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SIPA 100 GSM Synthetic Waterproof Roof Underlayment 48” x 250' (1)

4.3 4.3 out of 5 stars 70 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Roof Flashings by SIPA

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Purchase options and add-ons

  • 10 square roll covers 1,000 square feet, 100GSM
  • Performance characteristics exceed - ASTM D4869, ASTM D226, TDI Listed CCRR #AC207, FBC Approved #FL17188
  • Ultraviolet Exposure for 60 days.
  • Ideal for for sloped Commercial and residential roofs and roofing applications under asphalt shingles or metal cladding
  • Won’t buckle, warp, or crack , Water resistant
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Additional Details

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Customer ratings by feature

Easy to install
3.9 3.9
Easy to use
3.8 3.8
Adhesion
3.0 3.0

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SIPA 100 GSM Synthetic Waterproof Roof Underlayment 48” x 250' (1)
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Price$74.99$85.99$154.99$117.66$84.21$71.99
Delivery
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Get it Mar 29 - Apr 1
Get it Mar 29 - Apr 1
Get it Mar 29 - Apr 1
Get it as soon as Wednesday, Apr 3
Customer Ratings
Easy to install
3.9
4.5
4.8
Easy to use
3.8
5.0
4.8
Adhesion
3.0
4.0
4.4
Sold By
Sipa Masks
Modern Builders Supply, INC
Modern Builders Supply, INC
Modern Builders Supply, INC
Modern Builders Supply, INC
Sipa Masks

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SIPA 100 GSM Synthetic Waterproof Roof Underlayment 48” x 250' (1)


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Product Description

SIPA Synthetic Roofing Underlayment 100 GSM is a lightweight synthetic roof underayment designed to enhance the life of a roof system through superior water resistance and UV protection Coil layer is waterproof layer and anti-aging layer, fluctuation two sides is to enhance blinding layer, firm, and reliable, does not have become warped edge, no empty drum, double waterproof, is a new type of waterproof materials. Benefits of 100 GSM Unique Non-Woven Top Surface Fabric Allows For Enhanced Traction Water Resistant Performance Characteristics Exceed ASTM D4533 & D226

Customer reviews

4.3 out of 5 stars
4.3 out of 5
70 global ratings
40 ft 10+ defects in fabric.
1 Star
40 ft 10+ defects in fabric.
Spend a few dollars more and go with name brand. That's just since I've been measuring not 8 ft on a ladder. When you roll it on the roof you don't see the mass amount of holes and defects.
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Reviewed in the United States on May 4, 2023
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1.0 out of 5 stars 40 ft 10+ defects in fabric.
Reviewed in the United States on July 10, 2023
Spend a few dollars more and go with name brand. That's just since I've been measuring not 8 ft on a ladder. When you roll it on the roof you don't see the mass amount of holes and defects.
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6 people found this helpful
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Reviewed in the United States on May 21, 2022
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