Star dropper penetrated PVC underfloor drainage during construction of extension in two separate places. Drainage was located below, bathroom, laundry and parquetry lounge room floors. Drainage continually blocking due to paper and debris catching on edges and extensions being undermined due to ingress of underfloor soil.
Inserted 3m liner from limited access. Sealed over all breaks and damaged to the pipe recreating a seamless pipe within a pipe thus reforming its structural integrity of the pipeline.