beijingsoho
https://www.beijingsoho.com/products/50mm-underfloor-heating-insulation-boards.html
SOHO's underfloor heating insulation boards 50mm, made from high-quality XPS (extruded polystyrene), incorporate Low Internal Stress Technology to ensure smooth, stable installation with enhanced durability and performance. These advanced insulation boards offer excellent thermal conductivity, effectively distributing heat across your underfloor heating system while minimizing energy waste. Suitable for both wet and dry heating systems, as well as wooden and tile floors, these boards meet the needs of residential, commercial, and renovation projects.