McPherson Quality Painting and Water Proofing
Peeling results when wet wood expands and contracts,
causing the paint film to loosen, crack and eventually fall off.
· Moisture or water seeping into the painted wood surface through uncaulked joints, worn-out caulking or leaks in the roof or walls.
· Exterior moisture escaping through the exterior walls
(more likely to occur if the paint is oil-based).
· Vegetation giving off moisture too close to the wood.
Painting over damp wood
Power washing the wood and not allowing sufficient time for the wood to dry.
· Preparing the surface inadequately.
· Painting wood boards too close to the ground,
Using a low quality economy paint.
1. Identify and eliminate all sources of moisture. Inspect the outside of the building, especially windows, trim areas and other joints. Repair leaks in the roof, clean out gutters and downspouts. Cut away vegetation from the wood if you suspect it may cause peeling
If moist air is originating from inside the building, consider installing vents or exhaust fans, especially in kitchen, laundry and bathroom areas.
If moisture is rising from the ground through the masonry, waterproof the foundation with a specially designed coating. Remove the portion of the wood that is touching the ground. Siding should come down no further than 6 inches above the ground.
You can correct peeling from moisture on siding by inserting small plastic or aluminum wedges or shins in between the nail heads under each board.
Note: If it is not possible to eliminate the source of moisture, repaint the stripped wood with a thin coat of latex paint. A water-repellent solution may be applied to exposed wood.
2. Remove all loose paint with a scraper or wire brush, down to the bare wood if necessary. Feather sand rough edges for a smooth appearance and rinse thoroughly with a hose, Power washing is recommended for larger areas (let wood dry for 3 to 5 days before priming).
3. Prime bare wood with the appropriate primer (see Specifications Guide). Allow it to dry one or two days before applying the top coat.
4. Repaint with two coats of a high-quality acrylic latex paint.
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Photos - just completed Victorian and other job sites
Paint Problems and Solutions:
Peeling from wood
Tips for the "do it yourself"
Quality paint vs.ordinary paint
How to estimate paint quantities
Selecting the right sheen
Window painting made easy
Low Odor Paint Article
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