Facts & Myths

Polyvinylidene Fluoride (PVDF) Architectural Coating Systems

- One of the best coatings available for metal roofing applications
- Excellent weathering performance
- Superior forming ability
- Film Integrity can be warranted for up to 40 Years
- Available in an array of colors


Myth 1 - All PVDF coating systems are the same
The performance of PVDF coating systems can vary substantially, depending on both the type and amount of resins, pigments and additives used during manufacture. Most architectural PVDF coating systems utilize a minimum 70% PVDF resin base in their formulation, but not all.

Myth 2 - Kynar and Hylar are names of architectural coating systems
Kynar and Hylar are not coating systems; they are trade names for Polyvinylidene Fluoride (PVDF) resins. In order to become an architectural coating, paint manufacturers blend PVDF resins with other resins, pigments and additives.

Myth 3 - If you want aCool Roof, you have to purchase a PVDF coating system
In order to be considered a Cool Roof, a coating system needs to be able to deliver a high SRI (Solar Reflective Index) value. Go Green environmental programs such as LEED (Leadership in Energy and Environmental Design), require individual colors to achieve minimum SRI values to qualify for certification credits. Any type of polyester coating system can be used, including Regular Polyesters, Silicon Modified Polyesters, Super Durable Polyesters and PVDF. The use of solar reflective pigments and resin additives can increase SRI values for individual colors no matter what type of system being used.

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