American Hydrotech is a recognized leader in the development, production and distribution of premium waterproofing and roofing products.  Hydrotech’s Monolithic Membrane 6125®, the original rubberized asphalt membrane, has been entrusted with keeping high profile structures across the country and around the globe watertight for 50 years. With more than two billion square feet of MM6125® installed, Hydrotech is recognized as the leader in the waterproofing industry. Not satisfied to rest on our past successes, we have developed a full range of thermal and moisture protection products, drainage systems, The Ultimate Assembly for plazas, decks and roof terraces and the Garden Roof® Assembly for vegetated (green) roof applications.  We will continue to expand our product line to give architects and owners superior flexibility and design options for plazas, roofs, parking decks and critical waterproofing projects.


Polyguard’s Architectural Division offers the Integrated Building Envelope™ System, with air barriers, masonry through wall and window flashings, below grade structural waterproofing systems, and composite drainage panels, all connected using engineered transition detailing assemblies which assure envelope integrity.

SITURA is a globally recognized leading supplier of Waterproof Expansion Joints for roofing and waterproofing applications. SITURA Waterproof Expansion Joints are specifically designed and engineered for use in a wide variety of applications, ranging from single ply membrane tie-ins to large-scale displacement seismic joints, without obstructing drainage and eliminating water ponding. SITURA Expansion Joint Waterproofing systems are used on both vertical and horizontal surfaces. All SITURA joints are compatible with single ply, modified bitumen, asphalt and coal tar pitch based membranes.

Industry Links

Request More Info

Submitting Form...

The server encountered an error.

Form received.

COPYRIGHT © 2014 Gehrke & Associates