MedO
Description

A complete extensive green roof system which incorporates water storage, filter layers, planting layers and vegetation.

General information

Uniclass 2015

Ss_45_40_47_28 Extensive green roof systemsPrimary

CAWS

Q37/130 Extensive green roof

Specification data - Extensive green roof systems

Product Reference

MedO

Moisture control layer

DM12 Reservoir/ Drainage Board

D25 Reservoir/ Drainage Board

D40 Reservoir/ Drainage Board

D60 Reservoir/ Drainage Board

D80 Reservoir/ Drainage Board

D80 Aggregate Infill

Lightweight drainage aggregate

Filter fleece

G11 Filter Fleece

G12 Filter Fleece

Growing medium

GM0/12 Growing Medium

Vegetation

Sedum Plug

Sedum Plus

S1 Wildflower Seed Mix

S2 Wildflower Seed Mix

Standard product features

Growing medium:

GM0/12 Growing Medium is a de-mixing resistant mineral/organic green roof substrate that provides good nutrient retention capacity and promotes plant germination and growth. It consists of natural pumice, light lava stone, bark compost, green compost and turf, and has an open-pore structure and a high total pore volume. It is a natural product that contains augite, olivine, magnetite, limonite and biotite with organic materials.

Product Options

Moisture control layer:

– DM12 Reservoir/ Drainage Board:

  • Drainage and water storage element for extensive green roofing. Consisting of a non woven needle punched geotextile filter layer thermally bonded to one side of a 12 mm deep HDPE (High Density Polyethylene) cuspated core. DM12 is effectively impermeable one side. The textile filter has a flap extending beyond the core on one edge.
  • Length: 25 or 50 m.
  • Width: 1.1 or 2.2 m.
  • Thickness (at 2 kPa): 12 mm.
  • Weight: 970 g/m².
  • Crush resistance (maximum): 238 kPa.
  • Water storage capacity (unfilled): 7.5 L/m².

– D25 Reservoir/ Drainage Board:

  • Drainage and water storage element for extensive green roofing. Manufactured from recycled polystyrene and is chemically neutral, rot-proof and resistant to mould and bacteria.
  • Length: 1.88 m.
  • Width: 0.90 m.
  • Height: 40 mm.
  • Board weight: 2.23 kg.
  • Crush resistance (maximum): 238 kPa.
  • Water storage capacity (unfilled): 7.5 L/m².

– D40 Reservoir/ Drainage Board:

  • Drainage and water storage element for intensive and extensive green roofing. Manufactured from recycled polystyrene and is chemically neutral, rot-proof and resistant to mould and bacteria.
  • Length: 1.88 m.
  • Width: 0.90 m.
  • Height: 25 mm.
  • Board weight: 1.79 kg.
  • Crush resistance (maximum): 159 kPa.
  • Water storage capacity (unfilled): 11.8 L/m².

– D60 Reservoir/ Drainage Board:

  • Drainage and water storage element primarily intended for use under thin soil layers where the plant roots can reach down to the water in the core reservoirs. Manufactured from recycled polystyrene and is chemically neutral, rot-proof and resistant to mould and bacteria. Its major application is in extensive roof garden drainage. After installation Radmat D60 is filled with Radmat light weight drainage aggregate and over-laid with a non-woven geotextile.
  • Length: 15.6 m.
  • Width: 0.92 m.
  • Height: 60 mm.
  • Load capacity with infill: 204 kN/m².
  • Water reservoir volume: 23 L/m².

– D80 Reservoir/ Drainage Board:

  • Water storage element for intensive green roofing, underground garages and parking levels. It can also be used to form the base of planters. Manufactured from recycled High Density Polyethylene (HDPE) it is chemically neutral, rot-proof and resistant to mould and bacteria.
  • Length: 0.57 m.
  • Width: 0.38 m.
  • Height: 80 mm.
  • Board weight: 1.1 kg.
  • Crush resistance (maximum): 204 kPa.
  • Water storage capacity (unfilled): 27 L/m².

– D80 Aggregate Infill:

Natural aggregate for infilling D80 drainage/ reservoir boards.

Filter fleece:

– G11 Filter Fleece:

  • Needle-punched polypropylene filter fleece for use as a protection and filter layer in green roofs.
  • Colour: White.
  • Weight: 150 g/m² ± 10%.
  • Length: 100 m.
  • Width 2 m.

– G12 Filter Fleece:

  • Needle-punched polypropylene filter fleece for use as a protection and filter layer in green roofs.
  • Colour: White.
  • Weight: 200 g/m² ± 10%.
  • Length: 100 m.
  • Width 2 and 4 m.

Vegetation:

– Sedum Plug:

Low maintenance, drought resistant, ready to install sedum plug plants grown in the UK to suit the environment climate.

– Sedum Plus:

  • Low maintenance, drought resistant, ready-to-lay sedum vegetation blanket, comprising sixteen varieties of sedum pre-grown in a strong biodegradable 450g/m² felt mat made from recycled British textiles.
  • Length: 2.0 m.
  • Width: 0.6 or 1.2 m.
  • Thickness: 25 mm.
  • Weight (saturated): 25 kg/m².

Literature