Ice and water protectors sometimes called ice and snow shields in cold climates are made with polymer modified bitumen.
Imporannce of an ice guard on roofs.
We received a comment recently on our post will a metal roof make my house hotter asking this very question.
It is intended to prevent any leaking from occurring if ice or water gets beneath the shingle for any reason.
This creates a sealed joint that prevent any water that got past the shingles from sitting on the edge of the wooden sheathing or dripping behind the wooden facia board.
This can cause a significant amount of damage if you do not take the right precautions.
Our team explains that basically a roofing ice water shield is an asphalt impregnated membrane that gets applied to the roof deck and then shingled over.
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 following are 3 common uses for ice and water shield in the roofing industry.
If your attic insulation is inadequate the snow will melt collect in the gutters and re freeze.
Roofing ice guards help to protect against ice damage.
That being said it is definitely not a waterproofing system.
This is a code requirement in cold weather states.
When it begins to snow in your area the snow will accumulate on the roof.
Lets say that you live in a area that receives 4 6 inches of snowfall regularly.
Grace ice and water shield roofing underlayment a registered trademark of gcp applied technologies is the name that contractors trust the most to protect their reputations.
Strong adhesion to the roof deck.
An important component of making your roof less prone to leaks caused by ice damming is an ice and water shield.
The ice and water shield must stick firmly over the top of the drip edge on the soffit edge of the roof.
The purpose of snow guards is to hold accumulated snow on the roof until it can slowly melt.
This kind of placement ensures that the shield protects your roof against leaks and prevent ice dams from forming along the edge of your roof or gutters which are most vulnerable during the winter.
It s a good question and so we turned it into a blog post to share our answer.
Importance of ice and water shield ice and water shield is a self adhering waterproofing underlayment that is used in roofing to help prevent damage caused by ice dams and wind driven rain.
