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Extension Sleeve for Underfloor Adjustable Telescopic Cavity Wall Vents G961

Extension Sleeve for Underfloor Adjustable Telescopic Cavity Wall Vents G961

by Homesmart
£6.99 - £6.99
£6.99
£6.99 - £6.99
£6.99
SKU HS-941-G961-NP
Availability:
in stock, ready to be shipped
Description

Manthorpe G961 Extension Sleeve

 

Pack of 1    


 

Extension Sleeve 9" x 3" for cavity wall ventilators.

Part number: G961.

Can be used for vertical or rear horizontal extension.

Designed to be used with G960 Manthorpe telescopic vents.

Each unit extends the under floor ventilator a further 150mm vertically or 185mm horizontally.

Further extension can be added.

Provides a maximum equivalent area of 6600mm² airflow.

Meets NHBC requirements for the control of condensation in buildings.

 

 

Key Features

6600mm² airflow.

Allows ventilation to an underfloor void.

Allows a 2 course per extension.

 

Regulations & Standards

BRE Digest 17.

BRE Digest 262.

Building Regulations C4.

NHBC Standards 5.2.

BS 5250:2011 Control of Condensation in Building.

Delivery & Returns

Delivery:

  • Dispatched from our UK warehouse within 1–3 working days.
  • Free UK delivery on orders over £75.
  • Same-day dispatch on orders before 1pm.

Returns:

  • 30-day return window for unused items.
  • Easy returns via our Customer Support tab.
  • UK VAT-registered business with full buyer protection.