Features. Perforated drain-pipe expands in length from 2 to 8-feet – compatible with most traditional 3-inch and 4-inch corrugated pipe and 4-inch pvc. The perforations drain the area along the full length of the pipe to discharge at the end. Exceeds the following astm standards – flex-drain outperforms the leading brand of corrugated pipe with brittleness stiffness and joint integrity. Engineered to outperform – Installs faster requires 15th the storage and transport space and perforated pipe has 14 better flow rate. Advanced design for superior performance – outperforms in freeze and thaw conditions also has 30-percent higher load-bearing rating from our patented peak and valley design. Advanced design for superior performance; the perforations drain the area along the full length of the pipe to discharge at the end. Engineered to outperform – installs faster requires 15th the storage and transport space and perforated pipe has 14 percent better flow rate. Size – 4 in. x 8 ft.
- Perforated drain-pipe expands in length from 2 to 8-feet – compatible with most traditional 3-inch and
- The perforations drain the area along the full length of the pipe to discharge at the end
- Exceeds the following astm standards – flex-drain outperforms the leading brand of corrugated pipe with
- Engineered to outperform – Installs faster, requires 1/5th the storage and transport space,
- Advanced design for superior performance – outperforms in freeze and thaw conditions, also has 30-percent