Master Wholesale is a supplier of construction materials, radiant floor heating supplies, building tools and equipment, and tile and grout. We have been in business in the Seattle area since 1993 suppling our contractor customers as well as the weekend do-it-yourselfer. We have expanded to supply the entire US as well as Canada with our online sales via www.masterwholesale.com and also sell products through our Amazon storefront. We stock the best brands in the construction industry including; Imer, MK Diamond, Dewalt, Makita, Alpha Tools, Diamax, Husqvarna, Ishii, Marshalltown, Pearl Abrasive, Schluter, Wedi, Suntouch, OJ Electric, MasterHeat, NuHeat, Amerisink, Bostik, Laticrete, Hydroment, Miracle Sealants, Stonetech, and more.