Common Problems

Your business matters to us. We've put the below table together to help you figure out possible solutions to some of the most common issues we hear about on a day to day basis. Whether it’s damp, or moisture issues affecting your surface, or even dealing with mould mildew, we have everything you need to complete your project and overcome any issue.


Common problems
ProblemPreparationCleaning productBasecoat
AlkalineDry brush the area with a stiff bristle brush.Dulux Trade Alkali Resisting Primer,
Zinsser Bullseye 1-2-3®
Blistering, bubblingClean surface and allow to dry. Remove loose material
and feather sound edges with fine abrasive paper.
Cleaner/degreaser/
mould killer
Use an appropriate Dulux Trade
primer
for surface
Chalky painted surfaceDry brush the area with a stiff bristle brush.Fungicidal WashDulux Trade Alkali Resisting Primer,
Zinsser Grade 1®
Chalky wall surface
(weathered exterior)
Dry brush the area with a stiff bristle brush.Cleaner/degreaser/
mould killer
Dulux Trade Weathershield Stabilising Primer,
Zinsser Grade 1®
Damp, moistureClean surface and allow to dry. Remove loose material
and feather sound edges with fine abrasive paper.
Cleaner/degreaser/
mould killer
Coo-Var Anti Damp Paint,
Zinsser Watertite®
EfflorescenceDry brush the area with a stiff bristle brush.
Clean area and allow to dry
Cleaner/degreaser/
mould killer
Dulux Trade Alkali Resisting Primer,
Zinsser Watertite®
Fire protectionDulux Trade Pyroshield, Thermoguard,
Bollom for Metal and Timber
Fire damage, smoke sootDry brush the area with a stiff bristle brush. Clean area
and allow to dry.
Dulux Trade Alkali Resisting Primer, Polycell Stain Block,
Zinsser B-I-N®, Zinsser AllCoat® (Solvent Based)*
GermsDulux Trade Sterishield
MildewRemove loose material and feather sound edges with
fine abrasive paper. Clean surface and allow to dry
Fungicidal Wash
Zinsser B-I-N® (for interiors)
Zinsser Cover Stain® (for exteriors)
MouldRemove loose material and feather sound edges with
fine abrasive paper. Clean surface and allow to dry
Fungicidal Wash
Dulux Trade Mouldshield
OdoursClean surface and allow to dryCleaner/degreaser/
mould killer
Zinsser B-I-N®
Porous surfaceClean surface and allow to dry.Cleaner/degreaser/
mould killer
Dulux Trade Alkali Resisting Primer
Powdery surfaceDry brush the area with a stiff bristle brush.
Clean area and allow to dry
Cleaner/degreaser/
mould killer
Dulux Trade Alkali Resisting Primer
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