Ice and water protectors sometimes called ice and snow shields in cold climates are made with polymer modified bitumen.
Pulling off ice shield from roof.
Interestingly enough i have never tripped a roof with i w shield.
With that said i m pulling back a portion of my roof to tie a new roof into.
If there is one layer of shingles on now it must come off.
Have the roofer who suggested the ice and water shield put it on bare wood.
Starting at the rake edge of the roof align the ice and water barrier with the chalk line.
Tear off the roof deck.
Then pull off the shingles with your hands carry them across the roof to the trash container location and throw them in.
Open to any and all suggestions thanks.
I think if it is going to be tough i would be sure any damaged lifted edges i would cut off or flatted out and then go right over it i see no reason you couldn t unless you suspect some damage beneath it.
Other roofing contractors also use a multi tool to separate shingles from ice shield but that is tedious process.
The other roofer was.
Then add shingles on top of it.
This can be a lot of work especially if there are valleys involved see below.
I was buzzing right along from the top down then i hit the iws.
It runs up the roof about 60 from the edge.
Most manufacturers specify at least a 4 12 roof pitch for installing them meaning for every foot the rafters extend out from the ridge beam they drop down 4 inches.
When there is a large area of shingles that need to be removed the best option may be to tear everything off including the roof deck.
If i m using asphalt shingles i always protect the sheathing with ice and water shield first pulling it onto the fascia and rake boards and cover it with trim.
Ice and water protector sometimes also referred to as ice and water shield is a waterproof roof underlayment membrane developed to protect vulnerable areas on a roof from ice and water damage.
Ice and water shield is a great product that can be used in spots to protect the most vulnerable areas of your roof or as a whole roof underlayment to protect from ice dams water dams storms and leaking in any area of the country and any weather.
Tack it at the top with staples every few feet to hold it in place.
I would suspect that it could be tough to pull up.