Complies fully with relevant Building Regulations and British Standards.
Performance
Provides a ventilation area of 10,000mm2 per metre run when installed between rafters at eaves level.
Installation
Simply flex the tray at crease and position into eaves between rafters from inside the loft with ridges facing towards underlay. Push insulation material up to the tray to hold it in place. Ensure insulation material does not touch roofing underlay. Full instructions provided with each pack.
NB. For wide rafter spacings, trays can be clipped together to provide 10mm airflow.