... .H.R 15/40:1*40m Fieltro M.H.R 10/40:1*40m ASTM D226, ASTM D4869 Asphalt waterproof building ... M.H.R 15/40Fieltro M.H.R 10/40Fieltro M.H.R 10/16Resistance to tearing 12,9 +/- 4,2 N9 ... /m2238,8 +/- 1,3 g/m2Gross Weight14 kg (>13,5)11,6 kg(>10,6)9 kg(>8,3)3,6 kgThickness0,36 +/- 0 ... fieltro M.H.R. 15/40 and M.H.R 10/40