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    Home Green Roof Systems – Creating a Garden on a Roof

    Green Roof Systems – Creating a Garden on a Roof

    The Increasing Popularity of Green Roof Systems

    Following years of development and expansion, green spaces are diminishing from our urban landscape. With the added pressure of taller buildings causing reduced airflows in built-up areas, and heavier road traffic adding to pollution, designers and specifiers are now choosing to utilise roof spaces to address this eco balance.

    There are three types of green roofs; extensive, intensive and biodiverse.

    Extensive green roofs typically have shallow soil layers supporting moss, herbs and grasses where minimal maintenance is required. Intensive green roofing systems are effectively gardens on roofs, complete with shrubs, trees and walkways and come with all the garden tending usually associated with gardens – some will also include extensive irrigation systems. Biodiverse roofs are much more varied and balance both fauna and flora to replicate the ecological needs for the local area, again requiring minimal maintenance.

    Couch House

    What are Green Roof Systems and their Installation Considerations

    A green roof system refers to a structure where the top layer above the waterproofing membrane of the roof consists of a growing medium. The pitch may vary form 1-30°and waterproofing is vital to protect the roof. A well-designed green roof will provide the correct depth of growing medium for chosen vegetation whilst balancing the need for maintenance, drainage, irrigation and water storage with any regulatory and building requirements such as wind uplift and weight loading.

    Pros and Cons of Turning Roof System into Green Roof

    Pros

    Protecting waterproofing membranes from UV degradation

    Improved soundproofing of a building

    Greater thermal performance

    Reducing storm water run-off

    Superior aesthetics

    Improvement to immediate air quality

    Supporting wildlife habitat

    Cons

    More costly than traditional roofing systems

    Increased weight load needs to be considered

    Maintenance requirements all year round

    A requirement for comprehensive waterproofing to protect the roof construction

    Suitable Construction Materials for a Green Roof System:

    Installation of a green roof will require a high-performance waterproof layer to protect the construction underneath. Our glass tissue reinforced IKO Armourplan GB PVC Membrane  provides the heavy-duty protection required and the fleece-backed layer adds a separation level for additional functionality. The robustness of the membrane is ideal for busy roofs and the small roll size warrants ease of use for a project of any size, with the added benefit of minimising waste.

    IKO Armourplan GB Membrane is compatible with our high quality insulation, vapour control layers and range of ancillaries to offer a complete low weight roofing system for better protection.

    We can provide a  pre-fabrication service if your bespoke project requires specialist sizing or detailing, and our technical support team is on hand to help with any queries regarding your next project, small or large.

    Do you need a price for a project you are working on?

    Check out our territory map and contact your Area Business Manager directly.

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    • Company
      • Company Background
      • Export Markets
      • Partners
      • Our People
      • Our Careers
      • IKO in the Enviroment
      • IKO in the News
    • Products
      • PVC Membranes
      • IKO Spectraplan Membranes
      • Prefabrication Service
      • Vapour Control Layers
      • Thermal Insulation
      • Ancillaries
    • Systems
      • IKO Flat Roof Systems
      • Cold Roof Solutions
      • Warm Roof Solutions
      • Inverted Roof Systems Offering Enhanced Protection
      • Green Roof Systems – Creating a Garden on a Roof
    • Projects
      • Case Studies
      • Library Photos
    • Resources
      • Technical Datasheets & Brochures
      • Technical Bulletins
      • CPD Seminars
      • Product Videos
        • NEW IKO Armourplan Video
      • Technical Support
      • FAQ’s
    • Contact
    • Blog
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