Grip-Rite 36-in x 32.8-ft 100-sq ft Polypropylene Roof Underlayment

Regular price $67.60

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Grip-Rite 100-sq ft Polypropylene Roof Underlayment

Durable polypropylene roof underlayment designed to cover 100 sq ft per roll. The 36-in x 32.8-ft roll lays flat for straightforward installation and reliable secondary weather protection under shingles or other roofing materials.


Key Features:

  • Reliable Protection: Polypropylene underlayment adds a moisture-shedding layer beneath primary roofing
  • Easy Handling: 36-in wide roll lays out flat for faster, simpler installation
  • Optimized Roll Size: 32.8-ft length provides 100-sq ft of coverage per roll
  • Durable Build: Engineered for long-lasting performance under a variety of roofing systems

Specifications Table:

Specification Details
Material Polypropylene
Color/Finish Family Black
Manufacturer Color/Finish Black
Type Roll roofing / underlayment
Coverage Area 100 sq ft
Length 32.8 ft
Width 36 in (3.38 ft)
Package Quantity 1
Underlayment Required Yes
Warranty 1-year limited
UNSPSC 30151500
Roll Weight 102 lb (conflicts reported); Weight also listed as 84 lb

Frequently Asked Questions (FAQ):

Q: What is the coverage per roll?
A: Each roll covers 100 square feet.


Q: What are the roll dimensions?
A: 36 inches wide by 32.8 feet long.


Q: Can this be used under shingles?
A: Yes, it’s designed as a roof underlayment beneath common roofing materials.


Q: Is special equipment required to install?
A: Standard roofing tools are typically used; follow local codes and manufacturer instructions.


Sleek, Dependable Underlay for a Polished Roofline

This underlayment creates a quiet, confident foundation—clean, smooth, and impeccably uniform. Its streamlined 36-inch width glides into place, setting the stage for shingles to shine. Pair it with deep-charcoal shingles for a crisp architectural silhouette and elevated curb appeal. Consider it the invisible luxury that ensures a beautifully finished roof endures.


Secure your roof with dependable protection—choose this Grip-Rite underlayment for fast coverage and long-lasting performance.

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