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Surface Preparation | Wood Surfaces |
| Seasoned wood normally presents no difficulty. Dry timber rapidly absorbs moisture; priming should be carried out if possible before delivery to the site. Dry, un-primed timber on the site should be primed without delay. Prime all back edges which, when fixed, will be inaccessible. Double prime all end grain. Sandpaper the wood to remove dirt and dust off. Brush the primer well in and avoid fatty edges.
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For most purposes the most suitable primer is white wood primer. For softwoods the primer should be oily enough to satisfy absorption and still bind the pigment particles left on the surface. For hardwoods the primer should be Aluminium Wood Primer thinned with up to ten per cent white spirit to assist penetration. Woods with considerable variations of absorption and woods with high resinous content (e.g. Colombian Pine) should be primed with Aluminium Wood Primer. Woods with high oil content e.g. teak, cedar, should be washed down with solvent before priming. Wood primers provide a good foundation for subsequent coats and promote overall film durability. Unseasoned wood is unsuitable for paint systems. However, if it cannot be avoided Sadolin ‘Pinotex’ PX 65 wood preservative should be applied |
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