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Cosella-Dorken Products Inc. manufactures high-performance vapor permeable waterproof synthetic roof underlayments for the sloped roof market.
Cosella-Dorken Products
Cosella-Dorken Products Inc. manufactures high-performance vapor permeable waterproof synthetic roof underlayments for the sloped roof market. Developed more than 40 years ago in Germany, Delta-Foxx and Delta-Vent S are the strongest, lightest, most permeable and waterproof available. Delta-MaxxTitan adds reflective value to the roof system as well. Delta-Trela integrates an innovative 3-dimensional mesh to improve drainage and air circulation in metal roofs. For more information, call 888-4DELTA4 or visit cosella-dorken.com.
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