• Cosella-Dörken
  • History
  • Philosophy
  • Integrated Quality
    & Environmental Management
  • Jobs & Career
  • Professional Affiliations

• Applications
  • Around the House
    • Roofing Systems
    • Wall Systems
    • Garden Roof & Horizontal Drainage Systems
    • Foundation Wall Moisture Protection and Drainage Systems
    • Warm & Dry Floor System
    • Underslab Vapor Barrier Systems
  • Commercial Construction
    & Civil Engineering
    • Garden Roof Systems
    • Wall Systems
    • Horizontal Drainage Systems
    • Phase Change Material Systems
    • Vertical Drainage Applications
    • Sub-Base Course Applications
    • Tunnel Ceiling & Wall
      Drainage Applications
    • Tunnel Bottom
      Drainage Applications

• Products
  • DELTA® Roof Underlayments
    • Underlayments for pitched roofs
    • Underlayments for metal roofs
    • Adhesives
    • Accessories
  • DELTA® Garden Roof Systems
  • DELTA® Rainscreen Systems
  • DELTA® Water-Resistive Barriers
    • Water-Resistive Barriers
    • Water-Resistive Barriers for open joint claddings
  • DELTA® Vapor Barrier
  • DELTA® Below Grade Moisture Protection
    • Foundation Drainage, Dampproofing & Wall Waterproofing
    • Self-Adhering Waterproofing
    • Footing Barrier & Cold Joint Moisture Protection
    • Warm & Dry Floor System
    • Horizontal Applications
    • Accessories
  • DELTA® Civil Engineering Products
  • DELTA® Phase Change Materials

• Project Profiles
  • Roof Underlayments
  • Rainscreens & Water-Resistive Barriers
  • Below Grade Moisture Protection
  • Civil Engineering
  • Phase Change Materials

• News & Events
  • News
  • Tradeshows
  • Seminars, Workshops, CEUs
  • Professional Articles

• Media

• Contact
  • Field Representatives
    • Canada
    • USA
    • Mexico
  • Certified Installers
    • Canada
    • USA
    • Mexico
  • Distributors
    • Canada
    • USA
    • Mexico
  • International
  • Technical Support
  • Email us
  • Request a Call
  • Directions

DELTA® protects property.
Saves energy.
Creates comfort.

Cosella-Dörken Products, Inc.
4655 Delta Way
Beamsville, ON L0R 1B4
Canada
Phone: 1-905-563-3255
Toll Free: 1-888-4DELTA4
Fax: 1-905-563-5582
Email: info@cosella-dorken.com


© Cosella-Dörken Products
A company of the Dörken Group

Ventilated / Non-ventilated Roofs
- Clay tiles, Concrete tiles, Slate

Ventilated Roofs
- Asphalt shingles

Ventilated / Non-Ventilated Roofs
Metal cladding

Vapor & Air Barrier