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DELTA® protects property.
Saves energy.
Creates comfort.

Cosella-Dörken Products, Inc.
4655 Delta Way
Beamsville, ON L0R 1B4
Canada
Phone: 1-905-563-3255
Toll Free: 1-888-4DELTA4
Fax: 1-905-563-5582
Email: info@cosella-dorken.com

© Cosella-Dörken Products
A company of the Dörken Group

DELTA®-FLORAXX - Garden Roof Applications

DELTA®-FLORAXX provides a high water retention capacity combined with outstanding drainage characteristics, and is an ideal and sustainable component in garden roof designs.

Properties

DELTA®-FLORAXX is a perforated drainage board specifically designed for use in garden roof assemblies. The product features large, 20 mm high dimples with and octagon shape for outstanding compressive strength. Due to its high water retention capacity and its ability to effectively drain away surplus water this special membrane is ideal for use in extensive or intensive rooftop gardens.

Material

Studded membrane made of special, high-density polyethylene. Drains surplus water effectively through large perforations between the 20 mm high octagon-shape dimples. This environmentally friendly product is rot-proof in contact with soil.

Application

DELTA®-FLORAXX retains rainwater in its high capacity dimples - an important safety factor for the plants on any garden roof. Any surplus-water can effectively drain away through the perforations and the open channel system under the dimple sheet.

DELTA®-FLORAXX is easily installed on top of a root-proof waterproofing system.

Technical Data

Product name	DELTA®-FLORAXX
Dimple height	0.79 in (20 mm)	ASTM D6364-06
Compressive strength	4,160 psf (200 kN/m²)	ASTM D6364-06
Water retention capacity	21.98 fl. oz / ft² (7 l/m²)
Drain capacity between dimples (Flow rate @ Hydr. grad. 0.1; 5 kPa)	13 gal/min/ft (161 l/min/m)	ASTM D4716-08
Drain capacity between dimples (Flow rate @ Hydr. grad. 0.02; 5 kPa)	5.7 gal/min/ft (71 l/min/m)	ASTM D4716-08
Drainage rate through perforations	3.86 fl. oz / ft² (1.23 l/s x m²)
Volume of air between dimples	43.98 fl. oz / ft² (14 l/m²)
Chemical properties	Resistant to chemicals Root-penetration resistant Does not rot when in contact with soil
Toxicity	Non-toxic, non-polluting
Temperature resistance	-22°F to +176°F (-30°C to +80°C)
Roll dimensions	6.6' x 65.6' (2 x 20 m)
Service life expectancy	> 25 years (at pH between 4 and 9 and temperature below 77°F / 25°C). The product should not be exposed to UV light for more than 30 days.