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AIRTRAK® VA Ventilated Apron - Roof Ventilation System

Verified by manufacturer 2 months ago

Airtrak VA200 Ventilated Apron

Nicholson STS Ltd Variant:

Introduces ventilation at the head of slated or tiled pitch where the roof meets an abutment wall.

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Application

  • Suitable for use at the junction of a slated or tiled roof with an abutment.
  • 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

Introduces ventilation at the head of slated or tiled pitch where the roof meets an abutment wall.


Features and benefits:

  • The profile is supplied pre-bent to suit the roof pitch as specified, and is fixed to the abutment wall and covered with a flashing.
  • At lower pitches, the apron is combined with the appropriate LPS low pitch soaker to maintain the integrity of the detail.


Product selection guide:

- Tiled roof applications:

  • 45-65° roof pitch: VA200.
  • 28-44° roof pitch: VA200 + LPS150.

- Slated roof applications:

  • 35-65° roof pitch: VA200.
  • 25-34° roof pitch: VA200 + LPS225.
  • 20-24° roof pitch: VA250 + LPS225.

General information

Color

Silver

Material

Stainless steel

Glass Reinforced Plastic (GRP)

Guidance for specification option:

Insect mesh.

Shape

Rectangle

Length

1000 mm

Width

220 mm

275 mm

Warranty description

Ten year

Uniclass

Pr_30_59_29_02 Abutment ventilatorsPrimary

CAWS

H60/675 Top edge ventilated abutments

H60/72 Top edge ventilated abutments

H62/675 Top edge ventilated abutments

H65/675 Top edge ventilated abutments

Specification data - Abutment ventilators

Ventilation opening

10 mm continuous air gap equivalent.

LPS low pitch soaker

Not required.

Airtrak LPS150.

Guidance for specification option:

For tiled roofing, for use with VA200/ VA200-E/ VA200-FR only.

Airtrak LPS225.

Guidance for specification option:

For slated roofing, for use with all aprons.

Airtrak CF ClipFast fixing clips

Not required.

Airtrak CF ClipFast clips, stainless steel.

Guidance for specification option:

70 x 60 mm, 0.6 mm thickness.

Airtrak CF ClipFast clips, copper.

Guidance for specification option:

70 x 60 mm, 0.5 mm thickness.

Manufacturer guidance

Fixing clip for securing lead flashings to the Airtrak ventilators to prevent flashing creep over time. Clips locate in the slots found in the lower edge of the ventilator; these slots are spaced at approximately 330 mm centres.

Grade

304.

Dimensions

1000 x 220 mm.

Guidance for specification option:

Unit length x overall girth.

Type

Standard.

Roof pitch

200 mm.

Manufacturer guidance

Cover to roof pitch.

Sustainability data

Contains Red List materials

No

Country of material origin

United Kingdom

Country of product manufacture

United Kingdom

Recyclability

Recyclable at end of life

Recycled content

As defined in clause 7.8 of BS EN ISO 14021

50 %

Literature

AIRTRAK Roof Void Ventilation System 2020

AIRTRAK Roof Void Ventilation System 2020

AIRTRAK-FR Fire Resistant Ventilators

AIRTRAK-FR Fire Resistant Ventilators

AIRTRAK VA Technical Data Sheet

AIRTRAK VA Technical Data Sheet

Case studies

AIRTRAK™ - St Johns Chapel

AIRTRAK™ - St Johns Chapel

AIRTRAK™ - Coal Drops Yard

AIRTRAK™ - Coal Drops Yard

Clifton Cathedral

Clifton Cathedral

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