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Wood exposed to the outside is generally subjected to severe test. Indeed, bad weather, UV rays and insect attacks all have harmful consequences on your woodwork. In order for them to last for years, it is necessary to protect them properly. To do this, offer your woodwork the preparation they deserve. For optimal protection and to let the wood breathe, varnishing your exterior woodwork is surely the best solution. You will have the choice between several types of varnish: matt, tinted or glossy varnishes. In the case of a renovation, you can also adopt the colorless varnish. Find more articles on the theme: Work quotes for fitting shutters
Varnish the exterior woodwork: the material
Before varnishing your wood, you will have to go through some preparatory work. These require adequate equipment. You will need a stripper and possibly a bottle of methylated spirits, fine-grained sandpaper, abrasives for a sander, an insecticide and fungicide treatment product and the varnish you want to apply . You will also need a spatula, a brass brush, a sander and a sponge.
The woodwork preparation stages
If your woodwork is already covered with an old paint or layers of varnish, you will have to sand it lightly then apply the stripper. For the application of the stripper, it is advisable not to do it in the sun or in the face of drafts because the stripper may freeze quickly. Once applied, you will have to let the stripper act until you see the old layer puff up. You will then have to strip the wood with a spatula for the flat parts and a brass brush for the hollow parts. Once the wood has been stripped, rinse it with water or methylated spirits, then let it dry. Once the wood is dry, sand it using the sander. If your wood has an old stain, you just need to brush it lightly to remove all the stain. In the case of new wood, you will have to sand your woodwork. To provide greater protection for your new wood, brush it with insecticide and fungicide all over the wood.
Before applying the varnish, you will need to mix it well. For the first layer, dilute your varnish with a little water to facilitate the impregnation of the wood. You can then apply the varnish to the wood using a brush, following the direction of the fibers. Once the first coat has been applied, allow to dry and then sand lightly with an abrasive with very fine grains of 240. Once the wood has been dusted off, then apply the second coat without diluting the varnish. Always make sure to smooth it in the direction of the fibers. Your protection will last longer. Tinted varnishes are recommended for exterior woodwork (doors, shutters) because they resist UV rays better and last for several years. The varnish will then act as a protective film for your exterior woodwork.