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Sagging

Paint flows downward causing uneven opacity and thickness.

Cause:

Remedy:

Applied too thick a coat
Applied over greasy surface
Improper solvents
Paint may contain high percentage of heavy
extenders.

Apply in correct coat thickness
Apply over properly cleaned surface
Use proper solvent
Use Correct Quality Paint

Cracking / Flaking

Cause:

Remedy:

Primer / Undercoating used is not of correct quality
Applied in thick coat
Application over old cracking paint
Poor quality of paint used

Use good quality primer/undercoating
Apply in correct coat thickness
Remove completely old paint film before repainting
Use good quality of paint

Brush Dragging

Leaves thick brush marks

Cause:

Remedy:

Improper Solvent used in paint
Improper medium used in paint
Application done under hot dry
Application done on an absorbing surface
Paint not properly thinned before application

Use correct solvent
Use correct quality of paint
Avoid paint on hot surface
Paint on properly prepared surface
Thin the paint properly with correct thinner.

Blistering

Formation of bubbles on painted surface.

Cause:

Remedy:

Application over moist surface
Recoating done when previous coat is not dry
Application over incorrect system
Use of incorrect thinner for thinning
Poor quality paint

Apply over dry surface
Recoat only when previous coat has dried
Select correct system
Use correct Thinner
Use good quality paint

Patchiness of Colour

Uneven colour patches.

Cause:

Remedy:

Faulty brushing
Applied over surface not uniformly scaled
Faulty paint
Applied over damp surface

Avoid over brushing / Use correct quality of Brush
Apply on prepared surfaces
Apply correct quantity of paint
Apply over dry and clean surfaces.

Chalking

Cause:

Remedy:

Application over powdery surface
In case of cement paint not properly cured with water.
Used incorrect system
Poor quality of paint

During repainting old surface should be properly prepared.
Cure Cement Paint with enough water particularly in hot and dry season
Use correct system
Use good quality Paint

Bleeding

Solvent separating out of paint

Cause:

Remedy:

When surface not properly cleaned
Due to use of wrong thinner
Old coat of paint
Wrong selection of paint

Clean surface well before painting
Use correct Thinner
Remove old coat of paint particularly bleeding type before repainting
Select top coat which will not affect the previous coat

Slow Dry

Cause:

Remedy:

Applied too thick a coat
Applied over greasy surface
Wooden surface having moisture and resinous matters
Improper thinner used during thinning
Old or Poor quality paint

Apply correct coat thickness
Apply on clean surface
Use seasoned wood
Use correct thinner
Avoid use of very old paint
Use good quality paint

Blooming

Fine coat of whitish haze on surface

Cause:

Remedy:

Application done under very humid conditions
Application done with improper ventilation
Applied over absorbing surface
Correct quality primer or undercoating not used
Applied over surface with moisture
Finishing coat applied before proper drying of previous coat
Paint may be of poor quality
Use of incorrect thinner

Avoid painting in humid atmosphere
Use proper ventilation
Apply over properly prepared surface
Use correct quality primer and undercoating
Apply over dry surface
Apply when first coat has been properly dried
Use good quality paint
Use correct thinner

Efflorescence

White patches like fading

Cause:

Remedy:

Dampness in the wall
Correct Primer not used

Apply paint over dry surfaces. Prevent seepage of water
Use correct Primer

Fungus

Cause:

Remedy:

Continuous dampness of wall

Use anti-fungus wash
Apply putty before painting on fresh walls

Poor hardness

Cause:

Remedy:

Too thick a coat
Applied over greasy surface
Recoating done over previous coat not dried properly
Improper ventilation
Improper baking schedule followed
Poor quality paint

Apply correct coat of thickness
Apply over clean surfaces
Apply paint over properly dried coat
Provide correct ventilation
Follow correct baking schedule
Use good quality paint

Streakiness

Streak of dark colours

Cause:

Remedy:

Too much thinning
Paint not uniformly stirred before application
Surface not properly cleaned
Poor quality of paint
Use of incompatible strainer

Thin correctly
Stir paint thoroughly before application
Apply over clean surface
Use good quality paint
Use correct Strainer

Poor Adhesion

Cause:

Remedy:

Application over greasy surface
Applied over absorbing or rusted surface
Applied over wrong primer
Use of improper Thinner
Correct system for painting not followed
Poor quality paint

Apply paint over properly cleaned and properly primed surface.
Select correct Primer
Use correct Thinner
Follow correct painting system

Wrinkling

Cause:

Remedy:

Too thick a coat

Apply correct coat of thickness

Fading of Colour

Cause:

Remedy:

Poor quality paint

Use good quality paint.