
Grace Ice & Water Shield HT
Grace Ice & Water Shield HT is a high-temperature self-adhered roofing underlayment designed specifically for metal roof assemblies. It withstands temperatures up to 260°F (127°C), making it ideal for standing seam metal and other high-heat applications.
Key Features of Grace Ice & Water Shield HT
- High temperature resistance up to 260°F
- Designed for metal roof assemblies
- Rubberized asphalt adhesive
- UV barrier polymeric film
- Self-sealing around fasteners
- Slip-resistant embossed surface
Technical Specifications
25°F - 260°F
Temperature Range
30 days
UV Exposure Limit
Excellent
Split Resistance
Yes
Self-Sealing
225 sq ft
Coverage Per Roll
$100-$140
Per Square (100 sq ft)
Compatible Roofing Types
Advantages
- Highest temperature rating in category
- Specifically designed for metal roofs
- Superior self-sealing
- Grace quality and reliability
Disadvantages
- Premium pricing
- Overkill for asphalt shingle roofs
- Limited retail availability
Grace Ice & Water Shield HT Regional Performance Ratings
See how Grace Ice & Water Shield HT performs in different climate zones across the United States.
Great for metal roofs in snow
Handles heat well
Excellent for metal installations
Ideal for extreme heat
Metal roof specialist
Great temp range
Frequently Asked Questions
What is Grace Ice & Water Shield HT?
Grace Ice & Water Shield HT is a high-temperature self-adhered roofing underlayment designed specifically for metal roof assemblies. It withstands temperatures up to 260°F (127°C), making it ideal for standing seam metal and other high-heat applications.
How much does Grace Ice & Water Shield HT cost?
Grace Ice & Water Shield HT costs between $100 and $140 per square (100 sq ft). Each roll covers approximately 225 square feet.
What temperature range can Grace Ice & Water Shield HT withstand?
Grace Ice & Water Shield HT is rated for temperatures from 25°F to 260°F, making it ideal for high-temperature applications like metal roofing.
Where should Grace Ice & Water Shield HT be installed?
Grace Ice & Water Shield HT should be installed at critical areas prone to ice dams and water infiltration, including eaves (minimum 3 feet from edge, 6 feet in snow country), valleys, around chimneys and skylights, and at roof-to-wall intersections.