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Cold non Vented roofThermally efficent. Only possible as part of system using Permavent & vapour control. |
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Convectional Cold Ventilated RoofMost common roof type using all types of roof covering. |
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High Performance Warm RoofUssually new build by design & incorporating breather membrane. |
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High Performance Warm RoofInsulation between & under. Most common room in the roof with breather membrane. |
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Warm RoofInsulation between & over. Designed roof in the roof. |
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Ventilated Warm Roof (hybrid)Most common in loft conversions. Incorporating any membrane. With insullation following the room line. |
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Ventilated Warm Roof (hybrid)Most common in loft conversions with insullation to the eaves. |
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