... of up to 50 years or more.2 The surface material for the fiber network structure without rules,can be used various ... applied to all types of industry ,civil construction of the roof ,the ground floor ,kitchen and toilet of water ,ground moisture ... .3MPaNo water permeabilityCold bending ≤-20No cracksStrengthening of the fabric with the composite sheet ,the main material thickness of less than 0.8mm ...