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The Cottage Coach’s complete guide to staining your deck

By the Cottage Coach

Every spring, there’s a scary moment. You walk out to the cottage deck for the first time after a long winter, coffee in hand, ready to enjoy the view, and then you see it. The stain is peeling. There’s a soft spot near the stairs, and your whole deck looks a little rough around the edges.

I’ve been there. And I’m here to tell you: don’t panic. A deck refresh is one of the most satisfying cottage projects you can tackle in just a few days. The results are immediate, the process is totally manageable, and when it’s done? Your deck reclaims its role as your favourite space at the cottage.

Here’s my simple process for getting it right, using my go-to product: BEHR PREMIUM® Waterproofing Stain & Sealer.

First, do a proper walk-around

Before you even think about cracking open a can of stain, give your deck a thorough once-over. You’re looking for a few things: loose or popped nails and screws (serious foot hazards), cracked or splintering boards (also serious foot hazards—I say this from experience), soft spots that might signal early rot, and any green buildup from algae or mildew, which usually shows up under trees or in shaded corners.

Winter is tough on decks, especially at the cottage, where they sit untouched for months. The goal here is to catch the small stuff now, before it turns into a bigger, more expensive repair later. Tighten your screws, replace any boards that have really had it, and address rot early. People often skip this step and stain right over loose boards or problem areas. Then they wonder why the finish looks uneven a few weeks later.

Prep is everything. I mean it.

Here’s the thing about deck staining that surprises a lot of first-timers: the prep takes longer than the actual staining. And that’s OK. Rushing prep is the number one reason decks need to be redone sooner than expected.

If you stain over dirt or mildew, you’re essentially sealing those problems into the wood. The stain won’t absorb properly, the colour will look uneven, and peeling can start sooner than it should. Do the prep right once, and you won’t be back on your knees with a brush next summer.

My go-to cleaning process is simple: sweep the deck completely clean—I like a backpack blower for this. Next, apply a proper wood cleaner, like BEHR PREMIUM® All-In-One Wood Cleaner, since it’s specifically designed to clean and brighten wood before staining, and it tackles mildew and algae too. Then scrub with a stiff-bristle broom and rinse well. A pressure washer works great here; just don’t be too aggressive, and make sure the runoff isn’t heading into the water.

Then let it dry completely. I say minimum 24 hours, but closer to 48 hours is better. Shaded cottage decks can take longer depending on humidity and temperature. Don’t rush this part. The wood needs to be completely dry before it can absorb stain properly.

As for sanding, you don’t always need it. If the wood is in decent shape after cleaning, you can skip it. But if there’s peeling stain, rough or splintery patches, or uneven wear in high-traffic areas, a quick pass with a pole sander or orbital does the trick. You’re not refinishing furniture here. You’re just evening things out.

Picking your stain

This is where things get fun.

The first decision is solid vs. semi-transparent. Semi-transparent stain lets the wood grain show through for a more natural look. It’s ideal for newer wood that’s still in good shape. Solid stain covers the grain completely, more like a paint, and it’s a better call for older decks that need a bit of a reset.

For colour, my advice is always to think about your surroundings. At a cottage, you want the deck to feel like it belongs in the landscape, not fight against it. Earth tones, warm greys, and soft browns almost never go wrong in a wooded, lakeside setting.

This year, I’ll be reaching for the BEHR® 2026 Exterior Stain Colour of the Year, Taupe. It sits in that sweet spot between warm brown and cool grey, which means it plays beautifully against wood, stone, and greenery without looking too trendy or too safe. It feels natural but still gives the space a clean, finished look.

Whatever colour catches your eye, do yourself a favour and test it first. Pick two or three options, grab the sample pots at Home Depot, and apply small patches somewhere tucked out of the way. Check them in both morning and afternoon light. Wood can change how a colour reads, and this one small step saves a lot of second-guessing later.

Application day

Good news: this is the easy part. If you’ve prepped properly, staining your deck is genuinely enjoyable.

I’m a brush person for most of it. You get the best control and penetration, especially along board edges and in the grooves. A roller speeds things up on larger open areas. There are also purpose-built deck and fence applicators that are great for getting into the cracks between boards. Pick your weapon based on the deck.

For weather, aim for mild temperatures of roughly 10 to 25°C, and keep in mind that, so long as the wood surface is completely dry before application, BEHR PREMIUM® Solid Colour Waterproofing Stain & Sealer will resist rain after four hours. Avoid staining in direct blazing sun (it dries too fast and causes lap marks) or on cold, humid days. Morning and late afternoon are the ideal windows. They give you cooler temps, less direct sun, and more time to apply evenly without rushing. Working in the shade is always your best friend.

The long weekend game plan

Here’s how I’d schedule the project over a long weekend.

  • Day 1 morning: Clean and prep. Pressure wash, scrub, and do your repairs.
  • Day 1 afternoon: Let it dry. Seriously. Walk away.
  • Day 2: Stain.
  • Day 3: Enjoy your deck.

If the weather cooperates and everything goes smoothly, you might be able to tighten that schedule. But don’t rush the drying time. It’s the one thing that’s not negotiable.

Before you head out, make sure you’ve got everything on hand: deck cleaner, broom, leaf blower, hose or pressure washer, sandpaper (if needed), brushes or rollers, painter’s tape, drop sheets, gloves, and eye protection. Have a list ready if you’re doing a supply run the morning you head up to the cottage.

Oh, and your go-to beverage for Day 3. Non-negotiable.

Just go for it

If you’re a first-timer feeling a little intimidated by this project, I get it. But I promise: once you break it down into steps, it’s completely doable. Prep well, give it time to dry, apply evenly, and let the product do its job.

And when it’s done? That fresh, clean, newly stained deck is going to be the first place everyone wants to sit. That’s the payoff. That’s why we do these projects.

Find everything you need, including BEHR PREMIUM® Solid Colour Waterproofing Stain & Sealer in Taupe and the full BEHR® exterior stain colour lineup at your local Home Depot Canada.

 

Go behind the scenes to see the magic as Tiffany Pratt works with BEHR paint to bring the colours of cottage country to life:

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