6 Metre of Rolled Eaves vent Free airflow: 25,000mm² per metre Designed to maintain a flow of air to the roof space from outside. Easy to install system to maintain ventilation between insulation and roofing felt. Simple and economical solution to the problems of eaves ventilation and loft moisture. For roof refurbishments or new builds. Suitable for 400mm, 450mm and 600mm raft centres. Complies with Building Regulations and British Standards.Use For pitched roof eaves ventilation On standard pitched roofs where the pitch is 15 degrees or more and the roof void is an attic or loft space On roofs with rafter spacings of between 400mm and 600mm centresFeatures & benefits Very quick and easy to fit Durable and totally resistant to decay Supplied in convenient 6m rollsQuality Satisfies all NHBC Standards 2008 Edition Manufactured to BS EN ISO 9001 : 2008 Complies with all relevant Building Regulations Meets all relevant British StandardsMaterial & colour choice Manufactured by vacuum forming in UPVC Available in black only