We are Columbia Aluminum has been dedicated to developing, manufacturing and distributing weather-strip/door components and floor covering products to the building industry. The finest quality materials have been designed for quick and easy installation and a constant evolution is taking place with our products to remain on the cutting edge of current applications and technologies in order to best serve our customers. 

GreenGuard's business is to help you build the most protected and durable walls possible. Their residential line is filled with products that help block water and air infiltration and add insulating power.

Building wraps are an essential part of water managed walls. GreenGuard offers a full line of specialized building wrapss and drainage mats.

Blocking water intrusion around windows and doors is a must for preventing wall damage. Properly installed GreenGuard® Flashings help deflect water that would otherwise enter the wall.

An important consideration in the construction of industrial buildings, commercial or retail properties, and private residences, is selecting correct and effective waterproofing and weather barriers for the structure. Meeting the challenge to develop products designed for these tasks is MFM Building Products Corporation. MFM has focused on developing, testing, and producing specialty sealing and weatherization materials for over 40 years.