GREEN ROOFS

DIMPLED MEMBRANE DRENAXX 20 GTX

• Quick and easy to lay from a roll

• Ideal as a green roof substrate

• Notched HDPE dimpled membrane with integrated PP geotextile

• The isolating and filtering geotextile prevents fine floating particles from settling within the drainage layer

• Increased resistance to pressure thanks to innovative octagonal profiles

• Quick drainage of excess water into water drains

• It does not decompose

Parameters

Grammage (g/m2) 1000
Width (m) 2
Length (m) 10
Dimple height (mm) 20
Compressive strength (kN/m2) 180
Capacity (l/m2) 7
Non-woven geotextile fabric (g/m2) 110

Application

  • Hydro-accumulative layer designed for use on flat and sloping green roofs
  • It retains water necessary for plants to survive during drought
  • Geocomposite acts as drainage and water storage
  • Geotextile performs filtration by allowing a fixed amount of water to be drained from the substrate layer and prevents the dimples from getting silted
  • It forms a protective and drainage layer with high resistance to loads while protecting the surface from freezing

Benefits

Waterproof

Durable

Broad scope of temperatures

Quality Warranty

Recycling

Conformity with standards

Reasonable price

ASSEMBLY

The DRENAXX GTX dimpled membrane in the construction of green roofs is laid on a layer of absorbent-protective non-woven fabric. The cusps should face down (the membrane must not be laid with the notches down) and an overlap of two rows of cusps should be created.

 

TRY OUR OTHER PRODUCTS

Conkret is a recycler and a leading manufacturer of regranulates as well as modern polyethylene films. We manage the entire technological process: starting with purchase of waste, its transport, segregation, regranulation to production of new finished products.

Our products are widely used in the furniture, packaging, construction, agricultural and gardening sectors.

More about us
Technological process

YOUR ADVANTAGE OUR TECHNOLOGY

The parameters of our products are similar to the primary raw materials and significantly exceed the properties of conventional produced regranulates.

01

High efficiency flake washing and drying system, continuous filtration system

  • No fouling of finished products
02

Cascade dual extrusion system

  • Higher density and bulk density of regranulate
  • Reduced number of gas bubbles in finished products
  • No desiccants necessary
03

Innovative homogenisation system

  • Very high degree of homogeneity
  • Reduced gel content
  • Improved mechanical properties
04

Automatic mixing and averaging system

  • Stabilisation of the finished product production process
SEE ALSO

OUR EXPERTS' ADVICE

01 / 06
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are finishing and closing strips for insulating the upper part of the cavity drain membrane. They are an indispensable element of building insulation, especially foundation walls.

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Properties of good insulation

Referring to the questions on insulation which we receive, let us explain here what should be considered and what is worth paying attention to when selecting a product to be used as a long-term protection your house against dampness.

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Capillary water uptake

The phenomenon of capillary water uptake is the main cause of dampness in walls. It consists in transporting water upwards in a given material. Water is attracted by the pore walls of the material. It mainly depends on: type and…

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