Bitec, Inc. (pronounced bee-tek) began in 1986 with a philosophy of providing the highest quality modified bitumen roofing membranes, & unequaled technical support and service. Today, our philosophy remains the same. During our history the company has never experienced a single product failure. We continue to engineer & design new products which insure, that as a specialty manufacturer of both APP & SBS roofing & waterproofing membranes, our position of quality meets the needs of our customers: the contractor, the architect, and the property owner.

Lomanco has been producing a complete line of Residential and Light Commercial attic and crawlspace ventilators since 1946. Products include wind turbines, power ventilators, roof louvers, ridge vents and foundation vents. Our high product quality and functionability, combined with our well-recognized integrity and solid partner base has established Lomanco as the premier manufacturer of residential ventilation products in the world.

A major producer of underlayments since 1978, Tarco offers traditional, synthetic and premium LeakBarrier self-adhering underlayments as well as EasySystem self-adhering membranes.

Whether your primary roof will be shingle, tile, metal or membrane, Tarco® provides an underlayment solution that has been specially engineered and optimized for easy installation and superior performance.

You can depend on Tarco for superior value, exceptional customer service and convenient on-time delivery.

Underlayments Are Our Business!