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
Light

The lightest variant, ideal for roof reconstructions. The advantage of the composition is the minimal load on the structure, very fast installation and immediate functional and aesthetic effect.

  • Roof pitch 2–5°
  • Weight of the composition 74 kg/m²
More information

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
Fire
Protect

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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