AAA Affordable Painting spraying
The main limitations are overspray and difficulty to control. Both of these can be overcome with planning and practice.
Other limits deal with ruff surfaces. Paint spraying is great for smooth surfaces, but can’t properly fill the pores of stucco and concrete block.
Carefully examine the limits of spray painting and plan accordingly. Planning starts with the preparation of the home for painting. The same attention to details like removing peeling paint and applying caulking are the same as with any application method. The similarities stop when the masking begins.
Preparation Before Spraying Paint
Overspray is a big problem for airless sprayers and you need to cover all items completely. Assume anything near or in the immediate area when spray painting will get some overspray.
Cover all windows and doors completely with plastic and tape. Plus, any other items you don’t want painted will need to be removed or masked with paper or plastic. Don’t assume you can shield everything and get away with it.
Extensive areas must be covered with drop cloths. This includes sidewalks, decks and fences. Spraying slow drying materials on windy days, such as oil base primer or paints and stains, is a big risk. The overspray can drift for substantial distances. Placing neighboring houses, cars and plants at risk.
Paint Spraying Safety
Airless paint sprayers are inherently dangerous, producing pressures as high as 3000 psi. Never point the spray gun at another person or yourself. The stream of paint can be injected under the skin and will require immediate medical attention.
Other hazards while spray painting are to your lungs, eyes, skin and hair. Protect your lungs with a high quality particle mask or respirator with an approved rating for the type of material being sprayed. Eyes and skin are covered with safety glasses and a lightweight spray suit. Protect your hair with a “spray sock”. This is a light cotton or nylon ski mask. Any remaining facial skin can be covered with petroleum jelly. This will make cleanup easier.
All of this clothing will be difficult to work in on a hot day, but is necessary if you will be spraying oil base primer, paint or stain.
Airless Sprayers and Tip Sizes
Choosing an airless sprayer depends on the material being sprayed and the needed versatility. Sprayers are pumps driven by electric motors or a gasoline engine. Types with gasoline engines are more powerful and capable of pumping a variety if paints. This extra power is necessary for very thick coatings, such as Elastomeric paint. Electrically powered airless sprayers are more versatile. (Example- can be used indoors.) This makes them the best all around choice for regular primers and paints.
Tip size is also dependent on material being sprayed. Many homeowners and professionals choose a spray tip that is too large thinking this will speed up the spray painting. Yes a large tip will speed up the paint spraying, but will also produce unsightly runs or very thick areas.
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