United Coatings

Diathon® DS Roof Coating

Diathon® DS Roof Coating

Why United Coatings™ Diathon® DS Roof Coating?

United Coatings™ Diathon® DS Roof Coating is specifically developed for protecting sprayed polyurethane foam insulation from degradation caused by normal weathering, aging, and ultraviolet exposure. It can also be used as a top coat on existing foam roofs previously coated with compatible coating systems.


  • Long-term durability; high acrylic resin content providing high durability.
  • Fire retardants are dispersed into the raw material for long-term fire protection.
  • Protects against normal abrasive weather conditions such as ice, snow, and sand.


United Coatings™ Diathon® DS Roof Coating was designed to be applied over SPF insulated concrete, metal, plywood, and ambient and hot tanks.

Protect Your Investment

Find out about product warranties and options that may help protect your most valuable assets. 

  • Liquid-Applied Extended Limited Warranty
  • Limited Warranty on GAF Liquid-Applied Roof Coatings

Product Properties

Contact GAF
Find A Contractor