The ultimate protection of a roof structure begins with a superior underlayment, especially in areas prone to ice dams, heavy snow, and wind-driven rain. Roofnado AnchorDeck PSU, offered by A1A Wholesale Supply, is a cutting-edge, high-performance, high-temperature self-adhered roofing underlayment meticulously engineered for exceptional defense and installation efficiency on sloped roof applications.
AnchorDeck PSU provides unmatched defense against severe weather elements, including ice dams, snow, storms, hail, and wind-driven water. Its robust design acts as a formidable secondary water barrier, ensuring comprehensive protection for the roof deck and interior of the building.
Beyond its protective capabilities, AnchorDeck PSU prioritizes safety and productivity. It features a mechanical slip-resistant walking surface, ensuring superior steep-slope walkability for enhanced safety and efficiency for your crews, even on challenging pitches. The innovative split-release liner combined with advanced rubberized adhesion technology contributes to faster and easier installs, allowing for strong deck grip in low temperatures and excellent flow resistance in high temperatures, ensuring reliable adhesion in diverse climates.
Roofnado AnchorDeck PSU is a versatile solution, designed for use under a wide range of primary roofing materials, including:
- Asphalt shingles
- Residential metal roofing
- Concrete tiles
- Shakes
- Synthetic shingles
- Primed cedar shakes
This underlayment stands out for its comprehensive compliance, meeting all relevant building codes, including rigorous standards such as ASTM D226, ASTM D4869, AC 48, and CAN/CSA A220.1. It also meets and exceeds ASTM D1970 and carries approvals from authoritative bodies like Miami-Dade County Product Control Approved and FBC Approved, signifying its resilience in extreme conditions.
With a substantial 90-day UV exposure rating, AnchorDeck PSU allows flexibility in project scheduling without compromising material integrity. Backed by a robust 20-year warranty, it provides reliable, long-lasting roof deck protection, offering peace of mind to both contractors and homeowners.
Supplied in bulk by the pallet, with 30 rolls per pallet, A1A Wholesale Supply ensures that roofing contractors have a continuous, high-volume supply for large residential and commercial projects, optimizing logistics and reducing material handling. Take advantage of our multiple pallet and truckload discounts to maximize your savings on larger orders.
Product Details:
- Product Type: High-temperature self-adhered (Peel-and-Stick) roofing underlayment
- Performance: Unmatched protection from ice dams, severe weather, and wind-driven water
- Safety: Mechanical slip-resistant walking surface for superior steep-slope walkability
- Installation: Split-release liner, advanced rubberized adhesion technology for faster, easier installs
- Adhesion: Strong deck grip in low temperatures, excellent flow resistance in high temperatures
- Durability: Durable secondary water barrier
- UV Exposure: 90 days UV exposure rating
- Warranty: 20 Year Warranty
- Code Compliance: Meets all relevant building codes including ASTM D226, ASTM D4869, AC 48, and CAN/CSA A220.1
- Certifications: Meets and exceeds ASTM D1970, Miami-Dade County Product Control Approved, FBC Approved
- Compatibility: Asphalt shingles, residential metal roofing, concrete tiles, shakes, synthetic shingles, primed cedar shakes
- Rolls per Pallet: 30 rolls
- Packaging: Sold by the pallet
- Available Discounts: Multiple pallet and truckload discounts
- Applications: Sloped roof applications (eaves, valleys, critical areas), residential and commercial projects, new construction, re-roofing.







