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WEATHERSEAL CONTACT WITH ASPHALT SHINGLES

Katy Boren wrote:

We are very interested in your exterior stain. We used your interior floor and wall Polyseal and thought it was a great product. We are wondering what if anything WeatherSeal does when it comes in contact with Shingles. The product that came with our log home had a warning on it to keep it away from our shingles because it would ruin them. Please help!

Thank you,
Ron & Katy Boren

Dear Ron & Katy,

Thanks for contacting us. I am glad you are pleased with PolySeal. It is a good product. WeatherSeal contains mineral spirits and water as its solvent carrier. Mineral spirits is a petroleum distillate that is a slow evaporating solvent and in the realm of a whole family of solvents, it is considered mild. It is on the same level as Kerosene. The mineral spirits contained in WeatherSeal is but a portion of the whole formula. Incidental contact of WeatherSeal on an asphalt shingle would be negligible. If you soaked an asphalt shingle in mineral spirits, it would eventually degrade the shingle. But this is not the likely scenario. Get in touch with your asphalt shingle supplier and get their feedback.

Continental Products Co.