Surface preparation: Ensuring proper adhesion for wall finishes

Surface preparation: Ensuring proper adhesion for wall finishes

Frequently Asked Questions

Proper surface preparation ensures the wall finish adheres correctly, preventing peeling, bubbling, or cracking, which is crucial due to Singapores humid climate.
Common imperfections include cracks, holes, unevenness, old paint, and contaminants like dust, grease, or mold.
Clean the wall with a mild detergent solution and a sponge, then rinse with clean water and allow it to dry completely.
Priming seals the surface, provides a uniform base for the finish, and improves adhesion, especially on porous surfaces.
Use a suitable filler or spackle to fill the cracks or holes, let it dry, and then sand it smooth before priming.
Use a medium-grit sandpaper (around 120-150 grit) for general sanding and a finer grit (220 grit or higher) for smoothing filler or primer.
Treat the affected area with a mold and mildew remover, following the product instructions carefully, before cleaning and priming the surface.