March 11, 2023
There are many coatings that can be applied to aluminium to achieve several beneficial effects, including enhancing durability and improving visual appeal. However, before you decide what kind of coating you want your aluminium to have, one of the most common for architectural and low maintenance coatings is PVDF.
What exactly is a PVDF coating? How is it applied? Why should you choose this coating over other alternatives?
Read on to learn even more about this type of coating and why it may be perfect for your building’s facade.
PVDF coatings, or polyvinylidene fluoride coatings, are resin-based coatings that can be applied to aluminium. It is part of the Fluorocarbon family of plastics, which forms bonds that are extremely chemically and thermally stable. It has many practical and visual advantages that can make your architectural aluminium more functional and aesthetically pleasing. It is commonly used for commercial buildings and residential dwellings.
PVDF coatings are often applied using a spray gun in the following steps:
1. The Aluminium Surface Is Prepared. Before any coating is applied, the aluminium must be prepared. This means it should be cleaned and degreased, and any rust should be removed. If the aluminium is dirty or not prepared properly, the coating may not hold as it should and it might not have the desired effects. Certain high-quality PVDF coatings also need a chrome-based conversion coating to be put on the aluminium before a primer is applied.
You may be asking, ‘why should I choose PVDF-coated aluminium over other alternatives?’ You should know that this coating provides your aluminium, and thus your facade, with many fantastic benefits.
Another option you can choose is powder-coated aluminium, which is different from PVDF coatings in a few ways. You should know that PVDF coatings are different from powder coatings in these ways: