M D Building Products

M-D Building Products designs manufactures and markets a range of residential and commercial weatherproofing products, including door and window weather-stripping, garage door weather-stripping, pipe insulation and a complete line of interior and exterior caulk marketed under both the Tower Sealants and DuPont ™ brands. The company also produces aluminum and wood flooring transitions as well as installation tools. The company is headquartered in Oklahoma City, where its primary manufacturing and distribution facilities are located. M-D Building Products also operates seven additional manufacturing and distribution sites across the U.S. and Canada. The company sells its products through numerous retailers and professional channels to consumers, contractors, wholesalers and community agencies across the nation.

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