Instructions Of Interior Painting

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Interior painting requires as careful planning of surfaces as does exterior painting. The introduction of odorless paints now can help you paint any time of the year. Formerly, most interior painting in the home was done in the fall or spring, when it had been possible to leave the windows open to ventilate the room. But open windows brought dust particles in to the room to mar the finished painted surface.

A good interior paint job is frequently 50% preparation and 50% painting. Do not rush in preparing the surfaces in your eagerness to get at the brush or roller. If you don't prepare the surfaces properly, you will be back with the paint brush or roller in a couple of months.

In this section you will find the necessary information on the use of several types of paints on various interior wall structure, ceiling and floor materials.


New dry plaster in good condition, which is to be done with a paint apart from water paint, should be given a coating of primer-sealer and allowed to dry thoroughly before staying inspected for uniformity of appearance. Variations in gloss and color differences regarding tinted primers indicate whether or not the whole surface has been completely sealed. If not, a second coat of primer-sealer ought to be applied. If only several "suction spots" are apparent, a second coat over these areas may be sufficient.

A flat, semi-gloss, or high-gloss finish may be put on the primed surface. For a set finish, two coats of smooth wall color should follow the priming coating. For a semi-gloss end, one coat of flat walls paint and something coat of semi-gloss paint ought to be applied to the primed area. For a high-gloss surface finish, one coat of semi-gloss color and something coat of high-gloss enamel should be used over the priming coat.

Before applying normal water paints of the calcimine type to new plastered walls they should be sized, using the glue-water sizing or, if the plaster is dry, a slim varnish or primer-sealer.

Cold water paints of the casein sort may be applied either right to a plastered surface, or the top may be first given a coating of primer-sealer to equalize uneven suction outcomes. The same will additionally apply to resin-emulsion paints, with the recommendations of the manufacturer of the product being given preference in case of doubt. Since resin-emulsion paints typically contain some oil in the binder, they ought to ordinarily be applied only to plaster which has dried thoroughly.

Texture wall paints could also be used on plaster surfaces. The benefits of this kind of paint are that one layer economically creates a textured decoration and relieves the monotony of clean flat paint. It also includes cracks or patches in the plaster more completely than ordinary wall paint. The disadvantages of texture wall color are they Collect dust and so are difficult to restore to a smooth finish off. These materials can be found as water-or oil-based paints, will be thicker than ordinary wall paints, and could be applied to wallboard as well as plaster to produce textured effects such as random, Spanish, objective, and multicolored.

Composition Wallboard

Composition wallboard generally presents no particular painting problems if the ordinary precautions are observed, such as making certain that the surface is dry and free from grease and oil. The painting process of wallboard is the same as for plaster; it needs a priming and sealing coating followed by whatever finishes coats are wanted, or could be given one-coat flat or resin-emulsion type paint.


Water-thinned paint may be applied to wallpaper that is well- bonded to the wall structure and does not contain dyes which may bleed into the color. One thickness of wallpaper is certainly preferable for paint application. Paints other than those of the water-thinned kind may also be applied to wallpaper by following guidelines given for painting plaster. Franklin Painters However, wallpaper coated with this type of paint is difficult to eliminate without problems for the plaster.

Wood Walls and Trim

New interior walls and lumber trim should be smoothed with sand-paper and dusted before painting or varnishing. To protect the grain of the real wood, the surface may be rubbed with linseed oil, varnished or shellacked, and waxed. If an opaque surface finish is desired, semi-gloss color thinned with 1 pint of turpen-tine per gallon of paint or the primer-sealer earlier described for walls may be used as a priming layer on wood. A couple of coats of semi-gloss color should then be applied over the thoroughly dry prime coat, or in case a full-gloss finish is desired, the last coat should be a high-gloss enamel.

Masonry Walls and Ceilings

Interior masonry wall space and ceilings above quality may, in general, be painted in quite similar manner as plaster surfaces. Right here again, it is necessary to allow adequate period for the masonry to dried out before applying paint and, in addition, attention should be given to the preparation of the surface. When decorating a wall containing Portland cement (concrete, for instance), it is essential to take precautions contrary to the attack of alkali. For this purpose, alkali-resistant primers such as for example rubber-base paints may be used when oil paints are to follow.

Cement-water paints are suitable for application to basement wall space which are damp because of leakage or condensation. To use these paints, exactly the same procedure ought to be followed as is described right here for painting exterior masonry wall space.