Ponding Test For Roof Membranes

Astm e1105 and aama 501 2 test methods are good overall methods commonly used to test exterior walls sloped glazing and shallow pitched roofs to help identify leak sources.

Ponding test for roof membranes.

Astm d5957 standard guide for flood testing horizontal waterproofing installations is a guide for conducting flood testing of horizontal surfaces with slopes no greater than 1 4 in. D5957 98 2013 standard guide for flood testing horizontal waterproofing installations installation waterproofing membranes watertightness flood test. Ponding water accelerates roof system aging by. Bathrooms tiles typically face water seepage which lead to the formation of molds and dripping from the ceilings of the floor below.

The testing is done to check for any colored water leakages. This astm testing procedure utilizes a calibrated spray rack with specific water pressures nozzles and distances to wet a wall with water at the rate of five gallons per square foot per hour. Over time however ponding water can lead to accelerated aging of the roof membrane. Flood testing to detect leaks and verify the quality of newly installed assemblies has a long history in the roofing industry.

Ponding test is the application of static pressure by pounding water on the internal face. 1 1 this test method covers the determination of water migration resistance of roof membranes including built up roof membranes modified bitumen and single ply roof membranes. When can it damage the roof. Ponding water isn t an immediate threat in fact roof membranes are made with the same material as pond liners so water penetration is unlikely.

Bring in a roofing contractor to perform an inspection once or twice a year to ensure that the membrane is holding up and not worn or damaged in areas. Another problem that can be combated with frequent inspections compressed insulation can be another leading cause of ponding water on your commercial roof.