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We’ll cut to the chase: for most people, yes — pressure treatment is worth the money. The benefits outweigh the downsides, and the downsides are mostly manageable. Below we walk through the real pros and cons, how long the protection actually lasts, when you can paint it, and how it stacks up against dip treatment, so you can decide with your eyes open.
All models include our 15-year anti-rot guarantee.
The Pros
It lasts longer
Pressure treatment forces water-based preservatives deep into the timber rather than just coating the surface, so the wood resists rot, fungal decay and insect damage from the inside out. Well cared for, a pressure-treated building can last decades — up to around 40 years in the right conditions. Our own BillyOh models carry a 15-year anti-rot guarantee, where many rivals offer only 5 or 10. (More on this in our guide, How Long Does Pressure Treated Wood Last?)
It’s low maintenance
Because the protection is built in, you skip most of the yearly routine of preservers and protective coatings that an untreated shed demands. You’ll still want to look after it, but there’s far less to do.
It can be cheaper in the long run
A longer life plus less upkeep can easily work out at a better return on what you spend on cans of paint to give it a fresh coat every year. You pay a little more at the start and save on maintenance — and on potentially replacing the building far sooner — down the line.
The cons (and how to handle them)
Higher upfront cost.
The treatment process — preservative forced in under pressure or vacuum — adds to the manufacturing cost, so a pressure-treated shed (or the treatment as an upgrade option) costs more at checkout. The trade-off is that you spend less later, and you won’t need to treat it for years.
It’s not waterproof.
Pressure treatment doesn’t stop water from soaking into the wood; it just stops that water from then causing rot and decay. Painting or staining is what creates a barrier against water absorption. Fortunately, pressure treatment means you don’t have to worry about keeping this coat of paint intact every year.
You have to wait before painting.
Freshly pressure-treated timber often has a greenish tint (a harmless by-product of the preservative) and needs to dry out, or “season”, before it will take primer or paint — typically 3–4 months, or up to 6 over winter. If you’ve just bought yours, ask the manufacturer whether it’s ready; otherwise let it cure. Our guide Painting Pressure Treated Wood – How to Do It Right covers the steps.
Round-up
Investing in a pressure treated shed means you’ll have a longer-lasting storage that’s easy to take care of. Even better, it will save you from costly repairs and maintenance in the long run!
As for the drawbacks, a pressure treated shed proves that every problem has a solution. Yes, it can be a bit expensive, but you don’t have to go through the treatment process for several years. For anti-moisture, you can apply treatment, but it won’t require as much as an untreated shed. Three to six months isn’t too long, either—take the time to choose the shed paint colours that work best.
Still considering your new shed purchase? Read our sheds buying guide for everything you need to know.
All models include our 15-year anti-rot guarantee.
Up next: Should You Get Your Wooden Garden Building Dip Treated or Pressure Treated?
