OSI RF140 Black Synthetic Asphalt/Rubber Roof and Flashing Sealant 10 oz
Henkel

OSI RF140 Black Synthetic Asphalt/Rubber Roof and Flashing Sealant 10 oz

4.8 stars out of 64 reviews
(4.8)|
64 ratings

Key item features

  • Flexible Durability: This sealant is designed to be flexible and non-hardening, ensuring long-term performance without cracking.
  • All-Weather Application: It can be effectively applied in various weather conditions, including temperatures between 20-90 degrees Fahrenheit, due to its unique rubber plus asphalt formula.
  • Strong Adhesion: The product forms strong bonds with both wet and dry surfaces, providing reliable sealing capabilities.
  • UV Resistance: Its formulation is UV resistant, preventing deterioration from sunlight exposure over time.
  • Waterproof Barrier: The sealant creates a waterproof barrier on roof surfaces, offering protection against moisture.
  • VOC Compliant: This product meets stringent state and federal VOC regulations, indicating its environmental compliance.
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Current price is $45.36
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Customer ratings & reviews

4.8 out of 5 stars
stars64 ratings64 reviews
How item rating is calculated
  1. 5 stars86% (55)
  2. 4 stars13% (8)
  3. 3 stars2% (1)
  4. 2 stars0% (0)
  5. 1 star0% (0)

Reviews summary

Pros
  • : Can be used in various weather conditions.
  • : Forms a tight seal around surfaces.
  • : Made with high-quality materials.
  • : Directions are simple to understand and execute.
  • : Seals gaps and cracks with a clean finish.
  • : Offers good value at this cost.
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Showing 1-3 of 64 reviews

Sep 3, 2024
RepairGuy
5 out of 5 stars review

The go to roof product

I've used this several times on roofing jobs when installing caps and vents. Very high quality and I haven't had any issue with it so far. I would def recommend.

Review from OSI
Helpful?4OZIE79EMO90192662654
reply from The OSI Team

We're glad to know you're happy with your experience using our product.

Mar 1, 2023
Q Tip
5 out of 5 stars review

Served purpose

[This review was collected as part of a promotion.] I got this awhile ago to fill in some voids after the roofers and siding was completed on my remodel. I liked that there was not all those air pockets in the tube for a nice seamless bead. It did have a quicker dry time for paint and that made it easier with a little rain that moved in on us. Overall I will continue using this product for other projects.

Review from OSI
Helpful?4OZIE79EMO90192662654
reply from The OSI Team

We are glad that you are happy with the performance of our product.

Mar 7, 2023
Calbtx
5 out of 5 stars review

Works great

[This review was collected as part of a promotion.] OSI RF 140 roof cement is a very dependable product compared to competitors. Product has the required composition to withstand the heat build up on roofing, ensuring against leaks when applying to metal flashings on shingle roofs Plan to buy again

Review from OSI
Helpful?4OZIE79EMO90192662654
reply from The OSI Team

We appreciate your feedback and are glad to hear that our product has been able to meet your needs and perform well for you.