Dry-Tech studded insulation panel, made of waterproof sintered polystyrene with graphite according to UNI EN 13163, closed-cell structure and high mechanical resistance. These panels have a moulded surface with special grooves so that the thermal diffusers can be fitted into them to hold the pipes. Thermal conductivity 0.035 W/ (m・K). Spacing of 140-280 mm. Size: 1120x560x10 mm. Product availability A = Always B = in 7 working days