Roof Flood Test Procedure

It is possible you will have to pick him up off of the floor.

Roof flood test procedure.

In many parts of the country roof design live loads are 20 psf which for large tributary areas can be reduced to 12 psf. 20psf corresponds to just under 4 inches of water. Testing is performed for a minimum of 24 hours and maximum of 72 hours when rainfall is not forecasted to occur. 5 1 this test method is a standard procedure for determining water leakage through metal roof panel system sideseams endlaps and roof plane penetrations when the roof system is subjected to a specified static water pressure head.

If you contemplate flooding your roof please check with your structural engineer. Water height is maintained so as not to exceed a minimum level of 2 inches below the edge of flashings. Flood testing to detect leaks and verify the quality of newly installed assemblies has a long history in the roofing industry. A pressure differential that simulates wind is created between the interior and exterior of the building and the interior is inspected for any leaks.

It is commonly referenced as the standard for flood testing roof systems. Is specifically designed for use under ceramic tile and stone and can be flood tested in 24 hours at 70 f 21 c or higher. 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. The aama testing involves a calibrated spray nozzle that applies water at a known rate and pressure to very limited and specific areas.