Description
A preformed duct designed to replace an open perpendicular joint with a full height weep ventilator
Applications
Suitable for ventilating masonry cavity wall constructions
Should be fitted in open perp joints, mortared into position, and spaced at no greater than 900mm centres.
To meet N.H.B.C guidelines, it is recommended fitting at every 450mm (MAXIMUM) with at least 2 per opening above doors and windows.
Suitable for Timber framed
Product Features & Benefits
Designed to meet N.H.B.C standards.
The vent has a baffled grill and body to reduce the ingress of driving rain and wind.
The grill size is specifically designed to be wide enough not to be blocked by water droplets, debris or paint, but still able to stop large nest building insects
Free Area 90mm2
