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.
Ice and water shield entire roof cost.
One roofer said i need an ice water shield on the roof adding that he would put the shield over the asphalt shingles.
Ice and water protectors sometimes called ice and snow shields in cold climates are made with polymer modified bitumen.
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.
Cons of installing ice and water shield on your roof.
Ft 5003002 the home depot.
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.
The arguement that oh i would hate to be the next guy having to remove the ice and water shield couldn t you just remove the shingles leave the ice and water down and then put new ice and water on top of the old.
Protect your roof from harsh weather conditions by using this grace ice and water shield roll roofing underlayment.
Ice and water shield on the entire roof deck.
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.
Ice and water shield the whole roof.
The only real negatives of covering your entire roof with ice water shield are 1 cost and 2 potential ventilation problems which are very rare.
Comes in black color family.
But it costs the customer more money without adding any real value and has the potential to create long term durability problems.
Ice water shield acts as a vapor suppressor so it not only keeps the water out but also keeps the moisture in.
I am putting on a new roof and got two estimates about equal in price.