The Thermal and Rainwater Runoff Performance of an Extensive ...
The Thermal and Rainwater Runoff Performance of an Extensive ...
The Thermal and Rainwater Runoff Performance of an Extensive ...
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5 UK Policy on Green Ro<strong>of</strong>s<strong>The</strong>re are currently no direct references to green ro<strong>of</strong>s in the UK Building Regulations, onlyto the general st<strong><strong>an</strong>d</strong>ards <strong>of</strong> ro<strong>of</strong> construction. However, green ro<strong>of</strong>s c<strong>an</strong> be constructed tomeet these st<strong><strong>an</strong>d</strong>ards.Part L <strong>of</strong> the Building Regulations aims to subst<strong>an</strong>tially increase the energy efficiency <strong>of</strong> new<strong><strong>an</strong>d</strong> existing buildings <strong><strong>an</strong>d</strong> green ro<strong>of</strong>s c<strong>an</strong> contribute towards this by increasing insulation (asa retr<strong>of</strong>it on existing buildings).Local authorities still require the correct guid<strong>an</strong>ce on green ro<strong>of</strong>s to ensure that the highestst<strong><strong>an</strong>d</strong>ards are being met: both by suppliers <strong><strong>an</strong>d</strong> installers. This lack <strong>of</strong> a formal st<strong><strong>an</strong>d</strong>ard hasled to fears that sub-st<strong><strong>an</strong>d</strong>ard systems are being allowed to be installed <strong><strong>an</strong>d</strong> that these willdamage the reputation <strong>of</strong> green ro<strong>of</strong>s.In the absence <strong>of</strong> <strong>an</strong>y British st<strong><strong>an</strong>d</strong>ards, most m<strong>an</strong>ufacturers <strong><strong>an</strong>d</strong> installers rely upon theGerm<strong>an</strong> L<strong><strong>an</strong>d</strong>scape Development Research Society (FLL) guidelines for the design <strong><strong>an</strong>d</strong>construction <strong>of</strong> green ro<strong>of</strong>s [23].Niall Carroll Page 37<strong>The</strong> <strong>The</strong>rmal <strong><strong>an</strong>d</strong> <strong>Rainwater</strong> <strong>Run<strong>of</strong>f</strong> <strong>Perform<strong>an</strong>ce</strong> <strong>of</strong> <strong>an</strong> <strong>Extensive</strong> Green Ro<strong>of</strong> System
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