# Owens Corning ProArmor 1001 sq. ft. Synthetic Roof Underlayment Roll

**Brand:** [Owens Corning](https://shop.coreranger.com/brands/Owens%20Corning)
**SKU:** PROA21
**Price:** $139 · in stock
**URL:** https://shop.coreranger.com/product/owens-corning-proarmor-1001-sq-ft-synthetic-roof-underlayment-roll-302659836

## Specifications

| Spec | Value |
|---|---|
| Model # | PROA21 |
| Texture | Smooth |
| Features | Mildew Resistant,Water Resistant |
| Material | Polypropylene |
| Internet # | 302659836 |
| Returnable | 90-Day |
| Store SKU # | 1002826267 |
| Color Family | Gray |
| Application Method | Nail |
| Product Width (in.) | 42 in |
| Surface Recommended | Wood |
| Fire Rating (UL 790) | Class A |
| Product Weight (lb.) | 25 lb |
| Roofing Product Type | Underlayment |
| Manufacturer Warranty | 10 YEARS |
| Unrolled length (ft.) | 286 |
| Coverage Area (sq. ft.) | 1001 sq ft |
| Product Thickness (in.) | .008 in |
| Squares (100sq. Ft)/Roll | 10 |
| Underlayment/Barrier Type | Synthetic Underlayment |

## Description

ProArmor Synthetic Roof Underlayment with Fusion Back Coating Technology is strong, durable and repels water. It's also light, easy to install and contributes to safe working conditions. In addition to its unparalleled quality and performance, ProArmor Underlayment offers the following features and benefits.

• Lightweight and dual-surface slip resistant roll for safe install
• Repels moisture on roof by protecting against water infiltration
• Can be used under asphalt and metal roofing