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Top Considerations for Vegetated / Green Roof Designs


There is no shortage of benefits to installing a vegetated roof, from both an environmental perspective as well as a financial one. A vegetated roof (VR) can provide access to green spaces in concrete jungles, they mitigate heat, and they can provide increased energy efficiencies. In addition, many municipalities and programs are now offering financial incentives for their installation.

That said, today’s VR assemblies are as varied as the buildings they are installed on, and there are a number of factors architectural design teams, building owners and facility managers need to consider in their selection or assembly specification.

Whether working with difficult weight and budget limitations, or trying to achieve maximum storm water retention capacity and cooling benefits, any design team needs to consider the following factors:

  • Weight / structural limitations
  • Maintenance concerns
  • Cost – both upfront and recurring
  • System component compatibility
  • Storm water retention capacity
  • Design versatility and / or customization
  • Built-in-place vs. modular construction
  • Desired plantings: sedum, grasses, wildflowers, perennials, shrubs, trees
  • Extensive / intensive applications
  • Roof slope & roof accessibility
  • Labor concerns
  • Climate / temperature during installation
  • Damp or green concrete application
  • LEED certification availability
  • Warranty availability

With the proper design, installation and maintenance schedule, a vegetated roof system can fulfill all its intended environmental and financial impacts. By carefully taking all these considerations into account — and planning accordingly — you can ensure the success of your assembly.

Click here for more information about vegetated roofs.

*Claims or positions expressed by sponsoring authors do not necessarily reflect the views of TPC, Durability + Design or its editors.



Tagged categories: Building Envelope; Green roofs; Tremco


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