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Product

GREEN 8-250 / DRAINAGE GEOMEMBRANE

Home / Green roofs and driveways / Dimpled sheets / GREEN 8-250 / DRAINAGE GEOMEMBRANE

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Advantages:

  • The sheet consists of a dimpled membrane and a sturdy geotextile. The smooth back side allows for a uniform and extensive load distribution on the sealing. This double-layer system protects the waterproofing below it from mechanical damage and damaging thermal stresses
  • The excellent water draining capacity is multiple times higher than required by drainage standard DIN 4095. The membrane protects the outer walls of basements, earth-covered roofs of underground car parks, patios and green flat roofs against waterlogging. The moisture penetrates the geotextile and enters the ducts of the dimpled membrane, where it is securely drained. In the process, the geotextile acts as a filter and prevents the ducts from getting clogged up. The optimal high-performance geotextile boasts very high initial strength and is subject to only minimum deformation under increasing working load

 

Installation – vertical:

  • The membranes are cut diagonally to the roll to the correct length and laid lengthwise from top to bottom: The geotextile always faces outwards – towards the ground
  • It is important to ensure that the sides of the individual membranes overlap while lifting the geotextile accordingly
  • At corners, it is recommended to fold the membrane along the edge line prior to installation. The upper edges of the membranes must be about 15 cm above the sealing at all times
  • The membrane is first attached temporarily (e. g. with wooden battens) because the drainage membrane is held by earth pressure after backfilling
  • The final membrane is finally overlapped with the starting membrane over a width of at least 30 cm
  • The lower end rests on the circumferential drainage. The circumferential drainage is enclosed with at least 15 cm of filter-stable gravel
  • After backfilling, simply cut off the membrane at the top edge of the soil

 

Installation – horizontal:

  • The surface to be drained should have a gradient of at least 2%
  • Roll out the membrane on the sealed surface with the geotextile facing upwards. Ensure that the individual membranes overlap while lifting the geotextile accordingly
  • With rising building elements, the drainage membrane should be raised at least 15 cm or to the upper edge of the filling.
  • If the laid membranes have to be extended, the connecting membrane is pushed under at least 20 cm from below
  • With earth-covered ceilings, the laid drainage membrane can be moved directly with a wheelbarrow; with projecting ground filling of at least 20 cm, this can also be achieved with wheel loaders
SKU: ALB-DGM-8-250-GREEN-1/20 Categories Construction and foundation waterproofing and drainage, Dimpled drainage sheets, Dimpled sheets, Dimpled sheets, Green Roofs, Green roofs and driveways, Uncategorized, Wall and foundation waterproofing, protection and drainage

GREEN 8-250 / DRAINAGE GEOMEMBRANE

Product Specification​

SKU:ALB-DGM-8-250-GREEN-1/20
EAN:4751023407227
Brand:Albau
Material:HDPE (high-density polyethylene)
Geotextile:Polypropylene
Width1 m / 1,5 m / 2 m
Roll length:20 m
Dimple height, mm:8
Dimples/m2:1710
Compressive strength, kN/m²:250
Air volume between the dimples, L/m²:5,5
Chemical properties:Chemical resistant
Biological properties:Resistant to bacteria and fungi, rot-resistant, root-proof
Physiological properties:Safe for drinking water
Temperature resistance:-30°C to +80°C
Fire resistance:E
Color:Brown

The double-layer dimpled membrane is an effective protection and drainage system and the universal solution for both horizontal and vertical surface drainage on all pressure-resistant surfaces

Documents

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