Telescopic Underfloor Vent
Used in conjunction with the combination airbrick to achieve approximately 6600mm of free airflow (which complies with the latest building regulations 1985 C4 and the recommendations of the NHBC). Installed in normal brickwork below the DPC and adjusted to three of four courses as required, or it may be cut down to two courses.
Box quantity: As required
Black (use with combination airbrick)
Underfloor Duct Adapter to 100mm Pipe
Vertical Extension Sleeve used in conjunction
Underfloor Duct Adapter
Dedicated To Supporting Builder's Merchants