Homeowner checklist

House wraps and WRBs: rain control and wall drying

Use these steps to plan, check and keep a record of your next actions.

• Ask which wall layers manage rain, air leakage and vapour diffusion.
• Confirm the proposed membrane’s product data and intended functions.
• Request details for laps, openings and drainage outlets.
• Have the complete wall’s drying potential reviewed before changing a layer.
• Keep the installation specification and photos of concealed connections.

Notes & questions to follow up