Here at C&S Roofing, we are big supporters of metal roofing. Materials such as aluminium, zinc and copper can provide durable, attractive roofing solutions for a wide range of residential, commercial and architectural projects.
Where aluminium and other suitable metal components are being used, the finish is another important consideration. One option is powder coating, which can provide both a durable protective surface and a wide choice of colours and finishes.
So, What Is Powder Coating?
Powder coating is a dry finishing process used to protect and improve the appearance of suitable metal components.
Before the powder is applied, the metal surface needs to be properly prepared. Oil, dust, grease, oxides and other contaminants are removed, while chemical pretreatment can help create a suitable surface for adhesion and reduce the risk of corrosion developing beneath the coating.
The powder is then applied using an electrostatic spray gun. The powder particles receive an electrical charge, which attracts them to the prepared metal surface.
Once coated, the component is placed in a curing oven. Heat causes the powder to melt and flow into a uniform film. Once cooled, it forms a hard and durable finish.
You can read more about how electrostatic powder painting works in our related article.
Why Use Powder Coating?
Powder coating can offer several benefits for aluminium roofing and exterior metal components:
- A hard and durable exterior finish
- Resistance to everyday wear, scratches and moisture
- A smooth and consistent appearance
- A wide choice of colours and finishes
- Lower solvent use than many traditional liquid paints
- Efficient use of coating material, as some unused powder may be recovered during the process
It can be particularly useful for aluminium components such as cappings, flashings, fascias, soffits, window cills, rainwater goods and roof edge profiles where appearance and weather resistance are both important.
Powder coating also works particularly well alongside aluminium roofing, allowing visible metal details to match or complement other parts of the building.
At C&S Roofing, powder coating and aluminium fabrication can be closely coordinated, helping ensure components are fabricated, finished and prepared with the requirements of the wider project in mind.
If you need powder coated aluminium roofing components or exterior metalwork for an upcoming project, get in touch with C&S Roofing to discuss the requirements.
