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Discussion Starter · #1 ·
Does the use of an ice and water shield type membrane preclude flashing vallies, dormers, etc.? It seems to me that these membranes should be treated as a 'super' felt, i.e., you would still flash if using 30#, so one would flash with the membranes.

A neighbor just had a new roof installed with some use of an ice and water shield membrane. Where ever the membrane was used, absolutely no flashing was used. The folks doing our roof will be using both. Is one a preferred method?

Obie
 

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Grumpy, I am watching two restaurants being roofed and they are doing almost the same thing only all Grace. These are metal roofs and being done by different companies.
BTW Grace sticks really well! On one of the roofs they had just put down the Grace and it went through two hurricanes unscathed. There's a recommendation for you.
 
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