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Aesthetics of the planting should consider that the practice may be viewed from above.
 
Aesthetics of the planting should consider that the practice may be viewed from above.
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===Drains and vegetation free zones===
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Vegetation free areas are often required around the perimeter of the roof to reduce wind uplift, on larger areas requiring firebreaks, for access paths and around drains.  To prevent accumulation of sediment and migration of the vegetation, the vegetation free areas should not be filled with decorative aggregate or river rock.  Instead concrete pavers or other surfaces that do not actively trap particles will reduce weeding maintenance.
    
==Construction==
 
==Construction==
 
Refer to the [[Green roof construction]] page for detailed guidance on construction best practices.
 
Refer to the [[Green roof construction]] page for detailed guidance on construction best practices.
  −
===Drains and vegetation free zones===
  −
Vegetation free areas are often required around the perimeter of the roof to reduce wind uplift, on larger areas requiring firebreaks, for access paths and around drains.  To prevent accumulation of sediment and migration of the vegetation, the vegetation free areas should not be filled with decorative aggregate or river rock.  Instead concrete pavers or other surfaces that do not actively trap particles will reduce weeding maintenance.
      
==Inspection Maintenance==
 
==Inspection Maintenance==

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