Langley Living Roof: Extensive Sedum Mat System or Sedum Plug System
Verified by manufacturer 5 days ago
Sedum mat system (warm roof)
Sedum mat system (warm roof)
Extensive Sedum Living Roof systems provide all the benefits of a drought tolerant and lightweight extensive living roof.
Application
- Designed to be used in conjunction with the Langley RBM, Hotmelt and Liquid waterproof systems.
- Designed for both new build and refurbishment, on roofs of ≤10° pitch.
Description
Langley Extensive Sedum Living Roof systems are designed to be used in conjunction with the Langley RBM, Hotmelt and Liquid waterproof systems and provides all the benefits of a drought tolerant, and lightweight extensive living roof.
Substrates are GRO compliant and tested to BS 8616:2019.
Our 20mm cuspated drainage / reservoir layer is constructed from HDPE (High Density Polyethylene) and includes a laminated upper filtration & bottom *protection fleece (* required on warm & cold roofs only) to simplify installations and ensure consistency across the living roof.
Fire Performance – the Langley sedum systems can achieve BRoof(t4) compliance when tested as part of a full Langley roof buildup.
Mat: Plant coverage upon installation: 90-95%. Langley Sedum mat comprises of 18 hardy & drought tolerant succulents
Plug Plant option: Plant coverage 5% upon installation & approx. 90-95% after 9-12 months. Includes a selection of up to 13 hardy & drought tolerant succulents
Features and benefits:
- Offers a lightweight, and aesthetically pleasing extensive living roof system.
- Fully GRO compliant.
- Designed for both new build and refurbishment, on roofs of ≤10° pitch.
- Can achieve BROOF(t4) compliance when tested as part of a full Langley roof build-up.
This is covered by our Independent Insurance Backed Guarantees of up to 30 years aligned to the associated Langley waterproofing system.
General information
Color | Green Other |
Finish | Natural |
Material | Vegetation Other |
Shape | Formless |
Length | Bespoke |
Width | Bespoke |
Height | Bespoke |
Warranty description | Other Guidance for specification option: Covered by Langley's independent insurance backed guarantee aligned to the associated Langley waterproofing system. Consult manufacturer for details. |
Uniclass | |
CAWS | Q37/130 Extensive green roofs and biodiverse roofs |
Specification data - Extensive green roof systems
Classification data | |
Moisture control | |
Drainage layer | Langley 20 mm 3-in-1 moisture control layer. Guidance for specification option: Cuspated drainage/ reservoir layer constructed from high-density polyethylene (HDPE) and includes a laminated upper filtration and bottom protection fleece. |
Drainage ancillaries | Inspection chamber(s). Guidance for specification option: Inspection chambers are a modular design, supplied as two types of base (standard and parapet), different heights of extension collar and a lockable lid. Consult manufacturer for further details. Not required. |
Planting systems | |
Planting medium | Extensive sedum substrate, depth 60 mm. Dry weight 43.2 kg/m²; saturated weight 85.2 kg/m². |
Planting requirements | Sedum mat. Plant coverage upon installation: 90–95%. Comprised of 18 hardy and drought-tolerant succulents installed on a minimum of 60 mm of extensive substrate. Guidance for specification option: Once established this system encourages and supports development and long-term growth. |
Fire breaks | 20–40 mm shingle margins. |
Edge restraints | Langley aluminium slotted retention and separation trim. Not required. |
Accessories | Sedum nutrient. None. |
Standards | GRO, FLL and Broof(t4) compliant. Guidance for specification option: Tested to BS 8616:2019. |
Sustainability data
Material | Vegetation Other |
Literature
Extensive Sedum Mat System or Sedum Plug System Data Sheet
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Langley Living Roof: Extensive Biodiverse Seeded or Seed & Plug System - Extensive Biodiverse Living Roof