2-4" Wellendi Sauna Rocks

Olivine Diabase Sauna Heater Stones Enhance your sauna experience with premium Olivine Diabase Sauna Stones , expertly selected for superior heat performance and long-lasting durability. Harvested from the shores of Lake Huron in Ontario, Canada , these high-quality stones are designed to deliver consistent, gentle heat and optimal steam (löyly) in any sauna setting. Why Choose Olivine Diabase? Olivine diabase is one of the best materials available for sauna heaters thanks to its exceptional physical properties: High Heat Retention – Maintains consistent temperatures for a more enjoyable sauna session Low Porosity – Minimizes cracking and extends stone lifespan Thermal Stability – Withstands repeated heating and cooling cycles Safe & Durable – Free from harmful substances and built for long-term use Designed for Performance These stones are tested and approved according to international aggregate standards, ensuring reliability and quality you can trust. Their shape and density promote excellent airflow when stacked properly, helping your heater operate efficiently while producing rich, satisfying steam. Compatibility Suitable for electric sauna heaters Suitable for wood-burning sauna stoves Not intended for fire pits or cooking use Available Sizes 5–10 cm (2–4 in) 10–15 cm (4–6 in) 20 kg (44 lb) boxes Usage Tips For best results, rinse stones thoroughly before use and stack loosely in your heater to allow proper airflow and even heat distribution.

Available through Ascend Saunas across Ontario. Delivery, installation, electrical, site prep, and final availability are confirmed before fulfillment.