Products
Find a Branch
Login Register
Contractor Toolbox
The Allied Building Products Mobile App
Follow Us

Product# | 82520101 |
REX™ SynFelt Synthetic Roof Underlayment
Features and Benefits
REX™ SynFelt is a high strength woven synthetic roof underlayment that can save you 50% in labor and time expense, compared to 30# felt. Here’s why:
- The most slip resistant underlayment in the industry
- 20 times stronger than felt–won’t tear-off or buckle when wet
- 10X lighter per square and 20X stronger than 30# felt
- 10 squares per roll weighing only 28 lbs (250 ft roll)
- 5 squares per roll weighing only 14 lbs (125 ft roll)
- UV resistant and can be exposed for up to 6 months
- Light gray color reduces heat and provides cooler working surface
Pre-printed nailing pattern speeds installation. The smartest builders and roofers in America use REX™ SynFelt.
Roll Size
Roll Width 48 in
Roll Length 125 or 250 lineal feet
Weight Per Square 2.8 lbs
PROPERTY TESTED RESULTS
Roll Width 48 in
Roll Length 125 or 250 ft
Weight Per Square 2.8 lbs
Nail Seal Ability Pass
Water Transmission Pass
Tensile Strength
MD 96 lbs
CD 116 lbs
Tear Strength
MD 58 lbs
CD 77 lbs
Pliability Pass
Water Ponding Pass