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What Is Making My Paint Peel on the Exterior of My Home in Saskatoon?

peeling blue paint on the side of a house

It’s that time of year again, the weather is warm, the snow is going away, and… you start to notice that that paint is peeling on the exterior of your home. There are definitely a few different reasons why this could be. It is important to make sure that you figure out the correct reason, before painting over the problem. In some cases you could be making the problem worse and not fixing it.

Wood Siding

A common problem in wood siding, is that moisture gets trapped inside the wood and then forces the paint off the wood, creating water/air pockets and causing the paint to peel.

How to Solve the Problem

  1. First, completely sand away all of the old peeling paint.
  2. Let that area dry out.
  3. Proceed to prime the area with an Oil Based Primer (This will seal in the moisture). Let this dry well.
  4. Then apply the top coats of paint.

Stucco Siding

Your stucco could very well have moisture trapped between the wall and the stucco. This could be caused by the stucco being improperly sealed when it was applied. Due to the drastic changes in temperature that we have in Saskatoon, this is not an uncommon problem. When the weather changes rapidly, it could cause the stucco to not bond correctly to the house. Moisture trapped could then crack the stucco and make the problem worse.
peeling green stucco

How to Solve the Problem

  1. Unfortunately this is a job for an expert. It could require major work on the stucco. It just depends on how and where the moisture is coming from.


Most likely the reason why paint would be peeling off of metal is because the paint didn’t adhere properly to the metal in the first place. Temperature has a large impact on paint adherence, and in Saskatoon, we have a lot of fluctuating temperatures. For example, if there is black paint on a shutter that is starting to peel, it could have something to do with the black color absorbing too much heat from being out in the sun when first painted. Darker colors will hold the heat more than lighter colors.

How to Solve the Problem

  1. Sand off all of the old peeling paint
  2. Apply a bonding primer to the surface
  3. Then apply a top coat of paint (making sure to apply the paint during the optimal temperatures for proper bonding).

The Sun

Lastly, no matter what the substrate that you are working with, your paint may be peeling on your south and southwest facing walls. This is because these are the walls that see the most sun, and the exposure to the sun can cause the paint to fade and peel.

How to Solve the Problem

  1. Unfortunately, just due to the direction that these walls face, this is an issue that will continue to appear for you over the years.

No matter the substrate or issue though, if you’re looking for a painting contractor that will come out and assess the issue for you for free just click HERE to book a free estimate with 360 Painting Saskatoon.