The wooden shutters deteriorate over time and the harsh climate. It is therefore necessary to repaint them regularly. Take advantage of summer, which is an ideal period, since these small jobs can be done outside. Here is the advice of a professional to properly repaint its wooden shutters. Interview by Caroline Delman How to prepare the shutters to be repainted? First, remove the existing paint layer, using a heat gun that will blister the paint. Then with a riflard, lift the paint. Then comes the sanding of the shutter. It can be done with an electric sander (grain of 16) or using a simple sandpaper. How to protect your shutters before painting? A special wood undercoat is recommended. Apply a layer, wait 12 to 24 hours depending on the product, then sand the grains always with the sander or sandpaper. Which paint to choose and how many coats to apply? The most commonly used paint for shutters is a special lacquered woodwork paint. Apply a layer, wait 12 to 24 hours depending on the paint and repeat the operation for finishing. What is the average frequency with which to repaint wooden shutters? Wood is a living material and its condition depends on the weather. But on average, it can take 5 to 7 years before repainting your wooden shutters.