Proper surface preparation is the single most important step for achieving quality results in painting, especially when it comes to exterior applications. Preparation of the exterior surfaces includes the following:
Removal of old and damaged paint
- Scraping
- Wire Brushing
- Sanding
- Power Washing
- Chemical Removal
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- Removal of mildew surfaces
- Washing with a mild detergent, water and bleach solution if you have mold
- Preparation and cleaning of the area
- Covering the plants
- Caulking cracks and crevices
Preparation of the glossy surfaces
- Sanding with agrit paper
- Removal of dust with a damp rag
- Choosing the primer
- Latex based primer
- Oil based primer
- A special primer for stain-blocking
- Bare Wood
- Removal of weathered gray colors from the surface
- Thorough removal of dust
- Sanding of the wood which was previously weathered
- Priming with latex or oil based primers designed for exterior wood surfaces
- Treated Lumber
- Prior to painting the treated lumber must be made moisture-free through evaporation
- Priming should be done immediately aftercleaning
- Aluminum
- Washing of aluminum siding with a mild detergent or pressure washing
- Removal of white color oxidized areas with a scouring pad and water if necessary
- Application of a specialized primer for bare aluminum surfaces
- Iron, Steel, and Galvanized Metal
- Removal of rust with a wire brush
- Cleaning of the surface
- Application of anticorrosion latex primers and special solvent based primers for metal surfaces
- Make sure you specify the type of metal when you ask for a primer
- Masonry
- Removal of old paint and/or dirt, by sanding, scraping or pressure washing
- Application of primer specifically designed for masonry surfaces