The roofer laps the material up onto the object and cuts it at corners or curves in a special way to create a leak proof barrier.
How to install ice and water shield on roof.
Ice water shield is a thick sticky back underlayment also known as felt paper that will adhere to your roof deck and prevent water from seeping into your home if it gets under your shingles.
Ice and water shield is perfect to use around skylights chimneys plumbing vents ventilation caps or anything that penetrates up through a roof.
The guy also talks about how the ice water shield seals itself around roofing nails which helps to distinguish it from a traditional underlayment product e g.
Tar paper roofing felt thermoplastic polyolefin etc or cheaper.
The video shows you exactly what ice water shield looks like and where it s installed.
Ice and water protectors sometimes called ice and snow shields in cold climates are made with polymer modified bitumen.
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.