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MONDAY 24 NOVEMBER 2014

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SmartSeal Technology 
Friday 01 Jul 2011
 
Whatever the weather 
 
 
 
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Award Entry

New threshold seal gives best performance come rain, wind or shine 

Sealing doors and windows from the weather is more demanding than it might seem. Strong winds create pressure drops at doors and windows where the air pressure difference between inside and outside literally sucks water and cold air into the building, or forces warm air to leak outside through any gaps and cracks in the door or window.

For door thresholds particularly exposed to rainwater, Sealmaster developed the Watershed range which incorporates a discrete trough to collect dripping water and channels it back outside. The advantage of redirecting water back outside came at a small cost to the seal's air leakage performance, since air could leak back through the water outlets. SmartSeal technology overcomes this by including a one-way valve which allows the water to drain away whilst preventing cold air and/or water droplets being sucked back through into the building.

Until now, threshold seals have tended to be designed to perform best in air leakage tests at the expense of not draining water, or are obliged to strike a balance between performance on water-tightness and on air leakage. SmartSeals overcome the problem by switching the way they operate to give the best performance whatever the weather.

In heavy rain, SmartSeals collect surplus water and drain it back outside. When gusts of wind attempt to force air and water back through the drainage outlets, they close until the pressure of water inside the collection trough rises above the air pressure outside to reopen the outlets and enable water to drain away. This innovation is called SmartSeal Technolgy because the products respond automatically to the weather conditions as they change at the threshold of each doorway.

The patented SmartSeal range is unique in combining the latest sealing technolgy with traditional timber weatherboard discretely.

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Seal- Master
www.sealmaster.co.uk
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ECOWAN
 

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