Geotextile for under paving horizontal drainage
HYDRODUCT® 660 GRACE Construction Products

High impact, creep-resistant geocomposite and protection layer for use with Grace waterproofing membranes on all horizontal applications
Description
Hydroduct® 660 is a highly robust, preformed, 0.433 in. (11 mm) thick geocomposite drainage sheet system, comprising a high impact, studded polystyrene core. This is covered on one side with a nonwoven, needle punched polypropylene filter fabric and on the other side with a smooth polymeric film. This film allows the Hydroduct 660 to be placed against waterproofing membrane and should not be removed.
Advantages:
- Universal horizontal application-suitable for all overburdens including concrete
- Damage and creep-resistant-high compressive strength core resists traffic loads and site damage to maintain drainage flow
- High flow capacity-drains 16 gal/min./ft 200 L/min./m) width
- Enhances waterproofing-eliminates hydrostatic head build up
- Securely bonded fabric-restricts intrusion into core
- Polymeric backing film-compatible with both sheet and liquid waterproofing membranes
- Lightweight-easy to install without special equipment
- Simple, convenient, drainage and protection layer-robust membrane protection