Installation device - 8" system - For Galvanized & Stainless Edge Trench Drains ece The 3811R has fabric on

The 3811R has fabric on both sides

these mats are engineered with UV resistance and anti-static properties

For use with K1-40/K1-040/K1-0403 channels

Each 12-inch wide and 1-inch-thick drainage mat is placed under the turf spaced every 15 feet apart draining to the outside perimeter of the field

promoting ideal growing conditions

Installation device - 8" system - For Galvanized & Stainless Edge Trench Drains ece The 3811R has fabric onFits molded recesses on body of channel. Provides height and joint alignment a sliding clamp locks the two channels together. Bolt to rebar on either side of channel to hold channels in place during concrete pour. Not reusable; it is 'lost' within concrete haunch.