Well tim there are not a lot of hard and fast rules in roofing but there are some guidelines and some little things that definitely make a better more problem free roof.
Fire and ice roofing paper.
Gaf stormguard 36 in x 66 ft.
Grace ice water shield 36 in x 75 ft 200 sq ft rubber roof underlayment.
Tim wrote in asking if he should use roofing paper on his roof in addition to ice and water shield.
Not all roofing underlayments are the same.
United roofing gator skin synthetic roof underlayment 42 in x 285 8 ft 1 000 sq ft synthetic roof underlayment.
Traditional felt paper does a very good job at stopping most leaks where water gets.
For pricing and availability.
Gcp invented fully adhered roofing underlayments more than 35 gcp invented fully adhered roofing underlayments more than 35 years ago.
This metal flashing runs a couple of inches up.
Felt or tar paper underlayment is typically installed with asphalt roof shingles.
Roofing ice and water shield may look like traditional felt paper but it s vastly different in performance.
First on the front edge of the roof overhang you should nail on a drip edge.
For premium roofing products contractors and manufacturers usually recommend using synthetic underlayment read below for more details.
Ice shield also known as ice and water shield or i w is a thick asphalt or bitumen based reinforced membrane.
Grace ice and water shield fully adhered smooth surface roofing underlayment provides best in class roof leak protection against wind driven rain and ice dams.