What is ice shield used for?
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.
What’s the most important location for an ice and water shield?
Where Should Ice and Water Protector be Applied? Most commonly, roofing professionals install ice and water protector on eaves, rake edges, overhangs and valleys, as they are most vulnerable to ice dams and wind-driven rain. As well, this may be a building code requirement in some jurisdictions.
Does my roof need ice and water shield?
As you can see, ice and water shield isn’t always necessary, though in some places, it is required by code. And in areas prone to high winds and snow, ice and water shield becomes very important for the safety of the roof deck below.
How long does ice Shield last?
The original, fully-adhered roofing underlayment, Grace Ice & Water Shield®, now has an extended exposure limit of 90 days. For more than 35 years, Grace Ice & Water Shield® has been the brand that roofing contractors and architects trust most to specify and install on marquee projects around the world.
What is the best brand of ice and water shield?
Grace Ice & Water Shield
“Grace Ice & Water Shield® has the best adhesion to the roof deck,” said one Wisconsin contractor who uses the roofing underlayment on job sites. “You will not have problems with ice damming, leaks, wind-driven rain… anything like that.”
How much should you overlap ice and water shield?
The overlapped area should be three inches. Remove the back and adhere it to the roof.
Can you use ice and water shield as flashing?
GRACE ICE & WATER SHIELD® underlayment also offers leak protection in trouble prone spots like valleys, skylights, protrusions and other flashing areas.
Do you nail down ice and water shield?
In regards to what Bergen said, it’s true. Less than 50 degrees and you need to staple your ice shield like felt. It is normally not necessary to mechanically fasten (nail down) the ice shield in plus 50 tempratures.
