Cut Edge

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Cut Edge Corrosion

Cut Edge Corrosion in Metal Cladding

When the cut edges of coated metal cladding are exposed to the elements, for prolonged periods of time, delamination may occur in the form of peel-back of the factory coating. The unprotected metal substrate then becomes exposed to rusting and corrosion. This is more likely to occur on roofs.

If cut edge corrosion is not addressed quickly it will eat into the metal sheet causing leaks into the building. The condition of the roof will then deteriorate rapidly, dramatically affecting the value of the building and considerably increasing maintenance costs.

Treatment 

Our cut edge corrosion treatment begins with the thorough cleaning and preparation of the area of rusting and delamination followed by the application of our three part coating system;
1. Seamsil sealant – to overlap areas
2. Seamsil basecoat
3. Seamsil topcoat – colour matching the existing coating or
Delcote – as part of a complete roof coating system.