Ice & Water Roof Underlayment Roll

IKO StormShield is a self-adhered ice and water protector designed for waterproofing beneath shingled roofs. Built on a non-woven glass fiber mat coated with SBS-modified bitumen, it delivers durable adhesion and protection in potential ice dam areas and around roof penetrations.

Key Features:

• Self-Adhered Protection: SBS-modified bitumen backing with silicone release film for strong, easy adhesion
• Reinforced Construction: Non-woven glass fiber mat with mineral surface for durability under shingles
• Ice Dam Defense: Ideal for eaves, valleys, and other high-risk areas prone to water intrusion
• Versatile Application: Use around vent stacks, dormers, chimneys, and roof-top structures
• Generous Coverage: 36 in x 65 ft roll covers 195 sq ft; 43 mil thickness for robust performance

Please check the Product Data Sheet Here

Specifications Table:

Frequently Asked Questions (FAQ):

Q: What is the roll size and coverage?
A: Each roll is 36 inches wide by 65 feet long, covering 195 square feet.

Q: How thick is the material?
A: The membrane is 43 mils thick.

Q: Is it self-adhering?
A: Yes. It has a self-adhesive SBS-modified bitumen backing protected by a silicone-treated release film.

Q: Where should it be installed?
A: Install under shingles at eaves, valleys, and around penetrations such as vents, dormers, and chimneys to protect against ice dams and water infiltration.

Q: What standards does it meet?
A: Listed applicable standards include ASTM D1970, ASTM D751, ASTM D2523, ASTM D4073, ASTM D1204, ASTM E96, and ISO 9001:2000.

Invisible Armor for Harsh Weather

StormShield slips beneath your shingles like a sleek, protective skin, fortifying the roof against winter’s ice and relentless rain. Its mineral-surfaced finish and reinforced fiberglass core feel tailored, precise, and strong. Layer it along eaves and valleys to create a crisp, clean foundation that elevates the roofline’s integrity. This underlayment is a quiet luxury—performance you can’t see, but absolutely feel in every storm.

Protect your roof with StormShield’s robust, self-adhered waterproofing—add it to your project today for reliable defense against ice and water.

Installation