S2S (Surfaced Two Sides) milled lumber is precision-planed on the top and bottom, providing a smooth, uniform surface that’s ready for further processing or immediate use. Ideal for projects requiring consistent thickness and a clean finish, S2S lumber saves you time and effort in preparation. Choose from a variety of wood species and dimensions, all expertly milled to meet your project needs.
Thermory Knotty Pine is Scandinavian pine transformed through a chemical-free thermal modification process that uses only heat and steam. Sustained temperatures above 190°C fundamentally alter the wood's cell structure, driving off moisture and breaking down the organic compounds that fungi and insects feed on. The result is a dimensionally stable, rot-resistant board with a warm, deepened caramel tone and the character-rich knots that give knotty pine its signature appeal (Thermory).
To preserve that warm color and extend the wood's outdoor service life, each board is finished with Cutek Extreme Clear, a penetrating oil that soaks deep into the wood fibers rather than forming a surface film. Because Cutek works from the inside out, it stabilizes the board against moisture movement — the leading cause of cupping, splitting, and checking — without peeling or flaking like traditional coatings. The clear formulation contains no pigment, so the wood will naturally silver over time while remaining fully protected. Maintenance is straightforward: no sanding or stripping required, just a clean and re-oil when the surface begins to dry out (Cutek).
Ideal for exterior siding, soffits, ceilings, porch cladding, and covered outdoor living spaces where you want the authentic look of natural wood with modern durability.
| Spec | Detail |
|---|---|
| Species | Scandinavian Pine (thermally modified) |
| Product Line | Thermory Knotty Pine |
| Modification | Thermo-D (chemical-free, heat + steam) |
| Grade | Knotty / character grade |
| Finish | Cutek Extreme Clear (penetrating oil) |
| Finish Type | Oil-based, non-film-forming |
| Color | Warm caramel brown (weathers to silver-gray if left untreated over time) |
| Rot Resistance | Class 1 (highest durability class per EN 350) |
| Dimensional Stability | Significantly improved vs. untreated pine |
| Warranty | 25-year limited warranty against rot and decay (Thermory) |
| Applications | Exterior siding, soffits, porch ceilings, covered decks, cladding, outdoor living spaces |
| Maintenance | Clean and re-oil with Cutek Extreme as needed — no sanding or stripping required |
| Sustainability | FSC-certified options available; chemical-free modification process |
| Origin | Sourced and modified in Estonia / Northern Europe |