Collar tie: A collar tie is really a board that produces a horizontal line amongst two rafters. It could be structural but will also may possibly frame a ceiling. Base: Roofers position metal sheets at The bottom of constructions hooked up on the roof to include gaps involving them. Chimney https://ideajungle.net/how-to-choose-your-next-roofing-company-in-dekalb-il-key-factors-for-homeowners/