Sashco

Est. 1936

A Colorado family-owned maker of caulks, sealants, log-home chinking and wood stains that says it has been in business since 1936, with its address at 14802 Grant St., Thornton, Colorado. Its one roofing line is Through the Roof!, a co-polymer rubber roof sealant sold in cartridge and brush grades.

Website

sashco.com

Headquarters

Thornton, CO, US

Founded

1936

Named products

Through the Roof! Roof Sealant

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Sources

sashco.com verified 2026-09-26