Semi-rigid URSA TERRA Sol T70P mineral wool panel, according to EN 13162 standard, non-hydrophilic with high mechanical performance, without coating. Supplied in panel . The product is recommended for floors. Properties: Reaction to fire: A2-s1,d0 Thermal conductivity coefficient:0.032 W/mK; thermal resistance R=0.60 [m2K/W] -thickness 20[mm], thermal resistance R=0.75 [m2K/W] -thickness 25[mm],