Is ice and water shield worth it?

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 can GAF ice and water shield be exposed?

Typically 90 or 180 days, depending on the product. This “rating” refers to standardized testing conducted by GAF to ensure the product will not physically degrade when exposed to UV. It is NOT related to its ability to withstand water, snow, or wind. These products are NOT WATERPROOF .

Where should ice and water shield be installed?

Where Is Ice & Water Shield Needed?

  1. On the eaves of your home up to 24″ inside the exterior wall (this usually means at least 2 rows or 6 feet)
  2. In every valley (1 row or 3 feet)
  3. Around every pipe before the flashing is installed.
  4. Along every wall, chimney, or skylight where flashing will be installed.

How much does ice and water shield cost?

Granular or sand ice and water shield starts at $50.00 per row of material, 3 feet by 33 feet. Smooth ice and water shield costs around $100.00 per square (100 square feet of roof area) to go under a low slope roof. High heat ice and water shield will be a little more expensive and costs around $125.00 per square.

Can ice and water shield be exposed to sunlight?

GCP’s underlayments (GRACE ICE & WATER SHIELD®, GRACE ICE & WATER SHIELD® HT, GRACE ULTRA™, GRACE SELLECT™, GCP granular underlayment, Roof Detail Membrane™, TRI-FLEX® and TRI-FLEX® 15) are not meant to be left permanently exposed to the sun.

Does ice and water Shield go over the drip edge?

Ice and water protector needs to be installed directly onto the roof deck after you have placed the drip edge at the eave. (The drip edge will be installed over the ice and water protector and other underlayments at roof rake edges.)

What is the difference between GAF StormGuard and GAF Weather Watch?

StormGuard and WeatherWatch StormGuard is designed for use with metal and shingle roofs and features a film surface closer contact with smooth-surfaced materials like sheet metal. WeatherWatch features a granular surface that is designed for use on asphalt shingle roofs.

Is leak barrier the same as ice and water shield?

Ice and Water Shield or “leak-barriers,” typically have adhesive on one side, which is protected by a peel- off membrane, making them self-adhering. Rubber-like qualities make these underlayments self-sealing, meaning that they seal well around fasteners, such as staples and nails.

How many squares does a roll of ice and water shield cover?

Specifications

Manufacturer Grace
Coverage (Square Feet) 200
Installation Method Self-Adhering; Side Laps must be a minimum of 3.5 inches and End Laps a minimum of 6 inches
Installation Temperature 40 degrees Fahrenheit or higher
Package Quantity 1

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.