World’s first bat friendly breathable membrane is invented
Bats are a protected species in the UK and play an important role in the ecosystem. Until now when bats are found, only Bitumen 1F felt has been used. This has come at considerable cost to the thermal performance of the roof because 1F felt requires extra rafter space if insulation is used; in old buildings this is often not possible. Properties with an uninsulated 1F felt roof can release up to 10 tonnes of CO2 per year through the buildings fabric. Replacing 1F felt with a breathable membrane and additional insulation between the rafters can reduce CO2 emissions by 57%. These factors have a large impact on global warming and climate change.
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