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Our Reccomendation for your Deck Project

Sansin DEC & Sansin Pressure Plus

What we recommend first

Sansin DEC exterior wood stain

Sansin DEC

The premium end of the line, and the finish we’re proudest to put on a customer’s home. DEC penetrates deeply and leaves wood looking rich and dimensional rather than coated — you still read the grain. For a deck, or any horizontal surface you plan to keep looking beautiful, this is the one.

Best for
Horizontal wood surfaces and decks, new and old wood, cedar, spruce, pine, fir, pressure treated lumber and exotic hardwoods
Finish
Deep, natural, dimensional — the grain stays visible
Application
Brushed flood coat, applied to the point of refusal
Colours
Available across all four opacity levels
View Sansin DEC

A Dependable Alternative

Sansin Pressure Plus stain for pressure treated wood

Sansin Pressure Plus

Widely searched for and widely available, Pressure Plus has earned its reputation as a dependable, proven stain. It delivers solid protection and lasting performance, making it an excellent choice for many exterior wood projects—especially pressure-treated lumber. Pressure Plus is a product we trust.

Best for
Pressure treated decks, fences and utility structures
Finish
Solid protective colour at a lower cost per square foot
Application
Brushed flood coat, applied to the point of refusal
Why buy it here
Tinting, prep advice and the right brush, from a trained team
View Pressure Plus

Sansin also makes a full range of exterior systems — SDF, ENS, Classic, Wood Wash, End Seal and more. Browse all exterior stains and finishes, or ask us which system fits your build.

Start here

Send us your project. We’ll tell you what it needs.

No obligation and no guessing. Send a few photos and the details of your wood, and a member of our team will come back with a recommended product, opacity and prep sequence for your specific project.

  1. Tell us what you’re staining

    Wood type, square footage, whether it’s new or being refinished, and how much sun and weather it takes.

  2. Send photos

    Photos tell us more than measurements do. Existing finish, greying, peeling, mildew — we can read all of it from a picture.

  3. Get a plan

    We’ll confirm the product, then help you get started with colour selection and prep steps.

Prefer to talk in person? Bring your project photos and inspiration to one of our two stores — see hours and directions.

Sansin exterior wood stain colours

Choosing a Stain Colour, Starts With Opacity

Sansin colours are organised by opacity, not just by shade. The more pigment in the stain, the more UV protection it gives — and the less grain shows through. It’s the first decision to make, and it’s easier to make with a real sample in your hand.

*Colour on a screen is never the colour on your wood. Species, age and opacity all change the result — which is why we’d rather sample it with you than have you guess.

By project

What are you staining?

Horizontal and vertical surfaces wear differently, and so do species. Each of these needs a different answer.

Decks and terraces

The hardest job in exterior finishing. Foot traffic, standing water and full sun on a horizontal surface. Prep and product choice matter more here than anywhere else on your property.

Pressure treated lumber

Pressure treated wood has its own rules about moisture content and timing. Stain it too early and the finish won’t hold.

Siding and cladding

Vertical surfaces shed water but take relentless UV on the south and west faces. More pigment means more UV protection, which is why siding often calls for a different opacity than a shaded deck does.

Fences

Large area, tight budget, exposed on both sides. There’s a smart way to spend your money on a fence, and we’ll walk you through it.

Before you start

Exterior wood staining do’s and don’ts

Follow the prep steps properly and your stain can last up to 60% longer. This is the short version of what we tell every customer.

Do

  • Clean before you sand. Wash with soap and a proper wood cleaner. Water alone won’t lift pollen, mildew or barbecue grease. Recoats need cleaning too.
  • Sand every surface. 60 to 80 grit, briskly, or clean and brighten chemically. An orbital sander does a large deck in under an hour.
  • Confirm the wood is dry. Sprinkle a few drops of water. If they soak straight in, you’re ready. If they bead, wait.
  • Read the label. Every product has its own rules. Some need the second coat wet-on-wet, and skipping that changes the result.

Shop Wood and Deck Cleaners

Don’t

  • Never coat wet wood. Allow at least two days of dry weather after rain or washing. Some wet-wood-friendly products exist — ask us first.
  • Never stain in direct sun. Above 25°C or hot to the touch, and the stain flash dries on the surface. Work with the shade as it moves around the house.
  • Don’t use a roller alone. Rollers lay product on top of the wood and leave it patchy. Brush it, or back-brush immediately behind the roller.
  • Don’t assume two coats beat one. On most stains, excess film thickness causes peeling. Sansin is the exception — it wants a full flood coat.

Shop Staining Brushes

Questions we get with almost every project

Common questions about exterior wood stain

Where can I buy Sansin stain near me?

Barrydowne Paint is an authorized Sansin dealer with two locations in Sudbury — New Sudbury on Barrydowne Road and the South End on Long Lake Road. We stock and tint Sansin exterior stains in-house, and customers regularly come to us from Manitoulin Island, Killarney, Elliot Lake, Espanola, Cartier, Onaping and the Muskoka area.

What is a penetrating stain, and why does it matter?

A penetrating stain soaks into the wood fibre instead of forming a film on top of it. Because there’s no film sitting on the surface, there’s far less chance of it peeling, and the wood can still breathe as it takes on and gives off moisture through the seasons. It’s the reason surface prep matters so much — anything blocking the pores, like mill glaze or an old coating, stops the stain from doing its job.

How do I clean my deck or wood siding before staining?

Wash it with soap and a dedicated wood cleaner to remove dirt, pollen, mildew and grease, then sand with 60 to 80 grit. Cleaning comes before sanding, not after. Pressure washing alone is not preparation — it can raise the grain and drive water deep into the wood, which then needs days to dry. We’ll tell you which cleaner suits what you’re dealing with.

How do I choose a deck stain colour?

Start with opacity rather than colour. Decide how much grain you want to see and how much UV protection the surface needs, then choose a shade within that opacity level. After that, sample it on the actual wood — the same colour looks different on cedar than it does on pressure treated pine. Browse the Sansin colour collections here.

Can I stain over an existing finish?

Sometimes. It depends on what’s currently on the wood, how well it’s bonded, and whether the old product is compatible with what you want to use. This is exactly the situation where a photo saves you a great deal of money. Send us pictures of the current condition and we’ll tell you honestly whether you’re recoating or stripping.

How long will my stain last?

It depends on the product, the surface, the exposure and above all the prep. Horizontal surfaces in full sun need attention sooner than shaded vertical siding. What we can tell you is that proper cleaning and sanding extends the life of a finish by up to 60%, and that maintenance recoats cost a fraction of a full strip and restore.

Do I need a contractor, or can I do this myself?

Plenty of our customers do their own staining well, with the right product and a clear plan. If you’d rather hand it off, we can point you toward painters in the area who know these products — see Find a Painter.

Why redos happen

Most stain failures are not due to product

Stripping and re-staining a failed deck costs several times what it costs to do it right the first time. Almost every failure we see traces back to one of these four things.

Mill glaze left on new wood

New lumber carries a glazed surface from the mill. Stain won’t penetrate through it, so the finish sits on top and lets go. New wood needs cleaning, then sanding.

Staining in the heat

Above 25°C, or on a surface that’s hot to the touch, stain flash dries before it can penetrate. This is the single most common cause of peeling we deal with.

Wood that isn’t dry

Recently washed or rained-on wood traps moisture under the coating. Two days of dry weather is the minimum — and a water bead test tells you for certain.

The wrong amount of product

Most stains fail when over-applied and can’t breathe. Sansin is the exception — it needs a flood coat, applied to the point of refusal. Getting this backwards ruins projects.

Visit us

Two Convenient Sudbury locations

Ten minutes with a trained expert saves you hours of searching, scrolling and second-guessing. Spend that time on your project instead — and know we're on the other end of the phone if you get stuck partway through. Walk in with pictures of your deck or siding and leave with a plan.

Barrydowne Paint New Sudbury storefront

New Sudbury

818 Barrydowne Rd.
Sudbury, ON P3A 3T7
705-566-8275
Monday to Friday
7:30am – 5:30pm
Saturday
9:00am – 4:30pm
Sunday
10:00am – 3:00pm
Get directions to our New Sudbury store
Barrydowne Paint South End storefront

South End

2304 Long Lake Rd.
Sudbury, ON P3E 5H4
705-523-8275
Monday to Friday
7:30am – 5:30pm
Saturday
9:00am – 4:30pm
Sunday
Closed
Get directions to our South End store

Coming in from out of town? We serve customers across Northern Ontario — Greater Sudbury, Espanola, Manitoulin Island, Killarney, Elliot Lake, Cartier, Onaping and the Muskoka region. Send your project details ahead, or give us a call and we’ll make sure the location you plan to visit has the products you need stocked.


Why Choose Barrydowne Paint for Your Sansin Stain