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.

Ponding test for roof membranes.

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. D5957 98 2013 standard guide for flood testing horizontal waterproofing installations installation waterproofing membranes watertightness flood test. When can it damage the roof. Over time however ponding water can lead to accelerated aging of the roof membrane.

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. You can also have serious issues with your roof if that insulation. You can also perform preventative maintenance to ensure that the membrane stands the test of time. 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.

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. Another problem that can be combated with frequent inspections compressed insulation can be another leading cause of ponding water on your commercial roof. Ponding test is the application of static pressure by pounding water on the internal face. 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. The procedures were developed to determine the potential for leakage of water through the roof membranes resulting from a standing head of water and when pressurized with air from the underside.