Pvdf Metal Roof Coating

Kynar 500 coated metal roofing has many attractive features and benefits.

Pvdf metal roof coating.

However with kynar 500 based prepainted metal roofing the proven durability of the coating allows the performance to remain consistent over the life of the roof. The pvdf latex is used in the top layer or topcoat of the system and should be used as part of a three step process to restore the metal substrate. The roofing material is coated in zincalume and other metals to form a barrier that protects the base metal from corrosion. Galvanized steel 5v crimp roof panel model 4737001000 21 56 21 56.

Metal roofing 1 plastic panels 2 compare. Pvdf polyvinylidene difluoride is a fluoropolymer resin that is the industry standard for the highest performing paints. Home metal roofing fade test pvdf finishes. Kynar coating is a chemical resistant thick film barrier coating primarily used on chemical processing equipment due to it s low weight and low thermal conductivity.

The metal roofing alliance refers to this concept as investment grade roofing. While advanced smp paints siliconized modified polyester come close in performance pvdf is still the industry leader with a. Cool metal roofs coated with kynar 500 pvdf based resin can reduce energy consumption by up to 40 as part of a total system design as reported by the lawrence berkeley national laboratory. Pvdf coatings are one of the most common types of industrial coatings in use today this type of coating is created by polymerizing vinylidenedifluoride it s a specialty plastic that belongs to the family of fluoropolymers and is used in applications that require high levels of purity and strength as well as those that require excellent resistance to acids solvents bases and heat.

The pvdf material contains 70 kynar resin which fades slower than other paint resins. Pvdf coatings can be applied to metal both before and after forming. Pvdf coating polyvinylidene fluoride or kynar coating is a pure thermoplastic fluoropolymer that is non reactive and possesses multiple coating benefits. Coatings are applied in factory in coil coating applications for metal roofs garage doors and wall panels or spray applied to formed aluminum extrusions on curtain walls aluminum window and door framing gutters soffits and sunshades.

As seen above in less than 10 years the pvdf fade resistance difference is clear. Sunsky 5v crimp polycarbonate roof panel in white opal. Some roof systems begin to depreciate and degrade as soon as they are installed. Kynar 500 hylar 5000 pvdf metal roofing finishes.

Surface preparation just like with any coating process the surface must be properly prepared to be sound clean dry and free of contamination. No other paint coating stands up to the sun s harsh uv rays like premium pvdf finishes.