Interior Problem Solver - Caulk Failures

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Caulk Failures

Description:
Loss of caulks initial adhesion and flexibility, causing painted caulk to crack and/or pull away from the surfaces to which it is applied. This causes the paint film to fail.

Possible Cause:
• Use of lower quality caulk.

• Use of wrong type of caulk for particular application (e.g., using latex or vinyl caulk in areas where there is prolonged contact with water or considerable movement of the caulked surfaces).

Solution:
Use a top quality water-based all-acrylic or siliconized acrylic caulk if prolonged contact with water is not anticipated. These caulks are flexible enough to adapt to minor fluctuations in the substrate, stretching in gaps that widen slightly over time. They also adhere to a wide range of interior building materials, including wood, ceramic tile, concrete, glass, plaster, bare aluminum, brick and plastic even in areas where moisture is present.
Note: Pure silicone caulk should not be painted.