Purchasers typically pay for thermally modified wood (TM wood) with price ranges influenced by size, grade, and region. The cost will reflect raw material, processing, and any finish or installation needs; the article below breaks down the price factors and provides practical estimates for budgeting.
| Item | Low | Average | High | Notes |
|---|---|---|---|---|
| TM lumber boards (per sq ft) | $2.50 | $3.50 | $5.50 | 6- to 8-ft lengths common; darker grades cost more |
| TM decking boards (per sq ft, installed) | $5.50 | $7.00 | $10.00 | Includes fasteners and minor prep |
| TM siding panels (per sq ft) | $4.00 | $6.00 | $9.00 | Thickness and profile affect pricing |
| Labor for installation (per hour) | $40 | $60 | $90 | Varies by region and crew experience |
| Delivery fee | $50 | $120 | $400 | Distance and vendor policies drive cost |
Understanding the price range for TM lumber boards per square foot
Thermally modified lumber commonly lands in the $2.50 to $5.50 per sq ft bracket, depending on species, dimension, and the kiln process used. Weather resistance and dimensional stability often justify the higher end, particularly for exterior uses. Assumptions: standard 1×6 to 1×8 boards, Midwest or South regions, standard moisture content, and mainstream tree species.
| Scenario | Low | Average | High | Notes |
|---|---|---|---|---|
| Standard 1×6 board, grade C | $2.50 | $3.60 | $4.80 | Fair-face grade with typical finish |
| Premium species, thicker boards | $3.80 | $5.20 | $7.50 | Includes tighter grain and richer color |
Components that shape a TM wood quote
Quotes break down into major cost areas: Materials, Labor, and Delivery. Materials cover the raw TM boards and any finished profiles, while Labor accounts for framing, fasteners, and surface prep. A typical project also includes delivery and optional trim or sealing. Assumptions: standard residential deck or siding project, normal site access, and basic surface prep.
| Cost Component | Low | Average | High | Why it matters |
|---|---|---|---|---|
| Materials (TM boards, fasteners, sealant) | $1,200 | $2,000 | $4,000 | Board count and fastener quality drive this |
| Labor (installation time, crew) | $800 | $1,500 | $2,800 | Based on 2-3 workers for 2-4 days |
| Delivery/Disposal | $60 | $150 | $350 | Distance and debris handling affect price |
| Finish/Sealing (optional) | $0 | $200 | $600 | Outdoor-grade sealants or oils add cost |
| Permits (where required) | $0 | $100 | $400 | varies by municipality and project scope |
Which variables most impact a TM wood quote
Project size and climate drive the final price. Decks over 300 sq ft increase material and labor demands, especially in high-wind or high-humidity regions. Engineered profiles or thicker siding add cost, while choosing lower-grade, shorter boards can reduce the material bill. Assumptions: mid-size residential project, average climate exposure, standard access, and non-specialty finishes.
How to trim costs without sacrificing TM wood quality
Smart scope control and timing can shave dollars from the quote. Order common stock sizes to minimize cuts, bundle delivery, and avoid premium profiles unless necessary. If replacing existing framing, compare repair versus full replacement, and consider mid-range finishes instead of high-end sealants. Assumptions: typical U.S. suburban home, standard deck or siding replacement, and no custom milling on site.
Regional differences that shift pricing for TM wood
Prices vary by market density, import costs, and local labor. Coastal California or Pacific Northwest regions show higher per-unit rates due to transport and demand. The same board can cost more in a city milieu than in rural markets. Assumptions: single-family project, outdoor use, and standard delivery radius.
Material grade and thickness as price drivers for TM wood
Higher grade and thicker profiles raise both material and finishing costs. For decking, 5/4 inch boards cost noticeably more per sq ft than 3/4 inch alternatives, even before finishing. Siding with deeper profiles or smooth vs. textured surfaces also shifts the price. Assumptions: typical exterior application, standard spans, and normal weather exposure.
Labor costs and time considerations for TM wood installations
Labor rates reflect region and crew experience. Two skilled workers for a 250- to 350-sq-ft deck typically total $1,200-$2,500 in labor alone. Anticipate additional time for precise cuts and weather-dependent scheduling. Assumptions: 2–3-person crew, standard fasteners, no permit delays.
Comparisons: thermally modified wood versus traditional options
TM wood offers durability advantages over untreated softwoods and can rival pressure-treated options in longevity. Prices per sq ft may be higher than pine, but maintenance costs over time often balance the initial premium. Consider a 150- to 200-sq-ft installation to evaluate long-term value. Assumptions: similar scope and finish level across materials.
Three real-world quote examples for TM wood projects
Example A shows typical deck work in a suburban lot with standard 6×8 boards and basic sealant. Total: $3,100–$4,400, including labor and delivery.
Example B uses premium profiles in a coastal climate with higher labor rates. Total: $6,500–$9,200.
Example C focuses on TM siding for a 900 sq ft home with mid-range finish. Total: $8,000–$12,500.
Summary of key price ranges by project type
| Project Type | Low | Average | High | Notes |
|---|---|---|---|---|
| Deck installation (TM boards, 250–350 sq ft) | $3,100 | $4,600 | $7,800 | Labor and materials included |
| Siding installation (TM panels, 900 sq ft) | $7,500 | $10,500 | $14,000 | Includes sealing and trim |
Assumptions: standard climate, normal access, typical mid-range finish, and non-custom milling.