APOC SB-1 Weather Armor 2 Square Self-Bond Rubberized Asphalt Roof Underlayment 36 in x 66.7 ft, 200 sq ft

APOC SB-1 Weather Armor 2 Square Self-Bond Rubberized Asphalt Roof Underlayment is a premium, all-purpose roofing underlayment designed to offer superior protection beneath shingles, slate, wood shake, and metal roofing. Each 36 in × 66.7 ft roll covers 200 sq ft and is engineered with a high-strength rubberized asphalt material that resists tears during installation. This material provides exceptional elasticity and a non-slip mineral surface, ensuring a safer installation process and lasting protection for the roof deck.

Because the underlayment is made from durable rubberized asphalt, it resists water absorption and is more flexible than traditional felt. The material is mold-resistant, ensuring a dry and stable roof deck. APOC SB-1 Weather Armor Self-Bond is designed to be up to 2 times stronger than traditional #15 felt, offering excellent wind resistance and durability, even during heavy roof traffic and extreme weather conditions.

APOC SB-1 Weather Armor is lightweight, with a nominal weight of 70 lbs per roll, and can be easily handled by roofing crews. Its advanced backside adhesive and self-bonding features ensure a quick, secure installation. The product also has up to 60 days of UV exposure resistance, allowing for faster, wrinkle-free installation and long-lasting protection until the primary roofing material is applied.

• Roll size: 36 in W × 66.7 ft L (200 sq ft coverage)
• Material – Rubberized asphalt with a nonwoven, water-resistant construction
• Slip-resistant surface for enhanced installation safety
• Up to 2 times stronger than #15 felt
• UV resistance for up to 60 days
• Ideal under shingles, shakes, slate, wood, metal, and synthetic roofing
• Manufacturer part number: AP-4100-2
• Weight: Approx. 70 lbs per roll

Fast, contractor-friendly installation

APOC SB-1 Weather Armor is designed for easy handling and rapid installation. The lightweight material features a non-slip surface for added safety on the job site, allowing roofing professionals to work more efficiently and safely. The rolls are engineered to lay flat, minimizing wrinkles and improving installation ease. APOC SB-1 Weather Armor can be peeled and stuck to the roof deck for quick application, and it is compatible with a variety of roofing systems, making it a versatile choice for both residential and commercial applications.

Durability in extreme conditions

APOC SB-1 Weather Armor passes ASTM standards and is built to withstand harsh environmental conditions, including extreme heat, heavy rain, and high winds. Its strength and flexibility make it an ideal choice for use in a wide range of climates, including cold temperatures where traditional felt may become stiff and difficult to install.

Certified for performance

APOC SB-1 Weather Armor is a trusted choice among roofing professionals, meeting key industry standards such as ASTM D226 and D1970, ensuring reliability and superior protection under a variety of roofing materials.

Dimensions

Roll: 36 in × 66.7 ft

Weight

70 lbs per roll