How To Paint Knots In Knotty Alder Doors

Painting knotty alder doors or any previously stained door requires careful preparation to achieve an impeccable and beautiful paint finish. Alder doors contain several knots, which often contain tannin, sap, and stains from the factory finish. Painting on Alder door knots without a dressing allows tannins and age spots to bleed through the newly painted surface, ruining the finished product. Depending on the number of doors you need to paint, you can easily prepare and paint the doors knots in just one day.

Knotty Alder Doors Kitchen Cabinet

Instructions to Paint Knots In Knotty Alder Doors

Protect the work area. Place the covers on both sides of the knotty alder doors, or place a large piece of cardboard under the door. Blue painters wrap tape around the doorknob. Sand each knot in the door, with 80 grit sandpaper. The sandpaper penetrates the stain and the front door varnish and opens the pores of the wood for priming and painting. Pour the gallon of oil-based sealant into a clean, empty bucket. The primer is agitated thoroughly, using a stirring rod. Hang a screen of metal paint inside the bucket.

Insert a 4-inch paint roller into a matching handle. Use a 1/2 inch hair roller to facilitate the application of the primer. Lightly immerse the Whizz roller in the KILZ primer bucket and roll the excess material on the paint screen. Do not immerse the depth roller in the bucket. Apply a generous amount of primer, but do not leave drips or a large accumulation of material on the surface your knotty alder doors.

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12 How To Paint Knots In Knotty Alder Doors Photos