Temperature Blistering

Temperature Blistering

When bubble-like swellings occur on the surface of the paint film, as early as a few hours or as long as one or two days, after painting, the defect is termed Temperature Blisters.

Possible Causes

Solutions

• When Liquid Thinners in Fresh paint Change to Vapours after a thin, dry skin has formed on the outer surface of the film.
• Usually, oil-base paints blister this way.
Follow the direction of the sun, when painting to avoid temperature blistering, around a building.
Dark Paints absorb more heat and are more prone to temperature blistering than white paints. • Paint the north and east sides in the morning, after the surface has been warmed.
• Paint the south and west sides in the afternoon.
Thick Coats of Paint are more likely to Exhibit temperature blistering than thin coats. • Let the paint dry for a few days (If temperature blistering has formed).
• Scrape off the blisters.
• Smooth the edges with sandpaper
• Repaint the affected area.

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