 2019 SPRI Releases Retrofit Drain Standard And Plans To Canvass ANSI IA-1, September-2019-SPRI-Releases-Retrofit-Drain-Standard-and-Plans-to-Canvass-ANSI-IA-1.pdf (82...
