- 17 sqft re-roof for existing sfd if a re-roof project is proposed, the following specifications apply. Existing roofing material built up torchdown proposed roofing material tpo single ply roofing mebrane- class a fire rated manufacturer firestone building products brand and model ultra ply tpo- iccr esr 2831 color (if cool roof required) number per attached listing report (if applicable) built-up roofing assembly systemsa while- crrc product # 0608-033 specific exemption from cool roof requirements (if applicable) n/a required building inspector field verification (if applicable) yes, complete re-roof note self-certification by a licensed contractor is acceptable if a signed letter on company letterhead is provided to the building inspector.

Hra- 17 sqft re-roof for existing sfd if a re-roof project is proposed, the following specifications apply. Existing roofing material: built up torchdown proposed roofing material: tpo single ply roofing mebrane- class a fire rated manufacturer: firestone building products brand and model: ultra ply tpo- iccr esr 2831 color (if cool roof required): number per attached listing report (if applicable): built-up roofing assembly systemsa while- crrc product # 0608-033 specific exemption from cool roof requirements (if applicable): n a required building inspector field verification (if applicable): yes, complete re-roof note: self-certification by a licensed contractor is acceptable if a signed letter on company letterhead is provided to the building inspector.