GSL® RH radiant heat underlayment is a fast, quick-setting gypsum cement formulated for radiant floor heating applications.

GSL® RH provides compressive strengths up to 3500 psi. Consult your trained contractor from DEPENDABLE, LLC on how to achieve the compressive strength needed on your next project.

GSL® is designed for installation by trained contractors from DEPENDABLE, LLC.  Please consult with a local representative for a list of contractors in a specific geography.