![]() In addition, primers are always recommended when painting surfaces such as wood, masonry and metal. This kind of exposure causes surface deterioration, which makes paint adhesion a challenge. When it comes to painting exteriors, primer is almost always needed, as these surfaces are constantly subjected to harsh conditions, such as moisture and UV rays. priming ensures the surface is sealed so the finish paint adheres and dries to a smooth, uniform finish. When to PrimeĪs a general rule, primer should be used on surfaces that have never been painted, have an uneven appearance or visible stains, as well as areas that have a dark-colored paint that will be covered with a light covered paint or have an unknown covering.įor interior walls, priming is also recommended in the case of wall repairs or remodeling, Regardless of surface type - drywall, plaster, woodwork, etc. Second is complete priming, which involves over large, bare areas or surfaces that may have dark colors or an uneven sheen. First, spot priming is for small patch areas and minor spaces where peeled paint has been removed. It's important to note that there are two types of priming. Primers are problem-solvers that are less like paint and more like glue, as they stick to whatever you're preparing and seal the substrate to ensure a good, uniform finish that will last for years to come. So let's take a deeper look at this important coating.įirst off, what - exactly - is primer? It is a preparatory coating often applied to substrates before painting that serves a number of purposes such as ensuring better paint adhesion, increasing paint durability and providing additional protection. Most painters know that one of the keys to a good paint job is priming but understanding all the ins and out of primer - from what and when to prime, to choosing the right product for the job - can be a challenge.
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