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.
Gcp invented fully adhered roofing underlayments more than 35 gcp invented fully adhered roofing underlayments more than 35 years ago.
United roofing gator skin synthetic roof underlayment 42 in x 285 8 ft 1 000 sq ft synthetic roof underlayment.
Tim wrote in asking if he should use roofing paper on his roof in addition to ice and water shield.
Ice shield also known as ice and water shield or i w is a thick asphalt or bitumen based reinforced membrane.
Traditional felt paper does a very good job at stopping most leaks where water gets.
If you have a roof that you know to be older than 1980 it won t have this great product under the shingles.
Grace ice water shield 36 in x 75 ft 200 sq ft rubber roof underlayment.
For pricing and availability.
Felt or tar paper underlayment is typically installed with asphalt roof shingles.
For premium roofing products contractors and manufacturers usually recommend using synthetic underlayment read below for more details.
The ice and water shield is an amazing roofing product that was first introduced in the 1980s.
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.
This metal flashing runs a couple of inches up.
For pricing and availability.
Not all roofing underlayments are the same.