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Application

  • When cavity ventilation and/ or drainage is required to an external cavity wall;
  • Suitable solution for retro-fitting;
  • Designed with high airflow for venting timber framed buildings;
  • Suitable for both high and low-level cavity wall ventilation and drainage applications;
  • Suitable for rendered masonry walls.

Description

Cavity ventilator and drainage weep.


Features and benefits:

  • Purpose-made and pre-formed to guarantee reliable ventilation.
  • Quick and easy to install in a 25 mm diameter drilled hole.
  • Circular design allows efficient ventilation airflow of 335 mm².
  • Integral curved louvres are designed to maximize airflow and reduce entry of wind driven rain.
  • Louvres designed to prevent entry of large nest building insects into the cavity.
  • Large low-level drainage hole.
  • Barbed body ensures secure fit into pre-drilled hole.
  • Outer flange to offer clean finish.
  • Range of colours to blend with brick or mortar colour (Clear; Buff; Terracotta).


Quality:

  • Satisfies all relevant NHBC Standards for cavity ventilation and drainage.
  • Manufactured to BS EN ISO 9001.
  • Complies with all relevant Building Regulations.
  • Meets all relevant British Standards.

General information

Shape

Rectangle

Color

Beige

Other

Guidance for specification option:

Clear.

Orange

Material

Polypropylene (PP)

Uniclass

Pr_20_85_62_64 Plastics drainage weep holesPrimary

CAWS

D45/312 Weep holes

F30/175 Cavity ventilators

F30/19 Cavity ventilators

Specification data - Plastics drainage weepholes

Diameter

25 mm.

Guidance for specification option:

Hole size.

Colour

Clear (DV1).

Buff (DV2).

Terracotta (DV3).