Roof preparation: the work beneath the finish

Preparation determines whether a coating has a sound, compatible surface to bond to.

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Six preparation decisions

Substrate

Concrete tile, terracotta and metal need different systems.

Old coating

Soundness and compatibility must be considered.

Repairs

Defects should be resolved before hiding them.

Cleaning

Contaminants and loose material interfere with adhesion.

Primer

Bare, porous or treated areas may need specified primers.

Weather

Moisture, heat and drying windows affect application.

Why shortcuts show later

Peeling, flaking, blistering, patchy sheen and premature fading can relate to contamination, trapped moisture, weak underlying coatings, incorrect primer, insufficient film build or unsuitable application conditions.

Ask for the preparation scope in writing

A quote should identify what is being cleaned, repaired, primed and coated, plus exclusions and how additional defects will be handled. “Wash and paint” is not enough detail for comparing complex roof work.

Discuss your Central Coast roof

Start with the surface, condition and access.

Call (02) 7227 3278