Methane Barrier

Description

Preformed pethelene radon / methane cavity barrier lengths and angles for incorporation within cavity wall to arrest rising gases. Extends inwardly to link with compatible oversite membrane, thus creating a protective shield throughout footprint of building.


Features:

  • Proportioned and shaped to encourage rising methane gas to be arrested and discharged via brick ventilators.
  • Links with methane resistant oversite membrane.

General information

Color

Black.

Material

Pethelene

Shape

  • Various standard and special profiles are available in standard 2.4 m long straight lengths.
  • Standard internal and external angles 450 x 450 mm, other sizes to special order.


Uniclass 2015

Pr_25_57_21_35 Gas-resistant damp-proof coursesPrimary

CAWS

F30/360 Gas resistant damp proof courses/ cavity trays

F30/54 Gas resistant dpcs/ cavity trays

Specification data - Gas-resistant damp-proof courses Enhanced data

Material

Pethelene

Product Reference

Methane Barrier

Cavity width

75 mm

100 mm

___ mm

As drawing __

Vertical rise

225 mm

___ mm

As drawings ___

Angle returns

External (450 x 450 mm)

Internal (450 x 450 mm)

External (__x__ mm)

Internal (__x__ mm)

As drawing ___

Special cloaks

Corners, steps, vertical links, party wall situations with integral wall channels, etc. Cavity Trays Ltd recommend submission of drawings to determine requirements.

None

As drawing ___

Literature

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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