The geotextile is approximately 3.8 mm thick
Cut in the shape they are sold
All one piece for easy installation
Recommended under to be installed in between the crusher dust and the liner
For best results when installing, pin down the geotextile in a few areas around the pool to make sure the geotextile does not move and you continue building. Always make a visual inspection of the geotextile before installing to remove any debris that may have blown on to it or been dragged in from your shoes.