Incorporated in 1973 Alva-Tech is committed to being a quality oriented, customer driven company serving various segments of the construction industry. The first product we produced was Flex-Protex Joint Filler for the concrete pipe industry, and we continue to produce it. In the mid 1980’s we entered the intumescent fire barrier market...

It takes only seconds to provide Lifetime Protection against corrosive attack of steel joint rings on concrete pipes.

Alva-Tech's Fire Stop products are built to many specifications. We can also customize a formulation if none of the products meet your needs.