Hydroduct 220 Drainage Composite consists of a 0.375 in. thick drainage core, a high performance geotextile, and a high strength backing film.
- Designed to collect and transport water, it is recommended for use on foundation walls, retaining walls, bridge abutments, tunnels, earth-sheltered structures and planters.
- It serves as a drainage composite and protection course for all Bituthene® waterproofing membranes used on all vertical applications.
Stocked in 4’ x 50’ rolls.