From siding sealant and window caulk to gutter and roofing applications, Astro Building Products offer durable caulk products to ensure your job and reputation stand up to even the harshest conditions.

Astro Building Products is conveniently located in Traverse City. Contact us to learn more about our caulk products.

OSI Tough
You need it sealed right the first time. That’s why you use OSI. OSI caulking sealant products were born on the jobsite and are built to withstand the elements.


QUAD® Water Resistent


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Solar Seal Caulk
Protect your investments with high performance caulk that provides exceptional weather resistance, adhesion, elongation and color stability.




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Ruscoe Company
This incredible product is used to support applications for our Roofing Restoration products and is used extensively by swimming pool contractors to fill cracks and leaks- because it cures even under water. Contractors specializing in gutter and siding installations have made this product their adhesive-sealant of choice due to its superior, long range performance.

Novaflex® is a complete line of one-part and two-part sealants meeting the needs of window, door, siding, and metal roof manufacturers, dealers, building material wholesalers and contractors.