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Type TAV Telescopic Air Ventilator

Verified by manufacturer 6 months ago

Cavity Trays Ltd

A cranked, telescopic, adjustable offset ventilation duct for use in cavity walls.

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+44 (0)1935 474769 Website

Application

  • To provide a direct flow air ventilation route from outside to inside of a building.
  • To vent methane, radon and other gases trapped beneath a gas barrier to the outside of a building.
  • To discharge trapped water from within a building.
  • Can be used with a conventional airbrick and internal grille.
  • For use in cavity walls with a minimum cavity width of 50 mm.

Description

A cavity, cranked, telescopic ventilation duct providing an air route from a conventional airbrick to an internal area at a different level.


Features and benefits:

  • Telescopic, adjustable vertical cavity duct extends to a maximum of five brick courses.
  • Intermediate sleeves available to further extend vertical offset between inlet and outlet.
  • Horizontal ducts/ sleeves available to extend the lower aperture.
  • An accompanying damp proof course cavity tray is available.

General information

Color

Black

Finish

Textured

Material

Polypropylene

Length

375 mm

Width

225 mm

Height

375 mm

Warranty description

20 year

Uniclass

Pr_30_59_96_92 Ventilation ductsPrimary

CAWS

F30/17 Ventilation ducts in external walling

F30/171 Ventilation ducts in external walling

Specification data - Ventilation ducts

Material

Plastics.

Guidance for specification option:

BS polypropylene.

Execution

Installing ventilation ducts in external walling.

Inlet/ outlet vertical offset dimension

225 mm.

370 mm.

As drawing____.

Intermediate sleeves

Not required.

300 mm.

450 mm.

___ mm.

Guidance for specification option:

Special order.

Horizontal extension to lower TAV aperture

Not requried.

600 mm.

TAV to round convertor.

Guidance for specification option:

With 100 mm nominal plastics pipe (pipe specified elsewhere).

DPC Cavitray (cavity tray) for TAV

Not required.

Required.

Guidance for specification option:

To special order.

Open air space

7500 mm².

Guidance for specification option:

Maximum free air provision when used with Cavibrick.

Options

Inlet/ vertical offset dimension.

Guidance for specification option:

TAV provides a range of dimensions from 225 mm to 370 mm. Greater offset dimensions can be achieved by the addition of intermediate sleeves available in standard lengths of 300 mm and 450 mm. Special lengths are available to order.

Horizontal extension to lower TAV aperture.

Guidance for specification option:

Where a horizontal extension is required a 600 mm long extension sleeve is available. For greater extension distances a TAV to round connector used with 100 mm (nominal) plastics pipe is recommended.

Sustainability data

Contains Red List materials

No

Country of material origin

United Kingdom

Country of product manufacture

United Kingdom

Recyclability

Yes

Recycled content

As defined in clause 7.8 of BS EN ISO 14021

100 %

Literature

Ventilation Product Guide

Ventilation Product Guide

Protecting the Building Envelope Volume 28 (cavity tray, damp proofing, ventilation and cavity closers)

Protecting the Building Envelope Volume 28 (cavity tray, damp proofing, ventilation and cavity closers)

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