Humidity Cracking Bathroom Wall

This article describes the common causes of all types of cracks that appear in drywall or gypsum board or plasterboard walls ceilings in building interiors.

Humidity cracking bathroom wall.

Excessive moisture in a home due to a high level of humidity in the basement and or foundation. The painting surface or surroundings were moist. Proper ventilation can fix most interior moisture problems. Like other wall cracks these can be re taped and painted.

It s not only an. When exposed to low humid environments over a prolonged length of time however it may cause the walls to crack open. When humidity levels are too high in a home for a prolonged period the water can dissolve the bond the paint has on the wall causing the paint to bubble peel stretch or crack. Fluctuations in temperature and humidity levels can cause framing members and drywall to expand and contract resulting in cracking.

Illustrations show where cracks are most likely to appear explain why and suggest both repair approaches to drywall cracks and how to prevent cracking in plasterboard or gypsum board. Proper ventilation in the walls and or roof of the home may be necessary. Drywall cracks in ceilings or walls. To keep bathroom paint from peeling run a bathroom fan that s vented to the outside every time you shower or bath and keep it running for 10 15 minutes after you re through to expel as much of the moist air as possible.

Peeling paint is a common problem in bathrooms due to the high humidity and moisture found there. Is it the drywall wall or is my house just too dry or too wet and that is why the paint cracks and peels. Bathrooms can be hostile environments for paint because of the high moisture levels. To prevent humidity related damage from occurring to your walls you should get into the habit of monitoring the relative humidity on a regular basis.

High moisture areas such as bathrooms with showers should have exhaust fans installed. As previously stated an ideal rh for most indoor environments is 30 40. Cracked paint in a bathroom is usually due to the underlying substrate plaster or drywall deteriorating or flexing with temperature and humidity changes. Excess moisture on your painted walls whether from water droplets high humidity leaks or plumbing problems can cause water filled bubbles in.

High humidity can also create pockets of moisture in the walls of your home which can cause drywall to become soggy and flake away over time. In my bathroom you can just pick the paint off like peeling skin on a sunburn and it goes all the way down to the drywall and the paint has turned rubber like when it comes off.