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Waterproof Membranes

Technical data for waterproof membranes used in our demonstration projects:

Membrane Residential Warranty Material Cost Comments
Soprema 2 ply system  none Bitumen     
Enkadri sheet membrane  life of structure      
 60 ml reinforced TPO    thermo-plastic    
45 ml reinforced TPO   thermo-plastic     
60 ml reinforced EPDM   rubber     
 45 ml reinforced EPDM    rubber    
Garland 3 ply system    bitumen    
Am Hydrotech membrane         
PVC liquid applied    PVC     

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The Green Roof Project is a program of the Northwest EcoBuilding Guild. The design and content of this
page are ©2001 NWEBG. This information is provided without warranty for educational purposes only.