Green roof installation is a modern and environmentally friendly roofing solution that transforms a regular flat roof into a living green layer. Eurokas specializes in green roof design and installation – from simple extensive gardens to complex intensive green spaces.
Benefits of green roofs
- Thermal insulation – reduces heating costs 15–25%, cools building in summer
- Water retention – 50–90% of rainwater retained in plant layer
- Roof service life – extended 2–3× (protection from UV, temperature swings)
- Noise reduction – up to 8 dB
- Biodiversity – creates habitat for insects, birds
- BREEAM/LEED points – for ESG certification
- Aesthetics – squares, gardens, rest zones
Green roof types
Extensive (lightweight)
- Weight: 60–150 kg/m² (wet)
- Vegetation: sedums, succulents, mosses
- Substrate depth: 6–15 cm
- Maintenance: minimal (1–2× per year)
- Cost: 80–140 EUR/m²
Semi-intensive
- Weight: 150–250 kg/m²
- Vegetation: grasses, flowers, small shrubs
- Substrate depth: 15–25 cm
- Maintenance: medium (4–6× per year)
- Cost: 140–200 EUR/m²
Intensive (gardens)
- Weight: 250–500+ kg/m²
- Vegetation: shrubs, small trees, lawn, vegetables
- Substrate depth: 25–100 cm
- Maintenance: active (like regular garden)
- Cost: 200–350 EUR/m²
Layer system
- Load-bearing structure (reinforced concrete)
- Vapour barrier
- Thermal insulation (XPS – moisture resistant)
- Waterproofing (EPDM or SBS with anti-root protection)
- Anti-root barrier
- Drainage layer
- Filter fabric (geotextile)
- Substrate (special green roof mix)
- Vegetation
Lithuanian climate specifics
- Winter: hardy plant species selected (sedums, mosses)
- Snow load: added to structural calculation
- Irrigation: sometimes needed in summer
- Wind protection: edge parapets or nets
Our work stages
- Inspection and consultation (FREE)
- Design (BIM, structural calculation)
- Waterproofing preparation (anti-root protection)
- Drainage and filter layer installation
- Substrate layer spreading
- Plant planting / seeding
- Irrigation system integration
- First year maintenance instruction
Support programmes
- Climate Change Programme: up to 50% compensation
- Vilnius city green roof pilot programme
- BREEAM/LEED certification points
Contact
Want to install a green roof? Contact Eurokas today: +370 698 01323, info@eurokas.lt
Frequently asked questions
Green roof installation cost 2026: extensive 80–140 EUR/m², semi-intensive 140–200 EUR/m², intensive (garden) 200–350 EUR/m². Price includes all layers, vegetation and irrigation system.
Thermal insulation (-15-25% heating), water retention (50-90% rain), extended roof service life (2-3×), noise reduction (8 dB), biodiversity, BREEAM/LEED points, aesthetics.
For extensive green roofs (60-150 kg/m²) – usually NO. For semi-intensive and intensive (150-500+ kg/m²) – YES, structural calculation and reinforcement needed.
Extensive roofs: sedums (winter-hardy), succulents, mosses, grasses. Intensive: grasses, flowers, shrubs, small trees, lawn, vegetables. All selected by site conditions.
Extensive – minimal maintenance (1-2× per year). Semi-intensive – 4-6× per year. Intensive – active. First year – more active for all.
Yes: Climate Change Programme (up to 50%), Vilnius green roof pilot programme, BREEAM/LEED certification points. We help prepare application documents.
