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Type TAV Telescopic Underfloor Ventilator
225mm x 70mm opening.
Extended height 370mm/225mm.
May be used in cavity walls with 50mm cavity upwards.
BS polypropylene, colour black.
Maximum airflow when used with approved cavibrick (7,500mm²)
Direct flow path.
Packed in boxes containing 20no.
Smaller quantities available.SKU: n/a
Type OEVWF Open Eaves Vent with Flyscreen
OEVWF/400 (use with 400mm truss centres).
OEVWF/450 (use with 450mm truss centres).
OEVWF/600 (use with 600mm truss centres).
Versions promote a free airflow equivalent exceeding 14,000mm2, per metre run.
Suitable for use on a variety of roof pitches.
Compatible with open eaves details.SKU: n/a
Type G Cavitray
Accommodates numerous cavity sizes.
Suitable for traditional build and timber frame construction.
Projecting panoplied lip ensures integrity along bedding course.
Integral stopends ensure correct termination of the DPC tray against piers, etc.
Unrestricted cavity catchment compartment
moulding does not project or encourage mortar bridging.
Eliminates necessity to line up outer and inner support courses.
Lead flashing to BSEN12588.SKU: n/a
External Lead Roof Ventilator – Flat Roof Ventilation
British Standard lead to BS EN 12588:1999.
210mm x 140mm x 160mm high + base surround.
ERV Small: rating 6,000mm2.
ERV Large: rating 12,000mm2.
405mm x 140mm x 160mm high + base surround.
Integral insect grille and drain-out aperture.SKU: n/a