{"product_id":"carbon-smart-5x8x8-indoor-sauna-kit-thermo-poplar","title":"Carbon Smart 5' x 8' x 8' Indoor Sauna Kit – Thermo Poplar","description":"\u003csection class=\"product-intro\"\u003e\n\u003cp\u003eThe Carbon Smart 5' x 8' x 8' Indoor Sauna Kit gives you everything needed to finish the interior of a residential sauna room — precisely cut and ready to install. Built with Thermo Poplar, a thermally modified wood chosen for its dimensional stability and resistance to the heat and humidity of a sauna environment, this kit is designed for homeowners and contractors who want quality materials without sourcing components separately. You supply the framing, insulation, electrical wiring, and exterior wall covering; we supply the rest. Choose your preferred heater and accessory package at checkout to configure the kit for your space.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"product-why-choose\"\u003e\n\u003ch2\u003eWhy Customers Choose the Carbon Smart Sauna Kit\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eComplete interior kit — all components precisely cut to your room dimensions\u003c\/li\u003e\n\u003cli\u003eThermo Poplar wood: thermally modified, chemical-free, and sustainably sourced\u003c\/li\u003e\n\u003cli\u003eAll-glass sauna door with wood handles and trim included\u003c\/li\u003e\n\u003cli\u003eMarine-grade vapor-proof sauna light included\u003c\/li\u003e\n\u003cli\u003eTraditional sauna bucket, ladle, thermometer, and headrest included\u003c\/li\u003e\n\u003cli\u003eChoice of six Harvia 8kW electric heater options at checkout\u003c\/li\u003e\n\u003cli\u003eOptional accessory packages: bench skirting, LED under-bench lighting, or both\u003c\/li\u003e\n\u003cli\u003eDetailed installation instructions included for DIY or contractor builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"product-highlights\"\u003e\n\u003ch2\u003eProduct Highlights\u003c\/h2\u003e\n\n\u003cdiv class=\"highlight-item\"\u003e\n\u003ch3\u003eThermo Poplar Wood Interior\u003c\/h3\u003e\n\u003cp\u003eAll wall boards, ceiling boards, bench boards, moldings, and flooring are made from Thermo Poplar — a wood thermally modified at approximately 374°F through a chemical-free process. This treatment improves dimensional stability and resistance to humidity and temperature fluctuations, making it well-suited for sauna interiors.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"highlight-item\"\u003e\n\u003ch3\u003eAll-Glass Sauna Door Included\u003c\/h3\u003e\n\u003cp\u003eThe kit includes an all-glass sauna door with wood handles and trim. The door frame measures 27.2\" x 78.7\" (690 x 2000 mm) and requires a rough opening of 28\" x 80\".\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"highlight-item\"\u003e\n\u003ch3\u003eConfigurable Heater Options\u003c\/h3\u003e\n\u003cp\u003eSelect from six Harvia 8kW electric heater options at checkout, ranging from built-in control models to WiFi-enabled heaters with app-based scheduling. All heater options include sauna stones.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"highlight-item\"\u003e\n\u003ch3\u003eAccessory Packages Available\u003c\/h3\u003e\n\u003cp\u003eCustomize your kit with optional bench skirting, LED under-bench lighting, or the Luxury Package that includes both. Select your preference at checkout.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"highlight-item\"\u003e\n\u003ch3\u003eMarine-Grade Vapor-Proof Lighting\u003c\/h3\u003e\n\u003cp\u003eA wall-mount, marine-grade, vapor-proof sauna light is included with every kit — rated for the heat and humidity conditions of a sauna room.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"highlight-item\"\u003e\n\u003ch3\u003eFoil Vapor Barrier Included\u003c\/h3\u003e\n\u003cp\u003eA foil vapor barrier is included to provide proper moisture protection between the sauna interior and the surrounding structure.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"highlight-item\"\u003e\n\u003ch3\u003eSustainably Sourced Wood\u003c\/h3\u003e\n\u003cp\u003eAs part of the Carbon Smart line, the Thermo Poplar used in this kit is responsibly sourced to support carbon-smart forestry practices.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"product-specifications\"\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRoom Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5' x 8' x 8' (W x L x H)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Ceiling Height\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 feet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWood Species\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThermo Poplar (thermally modified)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWall and Ceiling Boards\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1x4 tongue and groove, Thermo Poplar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBench Boards\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClear 1x4, 20\" deep, Thermo Poplar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDoor Frame Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e27.2\" x 78.7\" (690 x 2000 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDoor Glass Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24.4\" x 77.3\" (620 x 1963 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDoor Frame Thickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.65\" x 3.6\" (42 x 92 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRough Opening Required\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e28\" x 80\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWall Board Direction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHorizontal (standard); interior seam added if room width exceeds 8 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeater Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo Heater, or choice of six Harvia 8kW models (see Heater Comparison below)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAccessory Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo Accessories, Bench Skirting, LED Under Bench Lighting, or Luxury Package (both)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShipped Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e800 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVendor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFinnish Sauna Builders\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"product-in-box\"\u003e\n\u003ch2\u003eWhat's Included in the Kit\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFoil vapor barrier for moisture protection\u003c\/li\u003e\n\u003cli\u003eErgonomic backrests\u003c\/li\u003e\n\u003cli\u003e1x4 tongue and groove boards for walls and ceiling (Thermo Poplar)\u003c\/li\u003e\n\u003cli\u003eClear 1x4 bench boards with supports, 20\" deep (Thermo Poplar) — custom-built to your chosen bench configuration\u003c\/li\u003e\n\u003cli\u003eCorner moldings for walls, ceiling, and baseboards (Thermo Poplar)\u003c\/li\u003e\n\u003cli\u003eAll-glass sauna door with wood handles and trim\u003c\/li\u003e\n\u003cli\u003eDuckboard flooring for walk area (Thermo Poplar)\u003c\/li\u003e\n\u003cli\u003eUpper and lower vent grills for air circulation\u003c\/li\u003e\n\u003cli\u003eTraditional sauna bucket with liner and ladle\u003c\/li\u003e\n\u003cli\u003eSauna thermometer\u003c\/li\u003e\n\u003cli\u003eComfortable headrest\u003c\/li\u003e\n\u003cli\u003eMarine-grade, wall-mount, vapor-proof sauna light\u003c\/li\u003e\n\u003cli\u003eDetailed installation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eHeater and accessory packages are selected at checkout and shipped as part of your order where applicable.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"product-heater-comparison\"\u003e\n\u003ch2\u003eHeater Option Comparison\u003c\/h2\u003e\n\u003cp\u003eAll heater options are Harvia 8kW electric models. Sauna stones are included with every heater option. Select your preferred model at checkout.\u003c\/p\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSeries\u003c\/th\u003e\n\u003cth\u003eControl Type\u003c\/th\u003e\n\u003cth\u003eWiFi\u003c\/th\u003e\n\u003cth\u003eStones Included\u003c\/th\u003e\n\u003cth\u003eRailing Included\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eHarvia KIP80B\u003c\/td\u003e\n\u003ctd\u003eKIP Series\u003c\/td\u003e\n\u003ctd\u003eBuilt-in Control\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHarvia Cilindro PC80\u003c\/td\u003e\n\u003ctd\u003eCilindro Series\u003c\/td\u003e\n\u003ctd\u003eBuilt-in Control\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHarvia KIP80W\u003c\/td\u003e\n\u003ctd\u003eKIP Series\u003c\/td\u003e\n\u003ctd\u003eWiFi Control\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHarvia Cilindro PC80E\u003c\/td\u003e\n\u003ctd\u003eCilindro Series\u003c\/td\u003e\n\u003ctd\u003eWiFi Control\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHarvia Spirit\u003c\/td\u003e\n\u003ctd\u003eSpirit Series\u003c\/td\u003e\n\u003ctd\u003eWiFi Control\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHarvia Virta\u003c\/td\u003e\n\u003ctd\u003eVirta Series\u003c\/td\u003e\n\u003ctd\u003eWiFi Control\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cdiv class=\"highlight-item\"\u003e\n\u003ch3\u003eKIP Series (KIP80B and KIP80W)\u003c\/h3\u003e\n\u003cp\u003eCompact wall-mounted design. The KIP80B uses a built-in manual control panel. The KIP80W adds WiFi connectivity for app-based control and scheduling.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"highlight-item\"\u003e\n\u003ch3\u003eCilindro Series (PC80 and PC80E)\u003c\/h3\u003e\n\u003cp\u003eCylindrical design with a large stone capacity. The PC80 uses a built-in control panel. The PC80E adds WiFi connectivity for remote control via smartphone.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"highlight-item\"\u003e\n\u003ch3\u003eHarvia Spirit\u003c\/h3\u003e\n\u003cp\u003eModern aesthetic with WiFi connectivity and app-based control. Heater stones included.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"highlight-item\"\u003e\n\u003ch3\u003eHarvia Virta (with Safety Railing)\u003c\/h3\u003e\n\u003cp\u003eWiFi-enabled with app-based control. The only heater option in this kit that includes a protective safety railing. Heater stones included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"product-ideal-for\"\u003e\n\u003ch2\u003eIdeal For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHomeowners building a new indoor sauna room from scratch\u003c\/li\u003e\n\u003cli\u003eContractors and DIY builders who want pre-cut, ready-to-install interior components\u003c\/li\u003e\n\u003cli\u003eThose who prefer to source framing, insulation, and electrical separately\u003c\/li\u003e\n\u003cli\u003eCustomers who want to select their own heater model and accessory configuration\u003c\/li\u003e\n\u003cli\u003eResidential sauna rooms with an 8-foot ceiling height\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"product-important-info\"\u003e\n\u003ch2\u003eImportant Information\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThis kit supplies interior sauna components only. Framing, insulation, electrical wiring, and exterior wall covering are not included and must be supplied separately.\u003c\/li\u003e\n\u003cli\u003eRecommended ceiling height is 8 feet per manufacturer safety and clearance guidelines. Contact Finnish Sauna Builders for custom ceiling height requirements before ordering.\u003c\/li\u003e\n\u003cli\u003eWall boards run horizontally by default. If room width exceeds 8 feet, an interior seam will be added where two boards meet to span the width.\u003c\/li\u003e\n\u003cli\u003eThe kit includes an all-glass door. Some product images may show a glass wall for reference — your shipment will include the all-glass door as described.\u003c\/li\u003e\n\u003cli\u003eBackrests are shipped flat. If an angled backrest is preferred, additional spacers can be created on-site to achieve the desired pitch.\u003c\/li\u003e\n\u003cli\u003eIf a heater is selected, electrical installation must be performed by a licensed electrician in accordance with local codes. All Harvia heater options require a dedicated 240V electrical circuit.\u003c\/li\u003e\n\u003cli\u003eBench configurations are custom-built to your chosen layout. Review the configuration options in the product images before ordering.\u003c\/li\u003e\n\u003cli\u003eContact Finnish Sauna Builders before ordering if you have questions about room dimensions, ceiling height, or heater sizing for your specific space.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"product-faq\"\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cdetails class=\"faq-item\"\u003e\n\u003csummary class=\"faq-question\"\u003eWhat does this kit include?\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cp\u003eThe kit includes all interior sauna components: tongue and groove wall and ceiling boards, bench boards and supports, corner moldings, duckboard flooring, an all-glass sauna door with wood handles and trim, a foil vapor barrier, upper and lower vent grills, ergonomic backrests, a headrest, a sauna bucket with liner and ladle, a sauna thermometer, a marine-grade vapor-proof light, and detailed installation instructions. Heater and accessory packages are selected separately at checkout.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"faq-item\"\u003e\n\u003csummary class=\"faq-question\"\u003eWhat do I need to supply that is not included?\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cp\u003eYou supply the framing, insulation, electrical wiring, and exterior wall covering. Everything needed for the sauna interior is included in the kit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"faq-item\"\u003e\n\u003csummary class=\"faq-question\"\u003eWhat is Thermo Poplar and why is it used?\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cp\u003eThermo Poplar is a sustainably sourced wood that has been thermally modified at approximately 374°F through a chemical-free process. This treatment improves the wood's dimensional stability and resistance to humidity and temperature fluctuations — properties that make it well-suited for sauna interiors. It also produces a warm, rich tone.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"faq-item\"\u003e\n\u003csummary class=\"faq-question\"\u003eCan I choose my heater?\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cp\u003eYes. You can select from six Harvia 8kW electric heater options at checkout, or choose \"No Heater\" if you plan to source a heater separately. All heater options include sauna stones. See the Heater Option Comparison section above for details on each model.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"faq-item\"\u003e\n\u003csummary class=\"faq-question\"\u003eWhat accessory packages are available?\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cp\u003eYou can add bench skirting, LED under-bench lighting, or the Luxury Package (which includes both) at checkout. You can also select \"No Accessories\" if you prefer the standard kit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"faq-item\"\u003e\n\u003csummary class=\"faq-question\"\u003eWhat ceiling height does this kit require?\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cp\u003eThe recommended ceiling height is 8 feet per manufacturer safety and clearance guidelines. If your space has a different ceiling height, contact Finnish Sauna Builders before ordering to discuss options.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"faq-item\"\u003e\n\u003csummary class=\"faq-question\"\u003eWhat rough opening does the sauna door require?\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cp\u003eThe all-glass sauna door requires a rough opening of 28\" x 80\". The door frame measures 27.2\" x 78.7\" (690 x 2000 mm).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"faq-item\"\u003e\n\u003csummary class=\"faq-question\"\u003eWhich heater option includes a safety railing?\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cp\u003eOnly the Harvia Virta 8kW WiFi option includes a protective safety railing. All other heater options do not include a railing, though one may be added separately if required by local code.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"faq-item\"\u003e\n\u003csummary class=\"faq-question\"\u003eIs this kit suitable for commercial use?\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cp\u003eThis kit is designed primarily for residential use. Contact Finnish Sauna Builders to discuss commercial applications and whether this kit meets the requirements for your project.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c\/section\u003e\n\n\u003csection class=\"product-closing\"\u003e\n\u003cp\u003eThe Carbon Smart 5' x 8' x 8' Indoor Sauna Kit is a well-specified, configurable package for homeowners and contractors who want quality interior components without the complexity of sourcing materials individually. Select your wood type, heater, and accessory package at checkout, and our team will follow up to coordinate delivery and answer any pre-installation questions.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does this kit include?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The kit includes all interior sauna components: tongue and groove wall and ceiling boards, bench boards and supports, corner moldings, duckboard flooring, an all-glass sauna door with wood handles and trim, a foil vapor barrier, upper and lower vent grills, ergonomic backrests, a headrest, a sauna bucket with liner and ladle, a sauna thermometer, a marine-grade vapor-proof light, and detailed installation instructions.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What do I need to supply that is not included?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"You supply the framing, insulation, electrical wiring, and exterior wall covering. Everything needed for the sauna interior is included in the kit.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is Thermo Poplar and why is it used?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Thermo Poplar is a sustainably sourced wood thermally modified at approximately 374°F through a chemical-free process. This improves dimensional stability and resistance to humidity and temperature fluctuations, making it well-suited for sauna interiors.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I choose my heater?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. You can select from six Harvia 8kW electric heater options at checkout, or choose No Heater. All heater options include sauna stones.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What accessory packages are available?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"You can add bench skirting, LED under-bench lighting, or the Luxury Package (which includes both) at checkout. You can also select No Accessories.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What ceiling height does this kit require?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The recommended ceiling height is 8 feet per manufacturer safety and clearance guidelines. 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