What is a normal moisture reading for drywall?
The typical moisture content of drywall installed in interior spaces ranges from 5% to 12%. This moisture content level is considered acceptable and does not pose a significant risk of damage to the drywall or surrounding materials.
Causes of Excessive Moisture in Drywall
- Water leaks from plumbing fixtures or roofs
- Condensation due to high humidity levels
- Flooding or other water intrusion events
- Improper ventilation or air circulation
Consequences of Excessive Moisture in Drywall
- Cracking and splitting of drywall panels
- Mold growth and deterioration of drywall
- Impaired structural integrity of walls and ceilings
- Damage to adjacent building materials and finishes
Prevention and Mitigation of Excessive Moisture
- Inspect for water leaks and repair any issues promptly
- Maintain proper ventilation and air circulation to reduce humidity
- Use moisture-resistant drywall for areas prone to dampness
- Address flooding or water intrusion events immediately
- Monitor drywall moisture levels using a moisture meter
Repairing Cracked and Split Drywall
- Remove damaged drywall sections and replace with new ones
- Apply joint compound and tape to seal joints and edges
- Sand and smooth the repaired area
- Paint or refinish the repaired area to restore its appearance