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Application

  • Suitable for use with lead and hard metal roofing for a range of ventilation details.
  • E Version: For increased resistance to both wind uplift in exposed locations and corrosion in coastal locations, the ventilator can be supplied in 1.0 mm-thick, 316 grade stainless steel. Where extreme weather conditions are likely, consideration should be given to providing more weathering cover to upstands and slating or tiling to improve the integrity of the detail.
  • FR Version: To reduce spread of fire through ventilation apertures, the ventilator can be supplied with an intumescent seal.

Note: Standard Airtrak details assume moderate weather conditions. Small amounts of moisture may be admitted under heavy storm conditions. Where more severe weather conditions are likely, consideration should be given to increasing the vertical overlap dimension to upstands and to slating or tiling to improve the integrity of the weathering detail. For slate and tile details the manufacturer also recommends the use of the Airtrak LPS where appropriate. Contact manufacturer for further technical help.

Description

Range of ventilators providing 25 mm ventilation over the layboard into the roof void and acting as a rest for the eaves course.

Features and benefits:

- Airtrak LB20 Layboard Ventilator:

  • Suitable for use at the junction of a slated roof with a lead lined gutter or flat roof.
  • For roof pitches of 20° and above.
  • Requires a lead cover flashing and should be laid in a line parallel to the slate coursing.

- Airtrak LB30 Layboard Ventilator:

  • Suitable for use at the junction of a slated roof with a lead lined gutter or flat roof
  • For roof pitches of 30° and above.
  • Requires a lead cover flashing and should be laid in a line parallel to the slate coursing.

- Airtrak LB45 Layboard Ventilator:

  • Suitable for use at the junction of a slated or tiled roof with a lead lined gutter or flat roof.
  • Provides ventilation with minimal visual effect.
  • For roof pitches of 45° and above.

Applications:

  • Suitable for use with lead and hard metal roofing for a range of ventilation details.
  • E Version: For increased resistance to both wind uplift in exposed locations and corrosion in coastal locations, the ventilator can be supplied in 1.0 mm-thick, 316 grade stainless steel. Where extreme weather conditions are likely, consideration should be given to providing more weathering cover to upstands and slating or tiling to improve the integrity of the detail.
  • FR Version: To reduce spread of fire through ventilation apertures, the ventilator can be supplied with an intumescent seal.

Note: Standard Airtrak details assume moderate weather conditions. Small amounts of moisture may be admitted under heavy storm conditions. Where more severe weather conditions are likely, consideration should be given to increasing the vertical overlap dimension to upstands and to slating or tiling to improve the integrity of the weathering detail. For slate and tile details the manufacturer also recommends the use of the Airtrak LPS where appropriate. Contact manufacturer for further technical help.

Installation:

Consult manufacturer's literature for details.

General information
Material

Insect mesh: Vinyl-coated glass-reinforced plastic (GRP)

Uniclass 2015
Strip ventilators (Pr_30_59_29_82)Primary
Specification data - Strip ventilators
Product Reference

Airtrak LB20 Layboard Ventilator

Standard. For roof pitches of 20° and above.

Airtrak LB20-E Layboard Ventilator

Increased exposure. For roof pitches of 20° and above.

Airtrak LB20-FR Layboard Ventilator

Fire resistant ventilator with intumescent seal. For roof pitches of 20° and above.

Airtrak LB30 Layboard Ventilator

Standard. For roof pitches of 30° and above.

Airtrak LB30-E Layboard Ventilator

Increased exposure. For roof pitches of 30° and above.

Airtrak LB30-FR Layboard Ventilator

Fire resistant ventilator with intumescent seal. For roof pitches of 30° and above.

Airtrak LB45 Layboard Ventilator

Standard. For roof pitches of 45° and above.

Airtrak LB45-E Layboard Ventilator

Increased exposure. For roof pitches of 45° and above.

Airtrak LB45-FR Layboard Ventilator

Fire resistant ventilator with intumescent seal. For roof pitches of 45° and above.

Standard product features

Material:

Insect mesh: Vinyl-coated glass-reinforced plastic (GRP).

Length:

1000 mm.

Ventilation:

25 mm continuous ventilation aperture.

Product Options

Product reference:

- Airtrak LB20:

  • Material: 0.7 mm-thick 304 grade stainless steel.
  • Overall width: 240 mm.
  • Safe to use with other metals (lead, copper, zinc) under normal inland (non-marine) conditions.

- Airtrak LB20-E:

  • Material: 1.0 mm-thick 316 grade stainless steel.
  • Overall width: 240 mm.
  • Increased resistance to chemical corrosion and marine environments.
  • Safe to use with other metals (lead, copper, zinc) in coastal environments.

- Airtrak LB20-FR:

  • Material: 0.7 mm-thick 304 grade stainless steel.
  • Overall width: 275 mm.
  • Safe to use with other metals (lead, copper, zinc) under normal inland (non-marine) conditions.

- Airtrak LB30/ Airtrak LB30-FR:

  • Material: 0.7 mm-thick 304 grade stainless steel.
  • Overall width: 180 mm.
  • Safe to use with other metals (lead, copper, zinc) under normal inland (non-marine) conditions.

- Airtrak LB30-E:

  • Material: 1.0 mm-thick 316 grade stainless steel.
  • Overall width: 180 mm.
  • Increased resistance to chemical corrosion and marine environments.
  • Safe to use with other metals (lead, copper, zinc) in coastal environments.

- Airtrak LB45/ Airtrak LB45-FR:

  • Material: 0.7 mm-thick 304 grade stainless steel.
  • Overall width: 145 mm.
  • Safe to use with other metals (lead, copper, zinc) under normal inland (non-marine) conditions.

- Airtrak LB45-E:

  • Material: 1.0 mm-thick 316 grade stainless steel.
  • Overall width: 145 mm.
  • Increased resistance to chemical corrosion and marine environments.
  • Safe to use with other metals (lead, copper, zinc) in coastal environments.

Intumescent seal (Airtrak LB20-FR/ LB30-FR/ LB45-FR only):

  • Size: 4 x 30 x 1000 mm.
  • External finish: Foil wrapped for moisture protection.
  • Activation: 180–200°C.
  • Expansion ratio: 30:1.

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