✨ New Arrivals Just Dropped!Explore
Product image 1
HomeStore

CertainTeed Roofing WinterGuard Granular Waterproofing Shingle Underlayment, 2 SQ Roll, 3' x 65' (195 sq ft)

CertainTeed Roofing WinterGuard Granular Waterproofing Shingle Underlayment, 2 SQ Roll, 3' x 65' (195 sq ft)

WinterGuard Granular Waterproofing Shingle Underlayment, 2 SQ Roll

Self-adhering, granular waterproofing underlayment engineered to stop water intrusion at roof eaves, valleys, and other vulnerable areas. Made from vapor-tight asphalt polymers that stretch and seal around fasteners for a durable, long-lasting barrier.


Key Features:

  • Self-Adhered Waterproofing: Asphalt-polymer composite forms a vapor-tight, elastic seal that self-seals around nails.
  • Granular Surface: Provides traction and durability for easier installation and service life.
  • Cold-Weather Defense: Designed for eaves and valleys to combat ice dams and wind-driven rain.
  • Generous Coverage: 3' x 65' roll covers 195 sq ft (2 squares) for efficient roof prep.
  • Code-Compliant: Meets ASTM D1970; Miami-Dade and Florida approvals; UL 790 classified under Class A/B/C systems; ICC ESR-1492; CSA A123.22.

Specifications Table:

Specification Details
Style Underlayment
Product type Waterproofing shingle underlayment
Surface Granular
Coverage 195 sq ft per roll (2 squares)
Roll dimensions 3 ft x 65 ft
Length 65 ft
Width 3 ft (36 in)
Thickness 60 mil (1.5 mm)
Weight 72 lb per roll
Material Asphalt polymer composite
Standards/Approvals ICC ESR-1492; Miami-Dade County Approved; UL 790 classified beneath Class A/B/C systems; ASTM D1970; Florida Product Approval FL 11288; CSA A123.22
Warranty Lifetime Limited Warranty
Manufacturer number WGG
Product number CTRWGG2

Frequently Asked Questions (FAQ):

Q: Is this product self-adhering?
A: Yes, it is a self-adhered underlayment with an asphalt-polymer adhesive that bonds to the deck and self-seals around fasteners.


Q: What is the roll size and coverage?
A: Each roll is 3 feet wide by 65 feet long and covers 195 square feet (2 squares).


Q: Where should I install WinterGuard?
A: Install at roof eaves, valleys, dormers, and other leak-prone areas; extend at least 24 inches past the interior wall line at the eave where required.


Q: What warranties apply?
A: Product lists a Lifetime Limited Warranty; see manufacturer documentation for terms and conditions.


Q: Is it approved for use under fire-rated shingle systems?
A: Yes, it is UL 790 classified for use beneath Class A, B, or C fire-rated shingle systems.


A Seamless Shield for Elegant Rooflines

WinterGuard wraps the roof in a sleek, protective layer that preserves the clean geometry of eaves and valleys. Its granular finish adds a refined texture while the self-sealing technology keeps the envelope pristine through harsh seasons. Pair it with architectural shingles to accentuate shadow lines and ensure a crisp silhouette. This underlayment is a quiet essential for luxurious, weather-resilient living.


Protect your roof’s most vulnerable areas—choose WinterGuard Granular for reliable, code-compliant waterproofing that lasts.

$104.73
CertainTeed Roofing WinterGuard Granular Waterproofing Shingle Underlayment, 2 SQ Roll, 3' x 65' (195 sq ft)
$104.73

Product Information

Shipping & Returns

Description

WinterGuard Granular Waterproofing Shingle Underlayment, 2 SQ Roll

Self-adhering, granular waterproofing underlayment engineered to stop water intrusion at roof eaves, valleys, and other vulnerable areas. Made from vapor-tight asphalt polymers that stretch and seal around fasteners for a durable, long-lasting barrier.


Key Features:

  • Self-Adhered Waterproofing: Asphalt-polymer composite forms a vapor-tight, elastic seal that self-seals around nails.
  • Granular Surface: Provides traction and durability for easier installation and service life.
  • Cold-Weather Defense: Designed for eaves and valleys to combat ice dams and wind-driven rain.
  • Generous Coverage: 3' x 65' roll covers 195 sq ft (2 squares) for efficient roof prep.
  • Code-Compliant: Meets ASTM D1970; Miami-Dade and Florida approvals; UL 790 classified under Class A/B/C systems; ICC ESR-1492; CSA A123.22.

Specifications Table:

Specification Details
Style Underlayment
Product type Waterproofing shingle underlayment
Surface Granular
Coverage 195 sq ft per roll (2 squares)
Roll dimensions 3 ft x 65 ft
Length 65 ft
Width 3 ft (36 in)
Thickness 60 mil (1.5 mm)
Weight 72 lb per roll
Material Asphalt polymer composite
Standards/Approvals ICC ESR-1492; Miami-Dade County Approved; UL 790 classified beneath Class A/B/C systems; ASTM D1970; Florida Product Approval FL 11288; CSA A123.22
Warranty Lifetime Limited Warranty
Manufacturer number WGG
Product number CTRWGG2

Frequently Asked Questions (FAQ):

Q: Is this product self-adhering?
A: Yes, it is a self-adhered underlayment with an asphalt-polymer adhesive that bonds to the deck and self-seals around fasteners.


Q: What is the roll size and coverage?
A: Each roll is 3 feet wide by 65 feet long and covers 195 square feet (2 squares).


Q: Where should I install WinterGuard?
A: Install at roof eaves, valleys, dormers, and other leak-prone areas; extend at least 24 inches past the interior wall line at the eave where required.


Q: What warranties apply?
A: Product lists a Lifetime Limited Warranty; see manufacturer documentation for terms and conditions.


Q: Is it approved for use under fire-rated shingle systems?
A: Yes, it is UL 790 classified for use beneath Class A, B, or C fire-rated shingle systems.


A Seamless Shield for Elegant Rooflines

WinterGuard wraps the roof in a sleek, protective layer that preserves the clean geometry of eaves and valleys. Its granular finish adds a refined texture while the self-sealing technology keeps the envelope pristine through harsh seasons. Pair it with architectural shingles to accentuate shadow lines and ensure a crisp silhouette. This underlayment is a quiet essential for luxurious, weather-resilient living.


Protect your roof’s most vulnerable areas—choose WinterGuard Granular for reliable, code-compliant waterproofing that lasts.

CertainTeed Roofing WinterGuard Granular Waterproofing Shingle Underlayment, 2 SQ Roll, 3' x 65' (195 sq ft) | Super Arbor