The most effective way to do this is to use a pressure washer.
Caulk wood plank siding before painting.
Then make sure the coating is completely dry before applying the 2 nd coat.
Once all caulk is dry and your siding is clean you ll paint hardie plank with a high quality exterior grade acrylic latex.
Wash it down with a hose once the caulk has dried the outbuilding can be given a good rinsing with a garden hose and scrub brush to knock off dirt sawdust and other debris that may prevent paint from properly adhering.
A professional exterior painting expert will use a spray application for a smooth factory like finish.
The next place would be the soffits or the plywood underneath.
For more about repairing wood siding see how to repair wood board and shingle siding upon completing the steps shown here dust off the sawdust and caulk any open seams.
Trim boards that sit on top the siding.
House siding collects a fine film of chalk and dirt and even if you can t see it it s important to remove it before you paint.
Pros and cons of painting hardie plank siding.
Any product intended for.
When you take special care with caulking siding before painting you can count on your exterior paint job lasting longer.
The places on the exterior of the house that need careful caulking before painting would be the fascia board joints of the overhang.
Also any butt joints and joints at the peak of diagonal fascia boards.
Stucco cracks can be filled with special patching compounds or caulking prior to painting so you get a smooth crack free finish after exterior stucco painting is complete.
Caulk is a substance designed to seal a joint between two surfaces and to fill small holes.
If your exterior siding has sustained damage you can patch it with filler but it has to be the right kind of filler.
The caulk not only protects the wood but gives a nice clean look to the architectural details of the structure by removing shadow lines.
Prime any bare wood with a latex primer that is tinted toward the finish color and allow the primer to dry thoroughly before starting to paint.
Filling cracks and holes with caulk in your home s trim and siding before painting not only makes the paint job look better but also makes the paint last longer.
Particularly at the corners where they are mitered together.
It s also recommended to use a cloth or rag ready to wipe up and smooth excess caulking before it sets on the siding what should never be caulked.
Minneapolis house painters recommends paying attention to corners and crevices as well as trim boards around windows and doors.
Correct way to apply wood filler to exterior siding.