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At first sight, interior and exterior painting in action may look like similar tasks. The reality, though, is different. Knowing these crucial differences is crucial for professionals, though an average Canadian in the street would hardly notice them. Today, we are going to dive into those differences, from surface preparation all the way to product selection and the way of application.

Preparing the Canvas Surface: The Foundation of a Lasting Paint Job

This is the critical step for painting any internal or external wall, and hence, it prepares the wall for painting as much as it does the painter. When picking the paint for the interior walls of your house—latex or oil emulsion paints—the preparatory steps may appear rather common—but they are comprehensive and simple.

Direct your attention to scrapping, cleaning, sanding the walls, and ensuring that holes and cavity cracks are covered and filled. However, chalky drywall rarely needs to be hard scraped and sanded to conceptual satisfaction. Before cleaning the exterior wall, you may need to power wash part or all of it to blast off dirt and mildew, not to mention one layer or more of the paint, until you start hand scraping and sanding.

The Palette Selection: Zeroing in on the Right Paint

When it comes to interior and exterior painting in action, choose the wrong paint, and the quality of the finish and the longevity of the project will be compromised. There is a difference between interior paints, which are formulated for use in an environment that has limited exposure to extreme temperatures, moisture, and ultraviolet rays and is somewhat controlled. Interior paints tend to do less damage to the environment and are often lower in volatile organic compounds (VOCs). Exterior or outdoor-friendly paints deal with the unrelenting and stubborn forces of nature—sun, wind, rain, and temperature swings—and usually contain much heartier binders and additives.

The Brush Strokes: Application Techniques

Although the basic techniques for interior and exterior painting in action can be similar, there are some differences that top painters need to learn. The brush and roller work must be more careful and precise because spaces can be tight in the interior—like tight corners or detailed trim against ceilings and floors with varying textures. Although the exterior can have detailed spaces where efficient brush and roller work offers the best return on labour investment, exterior surfaces can be larger, longer, and wider, like siding, trim, and fascia boards. Painting these external surfaces may require painters to use spray guns and power rollers for an even and consistent finish on large open surfaces. Exterior painting must also consider wind, temperature, and humidity to ensure they affect the dry time and performance of the paintwork.

Mastering the Art: Expertise and Experience—the Perfect Blend

At Majestic Colours Painting Services, we know interior and exterior painting in action can be different disciplines. The science behind surface preparation, product choice, and method of application are very different and special for each. We are a professional team of painters who take pride in servicing both interior paints and exteriors for every type of home or business. Whether you seek a painter to change the ambience in a bedroom with interior paint or one who can prepare your home exterior for the challenges of the environment, we strive to be the residential painter that ensures you the very best results—aesthetically and functionally.


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