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Maintenance free, injection moulded polypropylene, over-fascia ventilation system, with integral bird comb. Suitable for contoured/ shaped tiling applications The system is insect and vermin resistant, and resists water ingress and ponding.

Topvent Plus is supplied in 900 mm sections, and is suitable for use with rafters at 600 mm centres, providing ventilation equivalent to a continuous 10 mm air gap.

Standard product features



NBS Specification

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This product is associated with the following NBS Create clause:
45-20-75/410 Strip ventilators

NBS Specification

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This product is associated with the following NBS clauses:

Product specification

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+44 (0)8705 920930

Product reference

5525.OFVS BC

Manufacturer details

Billet Lane,
Normanby Business Park,
Normanby Road,
Lincolnshire, DN15 9YH
Tel +44 (0)8705 920930
Fax +44 (0)1724 28024
NBS Plus
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