Deck Resurfacing Cost (2026): New Boards on an Old Frame, and When It Works

Your deck boards are gray, splintering or cupped, but the frame underneath still looks solid. Swapping only the boards and railing can cost less than a rebuild, but only if the frame passes inspection once the old boards are off. This guide covers cost, the frame check, joist spacing, warranty fine print and Dallas permits. If you're still deciding whether the deck is worth saving at all, start with our guide on whether to repair or replace your deck.

What is deck resurfacing (and what it isn't)?

Resurfacing means pulling the old boards and railings off and installing new ones on the existing joists, beams and posts. Trex describes it this way: if the boards are worn but the foundation and framing are sound, you can replace just the walking surface and the railings.

Two jobs often get called "resurfacing" that are not what this guide covers:

• Refinishing or staining. Sanding and sealing the boards you already have is a different job with different costs.
• Laying new boards over the old boards. TimberTech says plainly not to install composite boards on top of wood deck boards. The extra weight may be too much for the substructure, water trapped between the layers can rot the wood, and the second layer raises the deck about an inch, which creates a tripping hazard at the door.

Real resurfacing starts with removal: only a bare frame tells you whether the job is a resurface or a rebuild.

How much does deck resurfacing cost per square foot in 2026 (pressure-treated, cedar, composite)?

To keep the existing frame and put new composite boards on it, plan on about $25 to $50 per square foot nationally for materials and professional labor, before removal, railings and any extra joists (calculated from Decks.com's ranges). Decks.com puts composite materials on an existing frame at $5 to $15 per square foot, not counting railings, fasteners or disposal, and a professional deck contractor's labor at $20 to $35 per square foot.

Block Renovation's 2026 national guide gives a project-level number instead: replacing the boards and railing on a solid frame runs $5,000 to $12,000 for a 200 to 300 square foot deck, and takes one to two weeks. Spread over that size range, that works out to roughly $17 to $60 per square foot including railing (calculated from Block's range: $5,000 on 300 sq ft at the low end, $12,000 on 200 sq ft at the high end).

For pressure-treated and cedar, no source in our research gave a resurfacing-only price, so the table below shows what is published: Block's installed decking prices by material (Block does not say whether these are for resurfacing or a new deck) and TimberTech's 2023 material-only prices, which are dated.

TimberTech's 2023 page put professional labor at $8 to $22 per square foot, below Decks.com's 2026 deck-contractor figure, so budget with the newer number.

A worked example for a 300 square foot deck, composite, hired out to a deck contractor (calculated from Decks.com's ranges):

• Materials: $1,500 to $4,500
• Labor: $6,000 to $10,500
• Removing the old decking: $100 to $800
• Extra joists, if the spacing is too wide: $300 to $900
• Total: about $7,600 to $16,700, before railings (low end without extra joists, high end with them)

Wood or composite is its own decision. Our guide to Trex vs cedar vs pressure-treated compares how each holds up in Dallas heat, and Trex vs TimberTech vs Fiberon compares the composite brands line by line.

Labor vs materials: what you pay for when you keep the existing frame

For composite, materials run about $5 to $15 per square foot and a deck contractor's labor about $20 to $35, before removal, railings and any new joists. Labor is the bigger share, and it changes a lot depending on who you hire. Decks.com breaks it down by contractor type:

Two lines surprise people. Extra joists are part of the job, not an upgrade, if the old frame was built for wide spacing. Joist repair can't be priced until the boards are off, so a good quote names a per-joist price for anything found during demo.

Time matters too. Trex's own resurfacing video project took three to five days for a team of two. Block's national guide gives one to two weeks for boards and railing on a solid frame.

What does deck board replacement on an existing frame cost in Dallas?

No Dallas-specific resurfacing or board-replacement price was published in any source we could check, so the honest comparison point is what a whole new deck costs here. Block Renovation's 2026 Dallas guide puts an installed deck at $15 to $30 per square foot in pressure-treated wood and $25 to $50 in composite.

Put the national resurfacing numbers next to that and they overlap. Composite boards on an old frame, hired out, come to about $25 to $50 per square foot before removal and railings (calculated from Decks.com), which is the same range as Block's Dallas price for a whole new composite deck. On a 300 square foot deck, Block's Dallas range works out to $4,500 to $9,000 in pressure-treated and $7,500 to $15,000 in composite (calculated from Block's Dallas figures).

That overlap is the main reason to get both prices. Resurfacing keeps an old frame. If a new deck costs about the same, you get a new frame and footings for little or no extra money. For the full breakdown of new-deck pricing, see what a new deck costs in Dallas.

When can you keep the old frame? A step-by-step inspection checklist

Keep the frame only if, after the boards come off, there are no soft spots, cracks or rusted hardware, the joists are in-plane and correctly spaced, and the ledger is tight and flashed. Trex and TimberTech both say the inspection happens with the boards removed, not before. Here is the check, in order:

1. Probe every joist with a flathead screwdriver. Trex says if the screwdriver digs in, that is a soft spot. All decayed, rotting or cracked framing has to be replaced before building.
2. Look hard at the tops of the joists. A decking retailer's checklist notes that most rot starts at the top of the joists, where boards held water against the wood. The Journal of Light Construction (JLC) adds that surface rot in the old boards usually means the framing below is rotted too.
3. Check the hangers and hardware for rust. Trex says even a small amount of orange, brown or red rust on framing hardware is a concern, and widespread white oxidation suggests the hardware should be replaced. Some jurisdictions require Z-Max galvanized hardware.
4. Check the ledger. TimberTech says the ledger should be flush and properly fastened. JLC says to check the ledger's flashing and fastening, along with the joist hangers.
5. Check built-up beams between the plies. JLC points to rot hiding between the layers of built-up girders.
6. Check that the frame is flat and square. TimberTech says the joists, blocking and beams should be in-plane, securely fastened and correctly spaced. Trex says to make the joists level and even, shimming or shaving where needed.
7. Check how the frame was fastened. Older decks were often nailed where modern codes call for structural screws or bolts and metal connectors. Trex's steps call for inspecting all framing and framing hardware for code compliance and structural soundness.
8. Look at the posts and footings. New boards don't help a frame that is sitting on failing footings.
9. Look at the stairs separately. JLC recommends rebuilding old stairs to current spec rather than reusing them, and notes many existing stairs aren't set up for 5½ inch synthetic boards.
10. Make sure someone can get underneath. JLC's view is that if the deck is too low to inspect underneath, the framing has to be rebuilt.

It also helps to know what the wood was rated for. The American Wood Protection Association lists UC3B or higher for joists and beams above ground, UC4A for ground contact, and UC4A for ledgers and posts. It also says joists and beams that are hard to replace and critical to the structure may need ground-contact treatment.

Once the boards are off, Trex says to remove every screw (or bend nails flat) and clear debris out of the joist bays so air can move. JLC adds that screwed-down decking is hard to remove without damaging the joists, so plan for some cleanup on the joist tops.

Signs the frame is not worth saving

Widespread joist rot, a weak ledger, failing footings or a deck too low to inspect means new boards won't fix it. TimberTech says resurfacing can be done only if the substructure is in good condition, and a substructure damaged beyond repair means full replacement. It also says serious problems that can't be repaired may mean a new substructure.

In practice, that means soft spots in more than a few joists, a ledger that isn't flush, fastened and flashed, rot between beam plies, rusted hangers across the frame, or no way to get underneath.

Footings deserve extra attention in Dallas. Blackland Prairie clays swell when wet and shrink and crack when dry, and the Soil Science Society of America notes that construction on this soil is often plagued by cracking. Our repair or replace guide covers footings, clay and how long each material lasts.

Joist spacing: will composite boards work on your old joists (16 in vs 12 in vs 24 in)?

Most composites allow joists at 16 inches on center for boards laid square to the joists and 12 inches for diagonal boards, so a frame at 19.2 or 24 inches usually needs joists added. Decks.com says most composites need 16 inches maximum, some need 12, and existing joists at 24 inches need additional joists. That is the most common reason an old frame doesn't simply take new composite boards.

A JLC deck builder whose resurfacing jobs are mostly decks around 25 years old says the frames he opens sometimes have "unfortunate" 19.2-inch on-center joist spacing. Adding one joist in each bay halves the spacing: 24 inches becomes 12, and 19.2 becomes 9.6 (simple arithmetic). Decks.com prices that work at $1 to $3 per square foot.

Here is what each manufacturer publishes for residential decks:

A few more rules matter on an old frame:

• Diagonal layouts cut the span. Trex's 2026 installation guide says that at a 45 degree angle, the maximum joist span is 4 inches less than its chart.
• Boards must cross at least three joists. The same Trex guide says decking must span at least three joists, and that the IRC and IBC require a 40 psf rating for most walking surfaces.
• Board ends need wood under them. Deckorators says board ends must land on a joist, and where two ends meet, on a doubled joist or blocking. Its maximum cantilever is 1 inch. On an old frame, that often means adding blocking for picture-frame borders and butt joints.
• Tighter is stiffer. TimberTech says 12 inch spacing gives a stiffer feel and is standard for commercial decks.

New-build spacing is on our composite decks in Dallas page. For an old frame, measure the joists before you buy boards.

Trex and TimberTech framing rules for reusing a wood frame

Both say remove the old boards, inspect the frame, fix what's rotten, then build to their installation guide and local code. Trex's resurfacing steps are: get any necessary building permits, remove the old decking and railing but leave the framing, inspect all framing and hardware for code compliance and soundness, make the joists level and even, install the boards per the Trex Installation Guide, and attach new pressure-treated rail posts per code.

TimberTech's version is similar. Take the wood boards off, then confirm the joists, blocking and beams are in-plane, fastened and correctly spaced and the ledger is flush and properly fastened.

The other two big brands add their own conditions:

• Fiberon: its decking can go on an existing substructure only if the frame is free of damage or decay and the joists are spaced correctly. It calls for cross-ventilation under 50% of the deck, at least 1.5 inches from the bottom of the joists to the ground, and 6 inches of clear ventilation where ventilation is limited. It also says not to install its boards directly on a solid surface.
• Deckorators: its decking isn't structural and must not be used for posts, joists, beams or stringers. The boards ride on the frame; they don't strengthen it.

Low decks are where the ventilation rule bites, so check clearance before you order.

Joist tape and other upgrades worth doing while the boards are off

With the frame exposed, tape the joist and beam tops, re-fasten the ledger and add flashing, and replace rusted hangers. This is the only time in the deck's life that the tops of the joists are easy to reach.

• Joist and beam tape. Trex recommends its Trex Protect tape to extend the life of the frame. It seals around fasteners where they enter the framing and goes on joists, rim joists, beams, steps and ledgers, applied to clean, dry wood. At its 2018 launch, Trex Protect was a butyl tape in 1 5/8 inch widths for joists and 3 1/8 inch for beams, and Trex said an average deck needed about five rolls of joist tape and one of beam tape for less than $100. That price is from 2018.
• Ledger fastening and flashing. One builder's practice, described in JLC: tape the joist and beam tops, drive two 5/16 x 6 inch structural screws per joist bay into the ledger to pull it tight to the house, and flash the ledger, since the original was usually unflashed. The same builder says the frames he opens usually have decades of life left.
• Hardware. Replace rusted or heavily oxidized hangers and connectors, and use the galvanizing your jurisdiction requires.
• Railing posts. Trex's steps call for new pressure-treated rail posts attached per code.

Will a new composite deck on an old frame still be under warranty?

The board warranty covers the boards, not the frame. Trex's decking warranty excludes improper installation or not following Trex's installation guidelines, use in applications not recommended by Trex or local code, and movement, distortion, collapse or settling of the supporting structure.

In plain terms: a sagging old frame is not a board defect, and joists too far apart mean the install doesn't follow the guide. Either can leave new boards with no coverage for the problem.

Fasteners count too. Fiberon says using another manufacturer's hidden fasteners will void its warranty. Ask your installer which fastener system goes with the boards on your quote.

Can you put composite decking over a concrete patio?

Yes, with a sleeper system. Fiberon approves its decking over a concrete patio when it sits on sleepers with 1.5 inches of clearance under the boards. Its rules:

• Sleepers no more than 16 inches on center for residential, 12 inches for commercial
• Screws that go at least 1 inch into the concrete
• A flat, level surface
• Sleepers run parallel to the way water runs off

That fits Fiberon's broader rule not to install its boards directly on a solid surface.

Do you need a permit to replace deck boards in Dallas?

For most decks, plan on yes. Dallas requires a permit to erect, construct, enlarge, add to, alter, repair or replace a structure, and only small, low, freestanding decks are exempt. A deck skips the permit only if all of these are true: it is 200 square feet or less, no more than 30 inches above grade at any point, not attached to the house, clear of service-drop power lines, and not serving the required exit door.

We did not find a board-only exemption in the city code we read, so call the city's building inspection office before you start. For single-family alteration and repair permits, the fee table lists a base of $181 per dwelling unit plus $100 for additional trades, with the final fee calculated at submittal.

The manufacturers and national guides point the same way. Trex puts "obtain any necessary building permits" as the first step in resurfacing. Block's national guide says permits generally cover structural work, which in practice is everything short of swapping a few boards on an existing frame. Suburbs such as Plano, Frisco and Richardson run their own building departments, so check with your city. Our Dallas deck permit rules guide covers the process in detail.

Resurface or replace the whole deck? Cost side by side

On a sound frame, new boards and railing cost about $5,000 to $12,000 for 200 to 300 square feet, while a rebuild from the footings starts near $14,000 (Block, national).

The guides don't agree exactly, and the Dallas figures are for new decks, so use this to test quotes, not as a price list.

Resurfacing is the better fit if:

• The frame passes the inspection above with only a few joists to sister or replace
• The joists are at 16 inches or less, or adding joists is cheap on your layout
• You like the deck's size, height and stairs as they are
• A replacement quote comes in well above the resurfacing quote

Replacing the whole deck is the better fit if:

• The inspection finds rot across many joists, a bad ledger, or footings that have moved
• The deck is too low to inspect underneath
• You want a bigger footprint, a new layout or new stairs
• The new-deck quote is close to the resurfacing quote, as the Dallas numbers above suggest it can be

For the wider decision, including repairs short of resurfacing, read our guide on whether to repair or replace your deck.

What to ask a contractor before you re-board

Get the frame inspection, the joist spacing plan and a price for hidden framing repairs in writing. JLC notes that hidden damage can show up after demo, so framing fixes should be priced in the contract. Ask:

1. Will you inspect the frame with the boards removed, and what happens if you find rot?
2. What is the per-joist price to sister or replace a joist found during demo?
3. What spacing are my joists now, and what does the board on the quote require?
4. Will you tape the joists and beams, re-fasten and flash the ledger, and replace rusted hangers?
5. Does the install follow the manufacturer's guide and use its fasteners, so the board warranty holds?
6. Who pulls the permit?
7. What would a new deck in the same footprint cost, side by side?

Our guide on how to choose a deck builder covers what else to check before you sign.

If the frame doesn't pass

If the inspection says the frame is done, the next step is pricing a new deck. Archetex Outdoor Design Co. designs and builds new and replacement decks in composite and wood across Dallas and nearby cities, with a free site visit and a written price. Whoever you call, ask for the inspection findings in writing so you can compare a resurface and a rebuild on the same facts.