American Hydrotech’s Garden Roof® Blue Roof Assembly (8-6-2024)

Blue Roofs are specially designed stormwater management features built on rooftops.  Ideally constructed on flat, zero-slope roof decks to maximize volume efficiency, blue roofs are intended to temporarily store rainwater for 24-48 hours (depending on the municipality) while releasing it at a controlled rate.  This helps to prevent large, uncontrolled volumes of water from entering the storm sewers at one time; overwhelming them and resulting in flooding.

Hydrotech has developed a series of Blue Roof assemblies including the Garden Roof® Blue Roof, which combines the features of our Garden Roof with the high capacity of ABT’s Permavoid® water detention unit.   Permavoid® provides a void space that is 95% open and structurally stable to support pavers and Garden Roof components and assemblies.

Learn more about Blue Roof options 

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