Veg Tech Xerodrän drainage layer

Intended for Xeroflor sedum-moss roofs, Veg Tech Xerodrän is a drainage layer with no water retention capacity. It is roughly 17 mm thick. The product is manufactured from filter cloth and mesh. Xerodrän is installed before the VT-Filt felt mat and Xeroflor sedum-moss blanket. The rolls of Xerodrän drainage layer are opened, turned so that the filter cloth side is facing up and then installed with butt seams. 

Made to order.

Dimensions/measurements

Manufacturer / Manufactured for Kerabit Oy, Lohja plant
Country of origin Holland
Production material polypropylene filter cloth and polyamide mesh
Nominal thickness 17 mm
Nominal weight 390 g/m²
Rolls size 1,0 x 50 m
Tensile strength 6,0 kN/m (EN ISO 10319)
Water reservoir 0.23 l/(s*m) with 5% pitch and 0.05 l/(s*m) with 1% pitch (EN 12958, 10 kPa hard/soft)
Weight / package 19,5 kg/roll

Product number 15994

Estimated service life: at least 50 years (natural soil 4<pH<9 and T<25 °C, EN 12224)

Storage

Xerodrän should be kept out of sunlight; can be stored in indoor or outdoor facilities. 

Installation

Xerodrän is installed before the VT-Filt felt mat and Xeroflor sedum-moss blanket. The rolls of Xerodrän drainage layer are opened, turned so that the filter cloth side is facing up and then installed with butt seams. See the instruction ‘Information on the installation of the Veg Tech sedum-moss roof’. See the instruction ‘Information on the installation and maintenance of green roof products’ for more information.

Recycling

Recyclable after use, the filter cloth and mesh can be detached from each other.