Contractors Building Supply is the Michigan Distributor of Thermolock Vinyl Windows and Patio Doors. From new construction to custom replacements, Thermolock has it all. Quality, price, lifetime limited warranty, plus windows in seven days!
Please contact us if you are interested in a dealership or a homeowner requesting the location of the nearest dealer. If you wish you can call us tool free @ 1-888-378-3160.
Contractors Building Supply is a proud supplier to Habitat For Humanity. Please support Habitat for Humanity.
Contractors Building Supply, INC. P.O. Box 7 16880 Front St. Copemish, MI 49625 1-888-378-3160 Fax 1-888-854-9552