URSA MRK 35 is a mineral wool roll faced on one side of a graph kraft paper.
The product has the following dimensions and R value: thickness 151, 180, 200, 220, 240, 245, 265, 280 mm, length 4200 mm, width 1200 mm with a R value of 4.30, 5.10, 5.70, 6.25, 6.85, 7.00, 7.55, 8.00 m².K/W.
The advantages of the URSA MRK 35 are: easy to cut due to the graph kraft, easy installation and assurance of a good thermal performance insulation.
The product has the following certifications: CE according to NF EN 13162, ACERMI certificate n°03/058/113, EUCEB and the performance declaration n°33UGW35KP16111.
The technical characteristics are: thermal conductivity (λD) = 0,035 W/(m.K), reaction to fire Euroclass = F, thickness tolerance = T2, water vapor resistance (Z) = 1 m².h.Pa/mg, water absorption at short term (WS) until 210 mm included = <1,0 kg/m² and insulation semi-rigidity = from 151 to 280 mm.