Internal wall moisture levels are crucial during construction to prevent potential damage and maintain a healthy indoor environment. It is recommended to keep moisture readings within specific limits to ensure the walls remain dry and free from excess moisture, which can lead to mold growth, structural issues, and discomfort.
What should moisture readings be for internal walls?
For internal walls, the ideal moisture content should be below 15% of their dry weight. Drywall or plasterboard should have readings no higher than 12%. Readings above 15% indicate the presence of excess moisture that requires attention.
Monitoring Moisture Levels
Monitoring moisture levels is essential during construction. This can be achieved using moisture meters specifically designed for drywall or plasterboard. Insert the meter’s probes into the wall surface and measure the readings. Multiple readings should be taken at various locations to obtain an accurate representation.
Causes of Excess Moisture in Internal Walls
- Water leaks from plumbing or roofing
- Poor ventilation leading to condensation
- Inadequate insulation causing condensation
- Ground moisture seeping into the walls
- Improper installation of vapor barriers
Prevention Measures
To prevent moisture problems in internal walls, several measures can be implemented:
- Ensure proper drainage systems and watertight roofs.
- Provide adequate ventilation through extractor fans and windows.
- Install sufficient insulation to minimize condensation.
- Use vapor barriers to prevent moisture penetration.
- Monitor moisture levels regularly and address any issues promptly.
Conclusion
Maintaining appropriate moisture levels in internal walls during construction is paramount to prevent damage, health hazards, and ensure a comfortable indoor environment. By adhering to the recommended moisture readings, implementing preventive measures, and monitoring moisture levels, construction professionals can effectively prevent moisture problems and ensure the longevity of the building.