Paint Primer and Its Types

A paint job is incomplete without the primer. Paint Primer is similar to paint but it goes underneath the finish layer of paint. Primer is the most useful and powerful aid in a painter’s toolbox as the application of right primer can increase the durability of your paint job for many years. The primary function of primer is to bind wall surface with the paint layer. It makes your wall surface smooth, uniform and very compatible for application of paint coat.

Along with binding the surface to the paint coat, primer also solves common problems that occurs while preparing the surface. Primers cover the stains on the wall as well as old painted surfaces, recovers moisture damage, odors and color changes etc. To get a great looking and long lasting finish, choosing the right primer for your paint job is a crucial task.

There are basically three types of primers, depending upon the type of the paint. They have their own advantages and disadvantages according to the type of surfaces and circumstances (interior and/or exterior painting).


Oil based primers are the primary choice of painters as they are very versatile in use and works fine for latex based paints as well. They are compatible with almost all kinds of surfaces including exterior and interior wall surfaces, metal surfaces, wooden surfaces etc.

These primers are ideal for every surface because they cover the stains on the wall, cover the cracks and any other porous surfaces and prepare an ideal surface for the application of a paint coat. As they help cover the pores, it stops wood from releasing tannins or any other kind of liquid. Primers also stop moisture from getting inside the paint which slows down other major paint problems like peeling and blistering.


Latex based primers are ideal for surface preparation of a drywall. They are as effective as oil based primers in covering wall stains and giving uniformity to the wall surface. Latex-based primers are very economical and easy to use. They are very flexible in terms of application, dries quickly and can be cleaned very easily with the help of just soap water.

They cover the small inequities, pores, cracks on the wall surface and are resistant to flaking, yellowing, peeling and blistering.

Shellac Primer

Shellac primer and wooden surfaces go hand in hand. There is no better alternative for sealing wooden surfaces than shellac primer. Shellac primer covers the severe stains on the wall better than any other primer. Whether it is a water stain or smoke damage, shellac based primers are very useful in coating those stains. They are an excellent choice for covering Wood Trim, Door Frames, and Door Jambs, Plaster, Wallpaper etc.

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