Reclaimed wood comes from barns, old houses, pallets, renovation leftovers and reuse stores. The good finds are free or cheap, but every board has a past: paint, preservatives, hidden nails and moisture. This page covers where to look, how to check what you find, and what to do with the boards that don't pass. If you're giving materials away rather than collecting them, start with how to find donation and reuse programs in your area. Stack of weathered reclaimed wood boards

Step 1: Decide What the Wood Is For

Pick the project before you start collecting. The use decides which boards are acceptable, how many you need and how much checking each one gets.
Project type Examples What to ask of the wood
Decorative, indoors Accent walls, frames, shelves for light items, trays, signs Clean, dry, no flaking paint, no chemical smell
Furniture and shelving Tables, benches, bookcases, mantels Sound boards, straight enough to work, known finish
Flooring and stair treads Wide-plank floors, treads, thresholds Matching thickness, stable moisture level, enough extra for culls
Outdoor projects Planters, fences, pergolas, raised beds Rot resistance, and no unknown treatment where food is grown
Structural use Beams, joists, posts, deck framing Grade and strength confirmed by a qualified professional or your building department
Reclaimed wood with no grade stamp has no known strength rating. Keep unknown boards out of anything that carries weight or people until a qualified professional has looked at them.

Step 2: Find Reclaimed Wood Sources

Most reclaimed wood comes from five kinds of sources. Each one trades cost against how much checking and cleanup you'll do yourself.
Source What you'll find Before you take it
Reclaimed lumber dealers Cleaned, de-nailed, often kiln-dried boards, beams and flooring Ask where the wood came from, how it was dried, and if it was checked for paint and metal
Building-material reuse stores Doors, trim, flooring, cabinets and lumber from renovations, such as Habitat for Humanity ReStore locations Stock changes daily; check boards one by one
Classifieds and neighborhood apps Free or cheap wood from barn, shed and fence take-downs Confirm the seller owns it and agree on who does the removal
Farms and old outbuildings Barn siding, beams, weathered planks Get the owner's written permission; never take from an abandoned building without it
Pallets and crates from local businesses Short hardwood and softwood boards Ask the manager first and check the stamp (see Step 3)
Construction sites and renovation projects also produce usable offcuts. Ask the site supervisor or homeowner. Don't take anything from a rented dumpster or job site without permission: the contents belong to the renter, and trespass rules differ by city and county. Build a short supplier list before you commit to one source:
Supplier Wood type and amount Origin known? Price or terms Delivery or pickup
         
         
         
Woman sorting through boards at a reclaimed wood source

Step 3: Check Condition and Contamination

Old wood can carry three hazards you can't see from across the yard: lead paint, chemical preservatives and asbestos-containing materials attached to it. Check each before the wood comes home.

Painted Wood

Paint on wood from a home built before 1978 may contain lead. The U.S. EPA's lead-safe renovation advice for DIYers (updated August 2026) notes that sanding, scraping, cutting and demolition create dust that may contain lead. If you can't confirm the paint is lead-free, either skip painted boards or have them tested before you sand, plane or cut them.

Treated Wood

Deck boards, fence posts and playground lumber are often pressure-treated. Health Canada's treated wood fact sheet (modified January 2019) says residential decks, fences and play structures built before 2004 are likely CCA-treated, and that aged treated wood can look like untreated wood. It also says:
  • Never burn treated wood, indoors or outdoors.
  • Saw and sand treated wood outdoors, with a dust mask, eye protection and gloves.
  • Don't use it for cutting boards, compost bins, mulch, or surfaces that touch food or drinking water.
If you can't tell if a board is treated, treat it as treated and keep it out of garden beds, indoor furniture and fire pits.

Pallets

Many shipping pallets carry an ISPM 15 stamp showing how the wood was treated for pests. The USDA's Animal and Plant Health Inspection Service runs two treatment programs behind that mark: heat treatment (HT) and methyl bromide fumigation (MB). An HT stamp is the one to look for. Skip pallets marked MB, pallets with no stamp, and any with stains, spills or a chemical smell.

Boards From Old Buildings

Wood pulled from older houses and barns may come with siding, insulation, flooring or roofing still attached. The EPA's asbestos advice for homeowners (updated June 2026) says you can't identify asbestos by looking, and that suspect materials shouldn't be sawn, sanded, scraped or drilled. Take only bare wood, and leave attached materials for a trained, accredited professional to assess.

Step 4: Check Suitability and Measurements

Once a board passes the contamination check, decide if it suits the project. Keep a simple record so you know what you have before you buy anything new.
Check What to look for Pass, fix or reject
Source and date Where it came from and the building's approximate age  
Finish Bare, stained, painted (tested?) or treated  
Metal Nails, screws, staples and broken-off fasteners; a metal detector wand finds hidden ones  
Rot and insects Soft spots, crumbling ends, holes with fresh dust  
Moisture Dampness, mold, or a moisture meter reading well above indoor wood  
Shape Cupping, twisting and splits that planing won't remove  
Size Thickness, width and length of every piece  
Measure every board. Older lumber often doesn't match today's standard sizes, and two boards from the same building can differ. For flooring, buy or collect extra to cover cut-offs and rejects, and let the wood sit indoors in the room where it will be installed before you lay it. Cutting a reclaimed wood plank to length

Step 5: Price the Preparation and Transport

Free wood isn't free once you count the work. Before you agree to a take-down or a load, list what it will cost you:
  • Removal: who takes the structure down, and who is responsible if something breaks
  • Transport: truck or trailer, straps, and how many trips
  • Preparation: de-nailing, cleaning, drying, planing and sanding time, plus blade wear from hidden metal
  • Testing: lead tests for painted boards you plan to keep
  • Waste: how you'll get rid of the rejects, offcuts and old fasteners
Compare that against a dealer's price for wood that has already been cleaned, de-nailed and dried. For a small project, buying prepared boards often costs less in time and tools than processing a free pile.

Step 6: Store, Use and Clear Out the Rest

Store reclaimed wood off the ground, under cover and with air around it. Stack boards flat with spacers between layers so they dry evenly. To clean bare wood, brush off dirt and loose fibers, wash with mild soap and water, and let it dry fully before finishing. Wear gloves and eye protection while de-nailing. Seal the finished project with a finish suited to its use, and follow the product label for indoor, outdoor or food-contact surfaces. Every reclaimed wood project leaves rejects: rotten ends, splintered pallets, offcuts and boards that failed the checks. Keep painted boards you suspect contain lead, and treated wood, separate from clean wood, since landfills and transfer stations set their own rules for both. Ask your local operator what they accept before you load anything. If a barn or shed take-down leaves a pile too big for curbside pickup, a small dumpster rental clears it in one trip. Reclaimed wood fits naturally into a wider plan to reuse materials during a remodel. Once you know what you can salvage, use it to plan a lower-waste renovation.
Bin There Dump That logo