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Interior Painting TechniquesFour basic techniques exist for painting interiors. And while the methods of applying paint have remained the same over the years,with few exceptions, the quality of these products used in the applications have arguably improved, thus follow their explanation. With the real importance resting in the execution of painting skills, the main ways in how paint is applied are: brush – in a full spectrum of choices; with the square shaped brushes for less detailed work and the sash/angular brushes for trim and cut-in. Natural bristles are designed for use with solvent-based paints. The nylon fibered brush is for latex and acrylics. The brush shapes are maintained by their cardboard cases when cleaned and stored properly. Which will show the next time around. Typically walls are brushed in at the border before rolling. roller – normally comes in 7”or 9” widths. Howver many a painter has been know to saw the nap to fit the narrow cages -- but beware since this practive can result in increased shedding on the surface. And to help address the problem of shedding, before rollering, its a good idea to wrap blue tape around the nap pressed lighly. Then remove to lift the loose fibers which will prevent them from transferring to the wall. Usually for repaints: a 3/8” thick nap will do for glossier paints and 1/2" for flatter sheens. For new drywall, up to 3/4” naps do the trick. If rolling oil or solvent based paints, either a mohair nap or a foam nap will help make the application become shedless. To apply paint to tight spots - tthe thin ‘hot dog’style roller normally gets in easily around cabinets, inside closets, around laundry and tight utility areas with piping and behind toilets. They are handy even for getting the paint material on doors panels before brushing out. For some of the cleanest applications, woven or foam naps are the preferred roller nap. One way to extend to life of naps is wrap them foil, which is pliable and seals out the air - though not for too many cycles on the same nap or too repeatedly, and you will buy fewer naps as a result. spray – mainly the pumps are utilized by the pros. But if gotten at the local rental yard, be extra cautious, since the lines can clog without too much effort and they tend to not get cleaned as they should. Types of spray include: electrostatic (mainly for interior metals & fine finishes) and HVLP - high volume low pressure for applications such as doors – though the hvlp approach does mean only a single pass with the paint and therefore no touch-up -- due to the fact that touchup is visibly noticed on the ultra-smooth coating.. The last type, the airless sprayer, normally satisfies needs for production across a diverse range of surface applications. Although it does occasionally require an additional step, it still is worthwhile under most circumstances.For example, like when spraying paint or sealer with a capable gpm (gallon per minute) outfit onto new absorbant drywall -- common practice, is that another painter backrolls the material evenly across the wall while working it in. - Same concept for any number of porous surfaces with the airless rig.. |
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