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Concrete roof tiles rely on a protective coating to shield them from moisture, UV exposure, dirt and weathering. As this coating breaks down, the tiles become more porous, allowing water and contaminants to penetrate the surface. This can lead to fading, moss and lichen growth, surface erosion and gradual deterioration of the tiles. Reapplying a quality protective coating helps seal and protect the roof, improves its appearance and can significantly extend the life of the tiles.

Grit-coated Decramastic metal tiles are protected by a surface coating of stone grit and binder. Over time, exposure to UV, rain, wind and lichen/moss growth can cause the binder to break down and the grit to loosen or become weathered. This can leave areas of exposed metal, increase the risk of corrosion and allow further deterioration of the tile surface. Applying a suitable protective coating helps seal and stabilise the weathered surface, protect exposed areas from moisture and the elements, and slow further deterioration. A quality recoating system can also refresh the appearance of the roof and help extend the serviceable life of the tiles.

Iron roofs are a popular choice for NZ homes. But over time the harsh weather takes its toll on the protective layers, leaving bare metal exposed to the elements and accelerated deterioration - especially in coastal environments. A top shield restoration helps keep your roof protected for longer so you can avoid those costly replacements