Moisture Blistering and Peeling

Moisture Blistering and Peeling

When excessive moisture gets into painted wood, the paint may blister and peel, this condition is termed Moisture Blistering and Peeling.

Possible Causes

Solutions

• The first step in solving a moisture problem is to Locate the Source of water causing the moisture problem.

• The Possible Sources of troublesome water that can affect paint life on exterior wood surfaces are:
1. Outside Water Penetrating the wood.
2. Inside Liquid water soaking through the wood.
3. Inside Water Vapour passing through walls, condensing and soaking the wood.

• Treat the exposed end grain and joints with water repellent preservative to minimize problems caused by water.

• Fill open joints, cracks and holes with high quality paintable latex caulking compound.

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