Drying a damp wall: follow its condition before repainting

Installing a treatment does not immediately make a wall ready to paint. Define which source of water has been addressed and how the materials will be observed.

Before choosing equipment, prepare a plan and dated photographs. Help Humidité provides product pages and instructions so you can examine the reference and positioning before purchase. If the moisture cause remains uncertain, clarify it before deciding on treatment and identify any independent repairs still needed.

Set a clear starting point

Keep the date and scope of the intervention: a repaired leak, outside water management, ventilation or a rising damp device. List any unresolved sources. Choose fixed areas and take pictures with similar framing and light. Record heating and ventilation changes. If measurements are taken, retain their location and method, rather than directly comparing readings from different materials or instruments without an explanation.

Check before replacing finishes

Thickness, salts and existing coatings can make drying less straightforward to interpret. Touch or a lighter appearance does not always describe the inside of the wall. ATE and ATG are offered for rising damp, while removing and preparing damaged plaster are separate tasks. Check paint or lining requirements before covering the substrate. A universal deadline does not replace an assessment of the wall and any remaining water sources.

Before you decide

• Document the walls and possible water sources.
• Check the model and installation instructions.
• Separate fitting, monitoring and reinstatement of finishes.

A practical question

Is there one drying time for every home?

No. Materials, thickness, finishes and building conditions differ, and monitoring should take those differences into account.

Compare our wall drying devices

The range includes mains-powered ATE LC15, ATE LC30, ATE LC30 PULSE and ATE MAX, alongside ATG LC15 and ATG LC30 without electricity. The devices are manufactured in Castres, France. Compare the diameter with the building layout and follow the instructions. The manufacturer’s 10-year warranty applies under its conditions. The device does not replace independent interventions on leaks, penetrating water or ventilation.

ATE LC15 · ATE LC30 · ATE LC30 PULSE · ATE MAX · ATG LC15 · ATG LC30