Painting your house following flood damage
Flooding can cause extensive damage to a home, not just from water intrusion but also from the damp and humid conditions that can follow.
After NZ has seen the devastation that extensive flooding can do, we have put together some information to help out when it's time to repaint following flood damage.
To prevent additional paint damage, it's important your house is water tight as soon as possible after flooding. Depending on the extent of the flooding, it's important to have a professional inspect your home to make sure its structurally sound and safe - including all electronics - and safe to re-enter.
Safely remove all debris, mud and water. Wear suitable protective clothing and gloves. Proper ventilation is crucial to help dry out damaged surfaces. Ensure that affected areas are well ventilated by opening windows and doors (if weather permits) or use dehumidifiers and fans to help circulate air.
All flood damaged plasterboard, insulation, and timber that cannot be saved should be removed and replaced. Sound and completely dry surfaces can be cleaned with Selleys Sugar Soap. Mould may have started to show in some areas but it is recommended to treat all affected areas, including those above the water level, with Selleys Rapid Mould Killer as mould can be present but not visible prior to repainting.
Here’s how to treat mould and some steps you can take to help prevent it from returning.
Interior wall painting guide for previously painted surfaces
The instructions below provide details for existing substrates and previously painted surfaces.
Interior wall painting guide for new surfaces (paperfaced plasterboard and exposed GIB® board)
The instructions below provide details for surfaces with new paperfaced plasterboard (or exposed GIB® board).
Exterior surface re-painting guide
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