Stratex collapsible or drive-over portable bunds are a compact design, easy to store and transport. The collapsible sidewall means it is quick and easy to access for vehicles, forklifts and trolleys. Flexible use makes it good for mobile or permanent operations and its great value, long lasting heavy duty 900gsm PVC material is engineered to withstand tough conditions. Available to upgrade to extra tough 1020gsm XR5 geomembrane, with resistance to punctures, tears, abrasions, UV radiation, temperature extremes, hydrocarbons, oils, methane & alkalis. Available in both 300mm and 500mm wall heights to help meet sump capacity compliance with AS1940-2004. Increase bunding longevity by adding ground mats and vehicle track mats to prevent punctures and tears from rough surfaces. Extremely strong but lightweight wall supports ensure the bund can contain large volumes of liquid, while remaining light enough to be portable.