NBS Source
Type BA Cavity Barrier Arch

Application

A moulded DPC barrier only for arches.

Suitable for traditional or timber frame construction.

Description

A preformed damp proof course cavity tray for traditional masonry arch openings.


Features and Benefits:

  • Offered on a tailor made basis; can be adapted to suit most requirements.
  • Allows use of traditional centring
  • Dispels moisture at intrados level.
  • Format can accommodate very wide openings.

General information

Color

Black

Material

Polypropylene

Thermo-stable polypropylene DPC, type 6 heavy duty.

Size

Maximum overall length of 2400 mm available in one piece. Type BA can be supplied in sections to accommodate wider arches.

Uniclass

Pr_25_57_21_66 Preformed cavity traysPrimary

CAWS

F30/380 Junction cloaks/ stop ends for preformed dpcs/ cavity trays

F30/385 Junction cloaks/ stop ends for preformed dpcs/ cavity trays

F30/58 Preformed dpc/ cavity tray junction cloaks/ stop ends

Specification data - Preformed cavity trays Enhanced data

Material

Polypropylene.

To fit cavity width

50–300 mm.

Maximum overall length available in one piece.

Length (effective)

2400 mm.

Location

As drawings ___.

Arch style

Gothic.

Ogee.

Segmental.

Semicircular.

Three centred.

Show more

Thickness

3 mm.

2 mm.

1.5 mm.

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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