The Polylok product line is cheap and poorly designed. I highly recommend the Tuf-Tite, Inc. drainage products. They are superior quality with a much more robust design. http://www.tuf-tite.com/drainage.html . Good Luck.
The Polylok product line is cheap and poorly designed. I highly recommend the Tuf-Tite, Inc. drainage products. They are superior quality with a much more robust design. http://www.tuf-tite.com/drainage.html . Good Luck