PrintEaves Unventilated Cold Roof Constructions
The table below sets out appropriate detailing at eaves for unventilated cold roof constructions with insulation installed at horizontal ceiling level.
For traditional ventilated cold roof structures, click here
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Insulation at ceiling joist level, with low resistance underlay and 25mm deep counterbattens installed.
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Eaves ventilation system
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Provide Decra Eaves Mesh with free airflow of 25,000mm² per linear metre. |
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Setting out point for fascia board
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Level with top edge of rafter or top edge of insulation board. (If installation boards are installed). |
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Install
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N/A |
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Install
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Install Decra 700 High Performance Breather membrane on top of rafters and under counterbattens. |
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Install eaves batten to rear of fascia board
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Install Decra Eaves Guard
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Decra Warm Roof Eaves Guard installed under Decra 700 High Performance Breather membrane. Use of Decra Eaves Mesh & Decra Eaves Closure Flashing recommended. |