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Wood Stain & Finishing

How to Stain a Deck

Choosing the right deck stain shouldn't feel like a gamble. Falls Decor helps Smiths Falls homeowners get a lasting finish they'll love.

Person staining a deck board, the freshly stained boards a rich brown against the weathered grey ones alongside

How To Stain A Deck

Staining a deck involves a series of steps, from thorough cleaning and preparation to careful application of the chosen stain. The goal is to protect the wood from weather and wear while enhancing its natural beauty. This guide from Falls Decor in Smiths Falls will walk you through the process to ensure a durable, attractive finish. Our staff are patient, non-judgmental, and happy to help clients of all experience levels, so you never have to worry about not knowing what you're doing.

Is your deck ready to stain? (preparation checklist)

Before you even think about opening a can of stain, proper preparation is key. Skimping on this step is the fastest way to a disappointing finish that won't last. Start by clearing everything off your deck. Then, sweep away loose debris. Next, clean the deck thoroughly using a deck cleaner designed to remove dirt, mildew, and graying. For stubborn areas, a stiff brush or pressure washer (used carefully to avoid damaging the wood) can help. Rinse thoroughly and allow the deck to dry completely; this can take several days depending on weather and humidity. Finally, inspect for any loose nails, splinters, or rough spots that need sanding or repair.

Choosing the right stain for your deck

Selecting the correct stain depends on your deck's condition, the look you want, and how much protection you need. Transparent stains highlight the wood grain, while semi-transparent stains add colour but still show some grain. Solid stains cover the wood like paint, offering maximum protection and hiding imperfections. We carry a range of MF Paints Portico exterior stains, a Canadian brand crafted since 1967 and known for their durability in Eastern Ontario's climate. Our staff provide consultative guidance at the paint counter, helping you navigate the options and choose the perfect MF Portico stain for your deck, whether it's a new build or an older deck needing a refresh. We'll help you choose with confidence, backed by our guidance.

Step-by-step

Once your deck is clean, dry, and repaired, you're ready to stain. First, mask off any areas you don't want stained, like house siding or railings. Apply the stain using a brush, roller, or pad, working in small sections and always along the grain of the wood. Avoid applying too much stain, which can lead to pooling and uneven drying. If you're applying a second coat (check the product's instructions), allow the first coat to dry completely. Remember to ventilate the area well and follow all safety precautions on the stain can.

Clear varnish being brushed onto a wood surface

Get it right the first time

Staining a deck can feel like a big job, but with the right steps and products, you'll achieve a beautiful, long-lasting result. At Falls Decor, we’re here to help you understand each stage of the process, from selecting the right MF Portico stain to application tips that prevent common errors. Our goal is to empower you to tackle your project with confidence. We guarantee colour matching accuracy, and if the match isn't right, we will remix it for free.

How to avoid common deck staining mistakes

Many DIYers run into issues like uneven colour, lap marks, or peeling stain. These often stem from poor preparation or improper application. To avoid these, ensure your deck is truly clean and dry. Don't stain in direct sunlight or when rain is expected. Apply stain thinly and evenly, maintaining a wet edge to prevent lap marks. Our staff provide consultative guidance at the paint counter, often sharing tips for avoiding these pitfalls. They can explain how to handle tricky areas or specific wood types, ensuring your project in Smiths Falls turns out exactly as you envisioned.

When to call a professional vs. DIY

For most homeowners in Lanark County, staining a deck is a manageable DIY project. However, if your deck is very large, severely damaged, or you simply don't have the time or confidence, hiring a professional contractor might be the better option. Professionals have the right tools and experience to tackle complex situations, ensuring a flawless finish. Falls Decor can supply contractors with bulk MF Portico products and offer trade pricing, so either way, you're getting quality materials. Other stores treat contractors like an afterthought; we built our business around you, with staff who speak your language.

Deck stain maintenance and longevity

To extend the life of your deck stain, regular maintenance is crucial. Keep the deck clean by sweeping off debris and washing it annually with a mild cleaner. Reapply stain as needed, typically every 2-5 years depending on the product, weather exposure, and foot traffic. Look for signs of wear like fading, peeling, or water no longer beading on the surface. Addressing these issues promptly will protect your deck and keep it looking great for years.

The questions we get asked most.

The longevity of deck stain varies significantly based on the type of stain (transparent, semi-transparent, solid), the quality of the product, weather exposure, and proper application. Generally, transparent stains last 1-2 years, semi-transparent 2-3 years, and solid stains can last 3-5 years. MF Portico stains are formulated to withstand the climate in Smiths Falls and Eastern Ontario, offering reliable protection when applied correctly.

It depends on the condition and type of existing stain. If the old stain is in good condition and the same type (e.g., oil over oil), you might be able to clean and re-stain. However, if it's peeling, flaking, or a different type, you'll likely need to strip or sand the old stain off first. Our staff at Falls Decor can assess your deck's situation and recommend the best approach.

The ideal time to stain a deck in Lanark County is during a period of dry, mild weather. Avoid very hot, humid, or cold days. Temperatures between 10-25°C (50-77°F) with low humidity are generally best. Ensure no rain is expected for at least 24-48 hours after application to allow the stain to cure properly.

Coverage rates vary by product and wood porosity. A good rule of thumb is that one gallon of stain typically covers about 150-250 square feet per coat. It's always better to buy slightly more than you think you'll need to ensure consistent colour and avoid running out mid-project. Falls Decor can help you calculate the right amount of MF Portico stain for your deck's dimensions.

Most deck stains, especially those with good penetration, do not require a separate primer. However, if you are using a solid colour stain or staining a difficult wood type, some manufacturers may recommend a specific primer. Always check the product instructions for your chosen MF Portico stain to see if priming is necessary. Proper cleaning and preparation are usually more critical than priming for deck staining.

Ready to transform your deck? Visit us in-store!