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Cosella-Dörken Products, Inc.
DELTA® Systems for Building Healthier Homes
Cosella-Dörken researches, develops and manufactures state-of-the-art construction products that improve the way we build and live in our homes.
Our products consist of waterproofing systems, drainage composites and weather resistive rain screen barriers that effectively waterproof, relieve hydrostatic pressures, offer capillary break and redirect water away from commercial and residential below grade foundations and above grade exterior walls. DELTA®-MS, DELTA®-MS UNDERSLAB, DELTA®-MS CLEAR, DELTA®-DRAIN and DELTA®-DRY.
We also carry roofing underlayments that meet demands for both steep and low slope non-ventilated attic assemblies with fitments for ventilating metal roofs, cement/clay tiles, and slate. DELTA®-FOXX, DELTA®-VENT S, DELTA®-MAXX TITAN and DELTA®-TRELA.
For ventilated roofs we provide a highly abrasive and waterproof underlayment that meets demands for composition shingle assemblies, DELTA®-ROOF.
General Inquiry: 888.433.5824
Email: info@cosella-dorken.com
Personal Contact: Tom Fallon, Ext. 330 and Jennifer Ranalli, Ext 322
Contact directories, including field representatives, installers, distributors and technical support
Support to Builders
Cosella-Dörken Products, Inc. offers support to builders in the following areas:
Product Information
- Product Overviews including technical data and downloadable Material Safety Data Sheets, FAQs and more
- Professional Articles and Technical Papers
- Project Profiles, case studies
- Field Representatives, Canada
- Distributors, Canada
- General inquiries or Technical Support Team: 888.433.5824
Design Assistance
- Technical Drawings, check downloadable files for each product
Installation Training and Support
- Installation Instructions, check downloadable files for each product
- Installation training and certification, for builders’ staff and installers, on- or off-site: Contact Angelo Dosa, 888.433.5824, Ext. 358
- Technical Support Team, Krzysztof Apriasz, 888.433.5824, Ext. 326
Other
Installation/Technical Training
- Product information/installation training and certification, for builders’ staff and installers, on- or off-site: Contact Angelo Dosa, 888.433.5824, Ext. 358
Sales Support Training
- In-house training available
- General inquiries: 888.433.5824
Other
Consumer Literature
- Brochures, check under each product for downloadable files, or contact your Field Representative, or call General Inquiries at 888.433,5824
Merchandizing
- Displays, banners, interior and exterior signage, and more
(See above for contact.)
Sales Support Training
- In-house training available
(See above for contact.)
Builder Program
- Literature and merchandizing can be customized for individual builders and their target markets.
(See above for contact.)
Other
Cooperative Advertising
- Print, radio, television, direct mail, signage and more, customized for individual builders and their target markets
Contact your Field Representative or general inquiries, 888.433.5824
Media Relations
Shows and Events
Other

