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I want to stress that applying a house primer is the key to having a long-lasting exterior paint job.  Learn in the video below how priming house before painting exterior and all the types of primers to use.

3 Steps Before Priming House Siding

So before painting your house siding, make sure you do the necessary steps to prepare your home siding for the primer:

  • Cleaning – make sure the siding and areas to be stained or painted are properly cleaned;
  • Scraping – make sure you scrape all loose and flaking paint or stain; and
  • Sanded – sand down all rough edges where you scraped and power washed

Priming House Before Painting Exterior

Primers are designed to penetrate, and seal surfaces that they are being applied to.  If you have a cedar-sided home, the primer is designed to penetrate and seal the wood.  By sealing the wood, it will block out some of the natural tannins that the wood will create over time. Once you have primed your house, make sure that you have chosen the correct exterior paint color for your home style.

Unfortunately, some painters will paint right over the wood without priming it first.  The paint or stain will not stick very well, over time.  That is because the paint or stain is not designed to penetrate the wood surface as well as a primer.  It might look good for a couple of years, but when it fails, with will fail very quickly.

Two Types of Exterior House Primers

There are two types of primers on the market:

  1. Oil-based primer; and
  2. Acrylic-based primer

Both of these products work extremely well.  Sometimes it comes down to the individual professional and what they like to work with.


To sum up, it would be an excellent idea for you to walk around the exterior of your home and see how well the existing paint or stain is adhering to your siding.  Determine how many years ago you painted or stained your siding.  If you start to see some failing happening, I’d suggest getting your home cleaned, scraped, and sanded.  Then have a proper primer applied to the raw wood areas of your exterior siding. Then use a good quality paint or stain. This should give you a good 7-10 years before your home siding should need it again.

If you are searching for the best exterior painting contractor near me, give me a call! Give me a call if you need an estimate on priming the house before painting the exterior. My team and I would love to be of service to the Northwest Indiana communities such as Long Beach, Beverly Shores, Lake of the Four Seasons, Schererville, Kreitzburg, Michigan City, Grand Beach, and New Buffalo, and all of the Chicago area for 30+ years.

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