A fresh paint job has the power to totally transform the look of one’s house in less time and for less cash than any other re-modelling project. Properly applied, new internal paint should last for a good 10 years and external paint should last 10 years depending on weather exposure, provided one uses top-quality paint products applied with care and to specification, most importantly, clean and sands every surface first. But before that – it is always helpful to know and understand the various types of paints that are available in the market.
Used on new, uncoated surfaces, primer protects the material beneath and provides a good base for further coats. Most paints can be sprayed with the right sprayer. Oil-based and water-based primers are available. Traditionalists prefer to use oil-based primer before oil-based paints, especially on exterior woodwork. Plaster and masonry are usually primed with a coat of latex paint diluted with 10 per cent water, known as a “mist coat,” although a stabilising primer or solution may be needed if the surface is flaky or powdery. Special primers for other surfaces such as tiles or melamine are also available, and can be over painted with normal paints.
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An acrylic-based, versatile paint type, Matt Acrylic is normally used for interior or exterior walls. Many types of finish are available: dead-flat matt, matt, a water-based Lo-Sheen. Some formulations contain vinyl to make them more hardwearing. For use in a sprayer, dilute with 10 per cent water. Matt or Lo-Sheen are best used on siding materials (barge boards, weather board or cladding) it can help the material cope with moisture.
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More durable than flat, Lo-Sheen has a slight sheen is for interior as well as exterior. Always check the exact finish because the degree of sheen varies between manufacturers. It is most commonly used on interior surfaces as an alternative to semi-gloss, although some manufacturers will specify that the paint may be used on exterior surfaces. Lo-Sheen can also be used on wall surfaces where a hardwearing finish is required as it is easier to clean. Two coats will usually give an even finish, use primer as first coat if required only on new surfaces.
If the surface is gyprock, it is recommended to use one coat of Acrylic Undercoat as the primer. In case of plaster or plasterglass being the base surface, it is advisable to use one coat of oil based Superseal.
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Gloss and Satin Enamel
A durable finishing paint, gloss or satin is used mainly on wooden and metal surfaces. Satin Enamel is used in the same way, but is slightly less shiny and is increasingly popular, only for interior woodwork. Both solvent-based and latex-based versions of gloss and satin paints are available. Acrylic-based paints are easier to apply and less prone to “yellowing” with age, but do not provide as high a shine or hardwearing a finish as solvent-based paints. Gloss enamel is suitable for interior or exterior use, Satin enamel is interior use only. Some glosses are formulated especially for exposed exterior surfaces. Gloss or Satin Enamel is generally applied as a two coats over one coat of primer.
(Note: Deluxe Coatings would not recommend water-based gloss or satin for interior woodwork.)
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Water-Based and Solvent-Based Paints
Paints are made up of pigment and a binder. Water-based (latex or acrylic) paints use water for a binder, solvent-based paints use mineral spirit, and some specialty paints use thinner. Natural wood finishes are also water or oil-based. If you are using a mineral spirit or thinner-based product (also sold as solvent-based) plan how you will dispose of excess paint. There are regulations. More natural or eco-friendly alternatives to oil are available, and include alkyds. They are made of renewable materials such as plant oils, contain fewer preservatives, and their manufacture is less polluting.
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Good-quality paints will perform well in all domestic situations as long as they are used with the right primer and applied on the surface they were designed for. However, sometimes it can be worth using paint formulated for a specific task.
Designed to reflect radiant heat, this acrylic exterior paint helps lower external wall temperature. Actual temperature change depends on a number of variables, including the amount of sunlight or shade already on the property and the paint colour chosen. This type of paint is suitable for use on cement and clay tiled roofs, metal deck and caravan roofs and is only available in pastel colours.
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Whatever your choice may be, Deluxe Coatings has a wide range of high quality paints available that offer long lasting aesthetic value as well as protection to your cosy nest. Browse our products here today!