Installation Device - 4" System - For Galvanized & Stainless Edge Trench Drains aco-builder Cover: Black drop-in lid with

Cover: Black drop-in lid with plastic reader port for easy readings

Silt socks are a high performance erosion control alternative to silt fences or straw wattles and require much less maintenance over time due to the outer “netting” available in both polypropylene or cotton

- Size: 71W X 125L X 64H

must be purchased with a SignaRoad Mat***

- Size: 53W X 53L X 56H

Installation Device - 4" System - For Galvanized & Stainless Edge Trench Drains aco-builder Cover: Black drop-in lid withFits 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.