Why DIY Exterior Painting Often Fails in Muskoka, and What to Do Instead
- Maria Benouaret
- Jul 25
- 3 min read
Summer in Muskoka is the season of projects. Cottage owners and homeowners often arrive with a list of things to fix, clean, and update, and painting is usually near the top. While it might seem like a good way to save money, exterior painting is one area where a do-it-yourself approach often leads to more frustration, wasted materials, and in some cases, damage that costs more to fix later.

At Pro Painters Muskoka, we often hear from clients who started a do-it-yourself project with the best intentions, only to run into problems that cost more to fix than a professional job would have from the start.
If you are thinking about painting your exterior this summer, here is why DIY painting often falls short in Muskoka and how to get results that truly last.
Common DIY Mistakes That Lead to Problems
Painting looks easy until you are halfway through the job and things start going wrong. Some of the most common issues we see with DIY projects include:
not cleaning the surface properly before painting
skipping repairs like sealing gaps, sanding peeling areas, or replacing soft wood
using the wrong type of paint for the surface or the weather
applying paint in poor conditions like humidity or direct sunlight
uneven coats caused by using low-quality rollers or brushes
Even when the job looks fine at first, problems often show up within the first season. Fading, peeling, or water damage are all signs the job didn’t protect the home the way it should have.
Muskoka’s Climate Makes Painting More Challenging
Painting in Muskoka is different from painting in more predictable climates. The weather here can shift quickly. One day might be hot and dry, and the next could bring heavy humidity or a sudden storm. These changes affect how paint adheres and cures.
Lake air also carries extra moisture. Homes near the water are exposed to high humidity, salt, and strong UV rays. These conditions speed up the breakdown of paint and cause surfaces to fail if not properly treated.
DIY jobs often overlook how important timing, surface prep, and product selection are when painting in this region.
What Pro Painters Muskoka Does Differently
Our team knows how to paint for Muskoka. We do not just focus on how it looks when the job is done. We build a process around performance, durability, and protection.
That means:
thoroughly washing and prepping all surfaces
repairing cracks, replacing soft wood, and sealing edges before we paint
selecting paints that are designed for high-moisture, high-sun environments
applying paint when conditions are optimal for curing
using the right number of coats with high-quality tools and techniques
We also offer guidance on colour selection, finish, and long-term maintenance so that you feel confident in every step of the project.
Real Example: When DIY Turns Into Damage Control
Earlier this summer, a cottage owner near Bracebridge painted their siding using leftover interior paint from another project. Within weeks, the paint began to fade and bubble. The surface underneath had not been cleaned, and the paint was not made for outdoor use.
When we visited the property, we had to sand the entire surface, treat areas affected by mildew, and repaint with a product built for exterior wood in humid conditions. The cost and time more than doubled compared to what a standard professional job would have been from the start.
Avoid the Stress. Get the Finish You Deserve.
We understand the appeal of a hands-on project. But painting your exterior is not just about looks. It is about protection. When done right, it keeps your home safe from the elements, adds value, and lasts for years.
If you are thinking about painting your home or cottage this season, talk to a professional first. We can provide a free quote, walk you through options, and make sure your project is handled with care.
Contact Pro Painters Muskoka today to book your free on-site estimate and take the guesswork out of your summer plans.

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