The Manthorpe G961 - Underfloor Vent Extension Sleeve has been designed for use with the Manthorpe range of Telescopic Underfloor Ventilators.
Each extension sleeve allows the vent to reach a further two brick courses vertically. The sleeve can also be fitted to the base of the underfloor vents to provide a longer horizontal extension through larger cavities.
- 6,600mm² airflow
- Allows ventilation to deeper underfloor voids
- Additional depth and cavity span
- Allows an extra 2 courses vertically per unit
- Provides an extra 150mm horizontal extension through wider cavities
- Quick and easy push fit assembly with the underfloor vents
- Maintains an unobstructed airflow path through the wall
- Sold individually but can be purchased in a box of 20
The Manthorpe G961 - Underfloor Vent Extension Sleeve are available for speedy delivery.
|Size||50 x 235 x 215mm|
|Free Vent Area||7,000mm²|
|Vertical Span||2 Extra Courses|
|Horizontal Span||Extra 180mm|
|Packaging||20 per box|
|Manufacturing Process||Injection Moulded|
|Single Person Installation Possible||Yes|
About the manufacturer - Manthorpe
Manthorpe Building Products is a leading designer, manufacturer and supplier plastic injection moulded, vacuum formed and extruded products for the building industry, with extensive product ranges available throughout the UK.
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