Should a roofing system drip side be placed over or below roof really felt?
https://annilasux1.wixsite.com/emilianoyomb671/post/will-a-metal-roofing-make-my-home-hotter
A lot of makers utilize the exact same products of asphalt roof shingles to make rolled roof covering that includes felt, tar and asphalt. Roll roof covering is made from the exact same asphalt make-up material