Water-retaining green roof Extensive Extreme

Roof pitch 0–5°

Variant for roofs loaded with high rainfall totals. The advantage of the composition is the excellent ability of rainwater retention, quick installation and immediate functional and aesthetic effect.

  • Increased drainage capacity
  • Immediately after implementation, the vegetation layer covers the full surface
  • A wide offer of system accessories
  • Irrigation is not required
  • Logistic and technical support

Technical specifications

Vegetation form a sedum mat
Weight of the fully saturated composition 154 kg/m²
Installation height 162 mm
Retention capacity* up to 90%
Water capacity*: minimum 32 l/m²
Drainage coefficient* C = max. 0,45
* with artificial rainfall pursuant to FLL (a 15-minute rain)

Structure description

  1. A sedum mat
    30 mm
  2. Extensive substrate
    80 mm
  3. EnviBoard 30 hybrid board
    30 mm
  4. Drainage layer
    17 mm
  5. Separation and protection layer
    5 mm
Downloadable documents

Other Envilope Roof System solutions

Select your perfect solution that meets your expectations on structure as well as on technical aspects of a building.

Extensive
Universal

Universal variant for most of the Czech Republic territory. The advantage of the composition is its wide use, very fast installation and immediate functional and aesthetic effect.

  • Roof pitch 2–5°
  • Weight of the composition 114 kg/m²
More information

Extensive B ROOF

Univerzální varianta skladby, která nad rámec svých vynikajících hydroakumulačních vlastností splňuje také požadavky klasifikace BROOF (t3).

  • Sklon střechy 2-10°
More information

Extensive
Slope 10

The variant is ideal for sloping roofs with a slope of 5–15 °. The advantage of the composition is its functional use even on slightly sloping roofs, quick installation and immediate functional and aesthetic effect.

  • Roof pitch 5–15°
  • Weight of the composition 149 kg/m²
More information

Extensive
Slope 30

Vegetační skladba navržená pro sklonité střechy. Nezbytnou součást skladby tvoří kotevní a protierozní systém.

More information

Blue
Roof

A light mineral variant that significantly slows down the flow of water into drains and wastes during heavy rain.

  • Roof pitch 0–15°
  • Weight of the composition 97 kg/m²
More information

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