COMMON PROBLEMS
BLUSHING

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o Solutions with Paint
>Saponification
>Soft paint film
>Holidays (Missed Areas)
>Floating/Flooding
>Peeling of coating
>Salt efflorescence
>Insufficient adhesion
>Insufficient flexibility
>Haziness
>Yellowing
>Lifting
>Algal Growth
>Common Problems - Introduction
>Sagging
>Blistering
>Bleeding
>Dirt collection
>Fungi
>Insufficient film thickness
>Flaking
>Crackle formation
>Cracking
>Uneven gloss levels
>Bleeding from timber
>Insufficient levelling
>Fish eyes
>Insufficient hiding
>Weathering of timber
>Craters
>Loss of gloss
>Chalking
Sikkens: the right color

Symptoms

When humidity is trapped in woodstains
or varnishes, white spots/patches may
appear.


Cause

  • Damp substrate or humid
    atmosphere when coating was applied or during drying
  • Porous varnish/stain type
  • Water getting in (moisture ingress)
  • Insufficient coats applied, or coats applied too thinly          

Solution

Remove old varnish/stain layers; if necessary treat with wood bleach, which will restore the original wood color. Consequently treat with a new system, for example Cetol BL21 plus and Cetol BL31 or Cetol BL Opaque.