Is Hardwood Installation a DIY Project?
Solid hardwood installation is possible for an experienced DIYer, but it’s one of the more demanding flooring installations. It requires specialized tools (flooring nailer or stapler), precise subfloor preparation, and a good eye for layout. Engineered hardwood is somewhat more forgiving. Many homeowners choose to hire a professional — and it’s usually worth it for hardwood given the material cost.
Step 1: Acclimate the Wood
This step is non-negotiable. Wood expands and contracts with humidity changes, and it needs time to adjust to your home’s environment before installation.
- Store unopened boxes in the installation room for a minimum of 3–5 days (some manufacturers recommend up to 14 days)
- The room should be at its normal living temperature and humidity
- Don’t skip this step — failing to acclimate is a leading cause of gapping, buckling, and squeaking
Step 2: Prepare the Subfloor
Hardwood has zero tolerance for a poor subfloor. Your subfloor must be:
- Flat: Within 3/16″ over a 10-foot span. Grind down high spots; use floor leveling compound for low spots.
- Dry: Moisture content of a wood subfloor should be within 2–4% of the hardwood planks. Test concrete subfloors with a calcium chloride moisture test.
- Structurally sound: All loose boards secured, no soft spots or rot.
- Clean: Free from all adhesive, debris, and dust.
Step 3: Install a Moisture Barrier
Over wood subfloors, install a layer of rosin paper or approved underlayment to act as a moisture barrier and reduce squeaking. Over concrete, a full moisture barrier membrane is required before engineered hardwood installation.
Step 4: Plan Your Layout
- Run planks parallel to the longest wall in the main area for the most natural look.
- Snap a chalk line to ensure your first row is perfectly straight — everything else builds off this.
- Maintain a 1/2″ expansion gap around all walls and fixed objects.
- Stagger end joints by at least 6 inches and avoid H-patterns.
- Check that your last row won’t end up narrower than 1.5″ — adjust starting position if needed.
Step 5: Nail or Glue Down
Solid hardwood over a wood subfloor is typically nail-down (or staple-down), using a pneumatic flooring nailer. Engineered hardwood can be nail-down, glue-down, or floating depending on thickness and manufacturer specs. Follow the manufacturer’s fastener schedule — typically every 6–8 inches along the length of the plank, through the tongue.
Step 6: Finishing Touches
- Install baseboards or shoe molding to cover expansion gaps
- Install transitions at doorways and room changes
- Wait 24 hours before moving furniture back if using adhesive
Common Mistakes to Avoid
- Not acclimating the wood long enough
- Installing over a wet or uneven subfloor
- Skipping the expansion gap (floors will buckle)
- Inconsistent nailing pattern leading to squeaks
- Cutting planks indoors without dust control
Have questions about your specific project? Our team at Total Value Flooring can help you plan the job and pick the right installation method for your situation.