Mercy Base
Availability in U.S. stockMercy Base is a high-quality synthetic roofing underlayment designed to provide reliable protection against air, water, and moisture. It features a durable multi-layer construction with a woven scrim core and a non-woven polypropylene top layer for strength and stability. The surface is UV-resistant for jobsite durability, and the underside is treated to help reduce slipping and improve safety during installation. The product meets applicable standards for use across the United States.
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SKU: U5tRB2lhwJC6r1
Why Contractors Love it
Faster Install
Lightweight rolls are easier to carry and position
Preprinted nailing patterns speed up installation
Clear overlap lines eliminate guesswork
Installer Approved
Superior grip and walkability that crews love
Strong tear resistance
No bunching up underfoot
Faster Install
Cool grey surface keeps workers comfortable
Resists water absorption to prevent wrinkles
Maintains flexibility in cold weather
Professional Performance
Better coverage per course than standard Type 15 felt
6-month UV protection for flexible project timing
Maintains shape without wrinkles or warping
Faster Install
Lightweight rolls are easier to carry and position
Preprinted nailing patterns speed up installation
Clear overlap lines eliminate guesswork
Installer Approved
Superior grip and walkability that crews love
Strong tear resistance
No bunching up underfoot
Faster Install
Cool grey surface keeps workers comfortable
Resists water absorption to prevent wrinkles
Maintains flexibility in cold weather
Professional Performance
Better coverage per course than standard Type 15 felt
6-month UV protection for flexible project timing
Maintains shape without wrinkles or warping