{"id":17496,"date":"2026-03-12T18:26:34","date_gmt":"2026-03-12T18:26:34","guid":{"rendered":"https:\/\/www.uslumber.com\/?post_type=products&#038;p=17496"},"modified":"2026-04-22T16:01:49","modified_gmt":"2026-04-22T16:01:49","slug":"solarwood","status":"publish","type":"products","link":"https:\/\/www.uslumber.com\/products\/specialty-lumber\/solarwood\/","title":{"rendered":"SolarWood"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"parent":964,"menu_order":0,"template":"page-templates\/product-subpage.php","class_list":["post-17496","products","type-products","status-publish","hentry"],"acf":{"modules":[{"acf_fc_layout":"product_intro","heading":"Solarwood","shop_and_call_block":{"link":{"title":"","url":"\/locations\/","target":""},"button":{"title":"Customer Portal","url":"https:\/\/www.mysbp.com\/","target":"_blank"}},"left_column":{"heading":"Solarwood","blurbs":[{"blurb_paragraph":"SOLARWOOD\u2122 is a sustainable wood solution enhanced through thermal modification at 413\u00b0F+. This process removes sugars and moisture-bonding sites, eliminating the need for chemicals while creating durable, dimensionally stable, rich-colored wood.<br>\r\n<br>\r\nAvailable in Poplar, Ash, Southern Yellow Pine, & Nordic Spruce, SOLARWOOD\u2122 resists weather-related decay, making it ideal for siding, decking, millwork, and other exterior uses, while also fitting beautifully into interior applications.<br>\r\n<br>\r\nWith minimal upkeep and long service life, SOLARWOOD\u2122 is made in the USA and offers a greener, high-performing alternative to chemical treated wood and synthetic plastic products as well tropical hardwood like teak and ipe."}]},"right_column":{"image_slider_nav_alignment":"vertical","image_slider":[{"image":17570,"video_url":""},{"image":17497,"video_url":""},{"image":17498,"video_url":""},{"image":17499,"video_url":""},{"image":17500,"video_url":""}]}},{"acf_fc_layout":"details_lists","spacing_options":{"top_spacing":"none","bottom_spacing":"none"},"heading":"About  Species ","lists":[{"heading":"Description","list_items":[{"list_item":"<b> ASH:<\/b> Thermally Modified Ash is an exceptionally durable and versatile species, ideal for high-traffic applications such as decking, porch flooring, siding, and trim. With a Class 1 durability rating and a striking natural grain pattern, it delivers a rare balance of performance and visual appeal, combining the warmth of hardwood with enhanced resilience for both exterior and interior use."},{"list_item":"<b> POPLAR:<\/b>Thermally Modified Poplar is an ideal choice for siding, trim, and millwork, offering a clean, consistent appearance with enhanced performance. As a hardwood, it resists grain raise and provides a refined, tight grain aesthetic suited to both modern and traditional designs with long lengths available. The thermal modification process increases dimensional stability, reducing warping, cupping, and joint separation while deepening the wood\u2019s natural color for a rich, uniform finish throughout."}]},{"heading":"","list_items":[{"list_item":"<b> SOUTHERN YELLOW PINE: <\/b>Thermally Modified Southern Yellow Pine delivers a strong combination of durability, stability, and value, making it an excellent choice for siding and porch flooring applications. The thermal modification process enhances resistance to moisture and decay while improving dimensional stability, reducing warping, cupping, and movement for tighter, longer-lasting installations. Its warm tones and familiar grain pattern provide a classic aesthetic suited to both traditional and modern designs. Cost-effective and sustainably sourced, it is modified without chemicals and offers easy machining and installation for precise profiles. While not recommended for decking, it excels in siding and covered porch"},{"list_item":"<b> NORDIC SPRUCE & PINE: <\/b>Thermally Modified Nordic Spruce and Pine offer a distinctive blend of knotty, rustic character, long lengths, and high-performance durability, making them an excellent choice for siding, soffits, ceilings, decking, and interior wall applications. Proven globally, the thermal  modification process enhances stability and resistance to moisture, decay, and movement while preserving the natural charm of knots and grain variation, creating a warm, organic aesthetic suited to both modern and traditional designs."}]}]},{"acf_fc_layout":"details_lists","spacing_options":{"top_spacing":"none","bottom_spacing":"none"},"heading":"Product Details","lists":[{"heading":"Features & Benefits","list_items":[{"list_item":"<b> THERMAL MODIFICATION:<\/b>SOLARWOOD\u2122 (thermally modified wood) Hardwoods are suitable for interior and exterior applications without the need for additional chemical preservatives. Our thermal modification processes enhance our North American Hardwood\u2019s aesthetic and performance properties, caramelizing the material to warm brown through-body tones while significantly improving durability and dimensional stability."},{"list_item":"<b> DURABILITY: <\/b>SOLARWOOD\u2122 Thermally Modified White Ash is classified as durability class 1 \u201cvery durable\u201d, while Thermally Modified Yellow Poplar is classified as durability class 2-3 \u201cdurable-moderately durable\u201d. Durability is consistent throughout the piece regardless of cutting or machining."},{"list_item":"<b> DIMENSIONAL STABILITY:<\/b>The lowered equilibrium moisture content of TMT Hardwoods increases their dimensional stability, allowing the material to retain its shape far better than untreated wood. This outstanding dimensional stability allows SOLARWOOD\u2122 products to be successfully used in all climates and environmental conditions, indoors and outdoors."},{"list_item":"<b> NON-TOXIC: <\/b>SOLARWOOD\u2122 Hardwoods are pure organic material produced using only natural methods-heat and steam-without additional chemicals."},{"list_item":"<b> INSTALLATION:<\/b>For installation information please refer to the SOLARWOOD\u2122 Installation Guide. As with most hardwood cladding products, pre-drilling and high quality stainless steelscrews will be paramount for best project outcomes."},{"list_item":"<b> USE CLASS: <\/b>SOLARWOOD\u2122 Hardwood products are suitable for Use Class 3 applications, \u201csituations in which the wood is above ground and exposed to the weather (particularly rain)\u201d including cladding fa\u00e7ade, rainscreen, decking and many other exterior applications. TMT Hardwoods are not recommended for use in direct ground contact applications."},{"list_item":"<b>MAINTENANCE:<\/b> SOLARWOOD\u2122 Hardwoods are durable and do not require maintenance, however, regular inspection and cleaning with fresh water and a soft bristle brush will help prevent and\/or diagnose possible staining or other visual anomalies. Any applied surface coatings should be maintained in alignment with manufacturer recommendations"}]},{"heading":"","list_items":[{"list_item":"<b> WASTE DISPOSAL:<\/b>SOLARWOOD\u2122 Hardwood off-cuts can be disposed of in the same manner as untreated wood, including burning."},{"list_item":"<b> LEACHING:<\/b>Minor release of the material\u2019s natural color pigment is possible during heavy rains early inthe product\u2019s lifecycle and in humid spaces like saunas and spas."},{"list_item":"<b> HANDLING:<\/b>Extra care must be taken during handling and installation to maintain the aesthetic consistency of the boards. Sorting and transfer should be done with support from both ends or the middle. If visible dents or scratches develop during handling, the through-body color modification allows surfaces to be sanded exposing fresh, tonally comparable wood."},{"list_item":"<b> FIRE RATING:<\/b> SOLARWOOD\u2122 Hardwood products are fire rated to Class B, in accordance with ASTM E84."},{"list_item":"<b> ACOUSTIC PROPERTIES:<\/b> SOLARWOOD\u2122 Hardwood walls, ceilings, floors, and other interior elements naturally dampen noise acting as soft, echo-reducing breaks in the space. The porous wood surface does not reflect sound in the same way as harder and artificial materials. The use of battens or Solarwood 3D profiles will further reduce ambient noise potential in the space."},{"list_item":"<b> MACHINEABILITY:<\/b> Processing will not affect the performance properties of SOLARWOOD\u2122 Hardwoods as the modification occurs through-body. Cut or machine using best practices for dense hardwoods, including sharp tooling and use of PPE."}]}]},{"acf_fc_layout":"document_cards","spacing_options":{"top_spacing":"none","bottom_spacing":"regular"},"heading":"","cards":[{"heading":" Solarwood Features Benefits Overview","file":17503},{"heading":"Ash Product Overview","file":18023},{"heading":"Knotty Rustic Product Overview","file":18024},{"heading":"Poplar Product Overview","file":18025},{"heading":"Southern Yellow Pine Product Overview","file":18026},{"heading":"Technical Data Sheet","file":17504},{"heading":"Porch Cladding Installation Points","file":17564},{"heading":"Porch Decking Installation Points","file":17565},{"heading":"Porch Flooring Installation Points","file":17566},{"heading":"Decking Clear Ash Product Sheet","file":17501},{"heading":"Decking Knotty Pine Product Sheet","file":18027}],"card_extra_link":""}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>SolarWood - U.S. LUMBER<\/title>\n<meta name=\"description\" content=\"Southern Yellow Pine landscape timbers are the core of the logs remaining after peeling the usable veneer. 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