‘Filpper seal’ flood door
25th July 2017
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Flood door manufacturer, STORMMEISTER has developed a flood door system which uses the pressure of the flood water on gaskets to create a water-tight seal on a door that opens inwards in the conventional way.
Managing director Malcolm Snape, explained: “Flood door designs traditionally rely on the compression of the door gasket to form a seal against water. This is achieved through the addition of extra locking points. The problem is that this can make operation difficult, requiring an element of force to compress the gasket using the handle, something which can make everyday operation problematic.
“Our patented Active Flood Sealing System, exploits the pressure created by the flood water to form a seal, with just two extra locking points and without compromising operation and day-to-day use.”
Extruded by Extrudaseal and developed in partnership with Lancaster University, the StormMeister system for inward opening doors employs complex single multi-chamber gasket to create a watertight seal. This allows flood water to pass through an outer-frame gasket and then into a water chamber. As the water chamber floods, an expansion chamber is compressed - in effect using the pressure of the flood water itself to create a seal.
Malcolm Snape continued: “I went down to see Extrudaseal and explained to them what I was trying to do. Keith, their technical manager, went out of the meeting and came back in with this flipper seal. It was exactly what we were looking for. We have since worked with Extudaseal and Lancaster University to take what started out as a two gasket solution installed on site, to develop a single solution which can be applied during manufacture.”
The StormMeister flood sealing system is available for use with Rehau profiles. However, the company says, subject to licensing agreement by patent holders StormMeister and its existing licensees the same principles have potential application to other PVC-U systems. Fully compliant with PAS1188, it’s been fully tested to withstand water up to a depth of 600mm for 48 hours.
www.extrudaseal.com
www.stormMeister.com
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