Deck Staining & Refinishing in Duluth, MN & Superior, WI

National cost guides put professional deck staining at $550–$1,250 for a typical residential deck, or $1–$4 per sq ft, according to HomeAdvisor. That's a national typical range, not our price. What moves the number on your deck is its size, how many railings, balusters and stairs need brush work, and whether the old finish has to be stripped before new stain goes on. Your flat quote, approved before work starts, is the real number.

Sprinkle some water on the boards: if it soaks in and darkens the wood instead of beading up, the finish has stopped protecting it. Other signs are wood turning gray, stain peeling or flaking, color worn off the traffic paths and stairs, and boards getting rough or splintery. Check each spring once the snow is gone, since snow, ice and shovels are hard on the walking surface. Catching it while the old finish is still intact usually means a simple recoat instead of a full strip and refinish.

For most wood decks, semi-transparent is the best balance: it adds color and blocks more sun than a clear finish while still letting the grain show. Transparent stains and clear sealers show off new cedar or treated wood, but they carry little pigment, so they need recoating most often. Solid stain hides the grain completely, which helps weathered or mismatched boards look uniform, but it sits on the surface more like paint, so it can wear through or peel in busy spots and is hard to strip later.

Not always. If the old finish is still bonded and you're recoating with the same type of stain, a thorough cleaning and light sanding are usually enough. Stripping is needed when the old coating is peeling or flaking, when it's worn blotchy, or when you're switching from a solid stain to a semi-transparent one. It's also the only way to go lighter and keep the grain showing, since a semi-transparent coat can only darken a deck. After stripping, a brightener and light sanding prep the wood.

A sealer mainly keeps water out of the wood, while a stain adds pigment that also shields it from the sunlight that turns it gray. Many deck products do both jobs, and the more pigment a finish carries, the better it stands up to sun; a clear sealer keeps the natural look but needs recoating more often. National cost guides put sealing a deck at about $563–$1,402, according to HomeAdvisor, which is a national typical range, not our price. We recommend a finish for your wood in the quote.

Once the wood has dried enough to soak up water, which usually isn't right after it's built. Sherwin-Williams notes that pressure treating soaks the wood, and freshly installed boards won't let coatings adhere well (Sherwin-Williams). The test is simple: sprinkle water on the boards. If it beads, the wood needs more drying time; if it soaks in, the wood is ready. We can come back for the first coat after a new deck build or board replacement once the wood passes that test.

No. Stain protects sound wood, but it can't firm up rot, close a split or flatten a cupped board. Those problems need deck board and railing repairs first: bad boards replaced, rail posts re-anchored and the framing underneath checked. Staining after the repair protects the new wood, though fresh boards won't match weathered ones right away; a solid or darker stain closes that gap sooner. Boards that need replacing are flagged in your staining quote, and anything the wash uncovers is shown to you before we go on.

No, not in Duluth or Superior. Duluth lists painting and similar finish work among projects that need no building permit (City of Duluth), and Superior's Permits Not Required list includes painting, staining or applying preservative treatment in its fencing and accessory structures section (City of Superior). If your deck also needs new posts, joists or a ledger, that repair may need a permit; see deck repair.

Usually a day or two, but the label on your stain sets the real number. Olympic's data sheet for its Maximum solid stain asks for 24 to 48 hours before light foot traffic or putting furniture back (Olympic), and Benjamin Moore recommends waiting at least two days before opening a newly stained deck to foot traffic. Cool, damp weather slows drying, so on an overcast Duluth week give it the longer end. Put planters and the grill back last, since they sit in one spot.

Rain on fresh stain can leave spots, wash pigment off the surface or keep the finish from curing evenly. Each product sets its own dry-weather window: Cabot says not to stain with rain in the forecast over the next 12 to 24 hours, and Olympic rates its Maximum solid stain rain-ready in 12 hours (Olympic). If a surprise storm hits fresh stain, let the deck dry completely and look at it before touching anything up; spotty areas can often be blended with a light recoat.

Usually because too much stain went on and the excess never soaked in. Stain that pools on the surface stays tacky, collects dirt and can peel later, which is why Olympic's instructions say not to saturate or puddle stain on horizontal surfaces (Olympic). Cool, humid weather and staining wood that wasn't fully dry make it worse. Light tackiness may cure out in warm, dry weather, but heavy sticky areas usually need the excess cleaned off with the product the stain maker recommends.

Only inside the temperature range on the can, and that range differs by product. Cabot calls for air and wood surface temperatures between 50 F and 90 F, while Olympic rates its Maximum solid stain for application down to 35 F, as long as it stays above 35 F for the next 24 hours (Olympic). Protect the cans from freezing, too, rather than leaving them in an unheated Duluth garage. In fall, cold nights and heavy dew also shorten the working day.

For most decks, stain. Paint forms a film on the surface, and on boards that get walked on, shoveled and soaked by snowmelt, that film tends to wear through and peel, then has to be scraped before it can be redone. Penetrating stain soaks into the wood and wears away gradually, so a recoat usually needs cleaning rather than scraping. Solid stain sits in between: it hides the grain like paint but goes on thinner. Paint can still make sense on railings or trim matched to the house.

It helps, but it won't fix mildew that's already there or protect a deck that stays damp. Olympic describes its Maximum stain as a mildew-resistant coating, yet warns that growth can still occur if the wood wasn't properly prepared or sits in damp, shady spots such as under trees or behind shrubs (Olympic). That's why the wash comes first: the cleaner takes existing mildew off so it isn't sealed under new stain. On shady Duluth decks, trimming branches and clearing leaves helps too.

Both kinds are sold, and they behave differently. The USDA Forest Products Laboratory's Wood Handbook explains that oil-based semitransparent stains flow into the wood surface and carry pigment with them, while waterborne versions reach a similar look by forming a thin coating on top. It also notes that latex-based stains resist the sun's UV better than oil-alkyd ones. The same chapter warns that rags and sponges wet with oil-based stain can catch fire on their own, so soak them in water and seal them in a water-filled metal container.

Yes, it fades, and lighter finishes fade fastest. The USDA Forest Products Laboratory explains that sunlight slowly breaks down a finish's resin until the pigment erodes away, and that clear and lightly colored deck finishes don't peel; they fade. It gives a clear water-repellent preservative a life of only 1 to 2 years and lightly pigmented versions 2 to 3 years, while more pigment holds color longer. Recoating before bare gray wood shows through usually keeps the next job to a cleaning and a fresh coat.

Penetrating stains rarely do; film-forming ones can. The USDA Forest Products Laboratory says penetrating clears, lightly pigmented clears and semitransparent stains need recoating more often than paint but seldom fail by cracking and peeling, while solid-color stains lack abrasion resistance and tend to peel on decks unless they're formulated for decks. It also advises applying semitransparent stain only as heavily as the wood can absorb, since stain that doesn't soak in leaves a shiny surface film. A deck that's already peeling usually needs stripping before new stain goes on.

Either can work; what matters is dry wood and a run of dry days inside the stain's temperature range. In spring, boards soaked by snowmelt need time to dry out first, but a fresh coat then protects the deck through the summer sun. In fall, cool nights and heavy dew shorten the working day, but a finish applied in time goes into winter protecting the wood. Book early either way, because good staining days are limited up here.