UNE 104481-3-2:2010 Test methods for membranes for waterproofing. Part: 3-2: Test for watertightness of waterproofing sheet joints using the pressure air method
2010UNE 104481-3-2:2010 Test methods for membranes for waterproofing. Part: 3-2: Test for watertightness of waterproofing sheet joints using the pressure air method