Owner-operated · Homeowner guide · Dunwoody
Restaining and Sealing Dunwoody Decks Under Mature TreesDunwoody · DeKalb County
Dunwoody: Dunwoody neighborhoods like Dunwoody North, Dunwoody Club Forest and Brooke Farm are full of mature landscaping, and many back decks sit under a thick canopy of hardwoods and pines. That shade keeps the deck cool, but it also keeps the wood damp, feeds mildew and wears down a finish from the bottom up. We restore and protect wood decks across Dunwoody with careful cleaning, repairs where they are needed and a stain chosen for the conditions your deck actually lives in. Owner-operated, with a free written estimate.
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★★★★★ 31 Google reviews as of Nov 2026 — “Great workmanship, fair pricing, and excellent customer service.” Read reviews
- Free written estimate within one day
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- Crews with 10+ years of combined experience
- Owner on every job
- Text us (470) 863-3707
Homeowner guide · Dunwoody
Deck staining and sealing in Dunwoody
Shaded Dunwoody decks hold moisture and invite mildew, so a lasting stain and seal job depends on deep cleaning, repairing soft or damaged boards and choosing a finish that handles that damp.
- Breno, the owner, measures and writes your estimate
- 10+ years of combined team experience
- General liability insurance
- 5.0 stars from 31 Google reviews as of Nov 2026
- Real before-and-after photos from our own jobs
Dunwoody
What heavy shade does to a deck finish
Most people expect the sun to be the enemy of a deck finish, and in open yards it is. Under a Dunwoody tree canopy, moisture is the bigger problem. Boards that never fully dry grow mildew and algae, the finish softens and loses its bond, and the wood beneath turns gray and fuzzy even where the sun rarely reaches.
Leaves and seed pods that sit on the boards hold water against the surface and leave dark stains, especially between the boards and along the edges of planters and furniture. A finish for a shaded deck has to resist mildew and still let the wood breathe, and the cleaning before it has to remove the growth completely.
Dunwoody
Repairs come before the stain
Staining a deck is a good time to look at its condition, because the cleaning reveals what dirt and old finish were hiding. We look for soft boards, split ends, popped nails and screws, loose railing posts and wobbly stair treads. On older decks we also check the boards right next to the house, where water from the roof or a door often collects.
Anything loose or rotted gets flagged before the stain goes on. Some fixes are quick, like resetting fasteners or swapping a few boards. Others point to framing issues that deserve a closer look. Either way, you hear about it first and decide how to handle it, instead of finding out later under a fresh coat.
How it works
Five steps. No surprises.
Call, text, or send the form
Tell us what is going on: a new deck, a repair, or “not sure yet.” We reply the same day.
Free on-site visit
Breno looks at the deck or the yard himself, measures, and goes over your options with you.
Written estimate
Scope, materials and price come in writing, so you know the plan before anything starts.
Schedule and permits
We agree on a start date and confirm any city, county or HOA requirement for your address first.
Build and final walk-through
Breno is on the job, and we go over the finished work with you before we call it done.
Real B&T work
Photos from real jobs
Real photos from B&T projects in North Georgia, not necessarily from Dunwoody.
Dunwoody
Cleaning near creeks and stream buffers
Many Dunwoody lots touch stream buffers, and the city restricts land disturbance and tree removal within them. A deck project that is only staining does not change the land, but the cleaning process still matters. Wash water, strippers and runoff should not flow into a creek or a drainage area.
We choose cleaning products with nearby water in mind, protect plantings and ground cover around the deck, and control runoff and overspray as we work. On a sloped yard that drains toward a creek, that care is part of doing the job right.
Dunwoody
Picking the right product and color
For a shaded deck, a penetrating oil or semi-transparent stain with mildew resistance often performs well, since it soaks into the wood rather than forming a film that can trap moisture and peel. On an older deck with patched or weathered boards, a solid stain can give a more even look, as long as the surface is prepared well.
Color is easier to judge in person. Under trees, a stain looks darker than it does on a sample card in the store. We test patches on your boards so you can see how the color looks in your shade before the whole deck is coated.
Dunwoody
Keeping it looking good between coats
A little upkeep makes the finish last much longer. Clearing leaves and pine straw off the deck regularly, rinsing off pollen in spring and moving planters now and then to let the boards dry all help. Trimming branches that hang low over the deck lets in more light and air.
Floors and stair treads wear before rails, so they usually need a maintenance coat first. Recoating the floor before the old finish fully fails is generally easier than stripping it later. We can point out the signs that tell you it is time.
Get a fast estimate
Dunwoody
How to get started in Dunwoody
A Free Deck Health Check is a good way to find out where your deck stands. Breno visits in person, looks over the boards, rails, stairs and framing below, and leaves written notes on the finish and any repairs worth making.
Then you receive a free written estimate for the cleaning, repairs and staining, with the product and color listed. When the job is done we walk the deck with you, and we stand behind our finished work for a full year.
Straight answers
Dunwoody homeowner questions
Why is my Dunwoody deck covered in black spots?
Black or dark spots on a shaded deck are usually mildew or mold growing in the damp wood fibers. A thorough cleaning removes it, and a mildew-resistant finish helps keep it from coming back.
Is it worth staining a deck that has a few soft boards?
Yes, once those boards are replaced. Staining over rot hides the problem without fixing it, so we handle repairs first and then finish the whole deck.
Do oil-based or water-based stains do better in shade?
Both can work. Penetrating products that soak in rather than forming a thick film tend to hold up better in damp shade, since they are less likely to trap moisture and peel.
Will cleaning my deck harm the creek behind my house?
We choose cleaning products with nearby water in mind and control runoff and overspray while we work, so wash water does not flow toward the creek.
Does pine straw stain deck boards?
Pine straw and wet leaves left on the deck hold moisture and can leave dark marks. Clearing them off regularly helps the finish last longer.
Should I trim trees before staining the deck?
Trimming low branches lets in light and air, which helps the deck dry and slows mildew. Check the tree rules for your lot before removing anything, especially near a stream buffer.
Does staining a deck in Dunwoody need a building permit?
Staining alone usually does not involve structural work, but larger repairs or rebuilding can change that. We confirm with the city for your address if repairs grow in scope.
Can you match the color to my Dunwoody Village area home?
We test stain samples on your boards and look at your siding and trim, so the finished color suits the house.
Do you also stain decks near Dunwoody?
Yes. We work in Sandy Springs, Brookhaven and Roswell as well as across Dunwoody and DeKalb County.
Verified Google reviews
What the neighbors are saying
These are verified Google reviews from B&T customers.
★★★★★
“Breno F. is an incredible man. He helped my aging mother when no one else would and went the extra mile with a complex home repair. His work is meticulous and his follow through is commendable. He is a good man with a great heart. Highly recommended!”
★★★★★
“Breno did an excellent job repairing my home. He was professional, reliable, and paid close attention to every detail. The quality of his work exceeded my expectations…”
Who’s doing the work
About B&T Properties
You deal with the owner. Breno visits, quotes and oversees the work, and the crew brings more than ten years of deck experience between them. B&T carries General Liability insurance, and Dunwoody is part of our regular service area.
Upgrades
Add-ons to consider
Ask about any of these when Breno comes out for your free estimate. They are easiest to price in when we plan the project, not after it is built.
Railing styles
Pick the rail that fits the house: aluminum, composite or wood, in several styles.
Composite decking
A surface with no sanding, sealing or yearly staining to keep up with.
Lighting
Stair and post lights that make evenings outside safer and nicer.
Multi-level layouts
A split-level layout that works with the lay of your lot instead of fighting it.
Written warranty
1-year workmanship warranty
B&T Properties warrants our workmanship for one year from completion and fixes failures caused by our work at no charge. Not covered: material defects (manufacturer warranty), normal wear, weather, misuse, lack of maintenance, or work by others. Claims in writing.
Free written estimate
Tell Breno about your Dunwoody deck — free and in writing.
No call center, no sales rep — the person who answers is the person who does the work.