Feb 15, 2019 | Roof Types, Uncategorized
Approximately 25 years ago, and as an adjunct to its use as a reservoir and pond liner, DuPont introduced Hypalon as a roof membrane. The rationale was its’ superb resistance to chemicals and long-life in harsh environments made it an excellent candidate for a roof...
Jan 19, 2012 | Roof Types, Uncategorized
One of the many evolutions in the roofing industry has been the formulation of modified bitumen membranes. As the name implies, modified membranes are asphalt based with modifying polymers introduced during the manufacturing process. The most common modifiers are APP...
Nov 16, 2011 | Roof Types
Built-up roofs using coal tar pitch are the oldest form of flat roofing in existence. One hundred forty year old sketches are available showing horse drawn “hot kettles” and this form, with minimal changes, is still in use today in Tampa Bay and all of Florida. Coal...
Oct 13, 2011 | Roof Types
Conventional built-up roof systems have been in use as an industry mainstay for over 100-years. These applications typically use coal tar pitch or asphalt as the waterproofing material which is installed in successive layers and reinforced with ply felts. With...
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