9" x 6" Cavity Wall Extension Sleeve for Air Draught Ventilator Vent
Product Description
Extension Sleeve for Cavity Vent
9 x 6 inch
Extension sleeve for cavity wall ventilators
Each adaptor adds on another 200mm to sleeve length
Adaptors can be added on to each other for extra reach
Extendable cavity Sleeves Available in our shop
Meets requirements for British Gas.
Use
To provide ventilation for heat producing appliancesTo provide background room ventilationIndividual ventilation sets can supply up to maximum appliance rated input of 29kW (99,000 Btu/h)For new build, refurbishment and remedial work
Features & benefits
Aesthetically pleasing and a simple to install modular systemExcellent airflow propertiesIndependently tested by BREOffers reduction of draughts and light compared to basic through wall ventilationCowl or air brick version availableInternal baffle with aerodynamic design improves airflowInternal finish with open louvre grille (options with Hit & Miss available to special request, but not suitable for heat producing appliances.
Quality
Equivalent area tested to BS EN13141-1:2004Compliant with BS 5440-2:2000, BS 5871-3:2005 & BS 493:1995Complies with Building Regulation 2000 Approved Documents F (2004 edition) & J (2002 edition)Complies with ‘The Scottish Building Standards’ Technical handbooksManufactured to BS EN ISO 9001:2008Meets the requirements of British GasSatisfies NHBC Standards 2008
Material & colour choice
Manufactured by injection moulding in HIPS/PolypropyleneExternal brick/cowls in buff, brown, terracotta & whiteInternal grilles are white as standard