To assess characteristics for the DrainBlock Bag™ as manufactured by Steve Vick International (SVI) to permanently block a redundant sewer lateral or drain. It is applicable to clay, concrete, metal and plastic pipes for sizes of for 100mm (4”) and 150mm (6”) pipes. Other dimensions can be made to special order.
The DrainBlock Bag™ uses expanding polyurethane resin foam with a delayed gel formula, which is mixed in a sealed sachet. The sachet is mixed and then placed in a zippered DrainBlock Bag™ and pushed into the drain to the required position using drain rods. As the resin foam expands it forms a solid plug within the host pipe approximately 300mm in length.
Full details can be found in the Assessment Schedule.
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