Added Green Roof protection for former WWII bunker with Blackdown Green Roof and Derbigum Waterproofing

Tucked away in the rolling hillsides of Monmouthshire is The Decoy Bunker. The original bunker was built in 1941 and was designed as a special decoy target for German bombers. The secluded bunker has now been fully restored using Alumasc’s Derbigum Waterproofing and Blackdown’s Green Roof Systems and is now a unique holiday home.

As part of the design the bunker needed to blend directly into the hillside therefore a highly durable waterproofing system that could provide full protection from the water travelling down from the surrounding landscape was needed. A green roof waterproofing solution that would provide the maximum blending effect was also required to give it the desired ‘camouflage’ effect by using the existing soil and grass from the surrounding landscape. Blackdown Greenroof Drainage Layers, Intensive Substrate and Washed Pebble Ballast was installed to finish the green roof.

With Derbigum being a system that holds 40 year durability certification with the BBA (British Board of Agrément) – a Derbigum Black Anti-Root Built-Up System was the ideal solution. The Derbigum system sits below the green roof and provides a highly reliable waterproofing solution and maximum peace of mind for the future. Alumasc’s Registered Contractors Span Roofing carried out the installation with great results.

To find out more about Derbigum Waterproofing Membranes Click Here, for more Green Roof Information Click Here. Alternatively to speak to our technical team call 03335 771 500.

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