Substrate
Concrete tile, terracotta and metal need different systems.
Preparation determines whether a coating has a sound, compatible surface to bond to.
Call (07) 3872 6738Concrete tile, terracotta and metal need different systems.
Soundness and compatibility must be considered.
Defects should be resolved before hiding them.
Contaminants and loose material interfere with adhesion.
Bare, porous or treated areas may need specified primers.
Moisture, heat and drying windows affect application.
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.
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.