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IG2™ Test Results




We submitted IG2™ to many tests. As shown here, we emptied a 10-liter bucket of water in one roof spot for an average of 35 seconds (without spilling water over the gutter edge).

This translates to handling as much as 73 inches of rain per hour on a typical 16-foot high roof, similar to the one shown here.















IG2™ Tested at Roof Valley

Water collects in very high volumes at roof valleys, so these test results are particularly significant.

IG2™ as shown here drained 37.5 liters of water per minute (8.51 gal/min).

Test conditions:
- Asphalt shingle roof with a 6/12 pitch
- IG2™ with an approximate 1/5 pitch
- IG2™ installed with a U-Channel, positioned with its taller (1/4") edge up

This translates to handling as much as 4.66 inches of rain per hour at a 22-foot long valley of a 6/12 pitched roof (a typical 16-foot high roof). This is the equivalent of draining as much as 119 inches of rain per hour at a straight run on a typical 16-foot high roof.


IG2™ Technical Specifications
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