How to Build a Green Roof
Consult with a structural engineer to ensure that the joist can handle the changed use for the roof., Check the slope.
Step-by-Step Guide
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Step 1: Consult with a structural engineer to ensure that the joist can handle the changed use for the roof.
You must determine from the outset whether the added weight of the plants will be something the roof can withstand.
You should also find out whether there are any council or municipal vegetative roof restrictions.
With vegetation and full saturation, expect the roof to weigh another 20 pounds per square foot of additional weight. -
Step 2: Check the slope.
The roof will require an incline to ensure that water runs off naturally and doesn't water log the roof.
In general, any roof with a slop of up to 40 degrees is safe to use (providing the previous step's restrictions have been observed.
Detailed Guide
You must determine from the outset whether the added weight of the plants will be something the roof can withstand.
You should also find out whether there are any council or municipal vegetative roof restrictions.
With vegetation and full saturation, expect the roof to weigh another 20 pounds per square foot of additional weight.
The roof will require an incline to ensure that water runs off naturally and doesn't water log the roof.
In general, any roof with a slop of up to 40 degrees is safe to use (providing the previous step's restrictions have been observed.
About the Author
Carol Patel
Creates helpful guides on hobbies to inspire and educate readers.
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