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Dimensions of Fascia Vent:25mm Airflow: 1m long x 42mm wide x 32mm deep
Enhance your construction and DIY projects with our high-quality poly top pins and nails
Complies with Building Regulation 2000 Approved Documents F (2004 edition) & J (2002 edition)
Made from UV-resistant material
Terracotta Combination Air Brick Vents 9" x 3" for Air Flow Ventilation Screws and Fixings Dimensions of Fascia Vent:25mm Airflow:Product Description Terracotta 9" x 3" Air Brick Vents Plastic interlocking air brick ventilator. Clip together facility provides a choice of ventilation sizes. Can be stacked together to create 9" x 6" and 9" x 9" combinations. Moulded in mortar key ensures secure adhesion to the building fabric. Meets NHBC requirements for the control of condensation in buildings. Manufactured to BS 493: 1995 + A1: 2010. Other colours and ventilation fittings for