IMPACT PROFESSIONAL SCREW ZYP (350no) 5.0x80mm The vent has a baffled

The vent has a baffled grille to prevent the ingress of driving rain and wind whilst incorporating an insect grille and drip lip

Regulations - BRE Digest 262

A mortar key around the edge of the airbrick ensures it can be securely fixed to the building fabric and a clip together facility provides a choice of ventilation sizes

Zinc plated for increased corrosion resistance

General purpose heavy duty brown powder coated brackets

IMPACT PROFESSIONAL SCREW ZYP (350no) 5.0x80mm The vent has a baffledPacked: 1 Ideal for use with Impact Drivers! Pozi recessed head for industry standard fit Ribbed double countersunk for a flush finish Hardened steel for high torque loads Milling shank helps clear hole in fixture Part threaded from 40mm to eliminate jacking of fixture Double type 17 point for immediate start in all timbers Zinc and yellow passivated for corrosion resistance 3 x driver bits included in each tub