It is much too expensive.
LEAD
Sand is used on roofing shingles to keep the individual shingles from sticking to each other during storage.
Because it is flexible and easy to nail through.
Silicone stays flexible where as standard roofing tar hardens and cracks over time.
Because they can last over 300 years If installed properly
gold never wears out so why is it not used for roofing
No, gypsum is not used in roofing or paint products
Thick asphalt-impregnated paper used for roofing.
i don't understand exactly what you are asking but.....a form of concrete is used for decks in roofing.
Black Knight roofing tar .
No. Slate is used as a roofing tile.
slate
New trend of roofing sheets.
LEAD
About 1.03
Yes...carlisle roofing company makes their own.
The best way to find the best roofing companies is from past customers. Ask some of your friends and neighbors what roofing customers that they used.