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Telescopic Underfloor Vent Black 220mm x 215mm Product Code: 12025

Provides ventilation below suspended ground floors. Adjustable for 3, 4 or 5 brick courses. Free air flow of 6m². Grille prevents entry of vermin. Tough, robust and resistant to decay. Satisfies NHBC requirements and meets all British standards. Use with Air Brick (Code 13873).


Additional Information
Technical Specification
  • Brand : Unbranded
  • Product Length : 215 mm
  • Product Type : Telescopic Underfloor Vent
  • Product Width : 220 mm
  • Colour : Black
  • Pack Size : 1
  • Manufacturer Guarantee : 1 Year Guarantee
  • Pieces in Pack/Case : 1
Product Contents
Delivery & Returns


Standard delivery: €15

Free delivery on all orders over €70.00

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€3.45 Incl. 20% VAT

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Telescopic Underfloor Vent Black 220mm x 215mm is rated 4.7 out of 5 by 6.
Rated 3 out of 5 by from FITTING AIR BRICK VENT have bought a few of these now .the product is fine. however a word of warning these air brick channels are not suitable for old houses with 68mm width of bricks or more or brick cavity larger than that in new build houses. I have fitted these to a 1994 semi with cavity walls. problem is the front air brick vent will not fit flush with the exterior brick work ,they will be sat inside the opening by about 2cm. the solution is which is a rather messy one is to grind back the inner face of the exterior brick by 2cm .you will need to take out the inner bricks first. I did this and now they are ok but its a lot of work and dust , not for the faint hearted tand you need a face mask and goggles if you grind back your bricks . and a dust sheet .
Date published: 2014-08-23
Rated 5 out of 5 by from Ex-Stock & Good Design Building an extension so needed to extend the airflow under the new concrete floor. This was just the thing and was able to collect them straight away from the local store. - As we needed to extend rather than just drop the air vent it would of been useful if there were adapters to convert from rectangular to 110mm round pipe. But overall a good product at a reasonable price.
Date published: 2014-08-13
Rated 5 out of 5 by from Airey Fitted these to a building where the Highways Dept. in their wisdom put a new path outside the house and half covered over the air brick creating a drain into the house. these did the job, better quality that some I have used in the past.
Date published: 2014-05-15
Rated 5 out of 5 by from Ventilation I have had problems for years with damp in my house.... have lifted the floorboards and found that the builders put plenty of air bricks in, but then they put the joist right up against the wall so no air could get in to circulate under the floor.. found these, cut into the joists and installed them.. now getting plenty of air under the floorboards, no more musty smell in the house, recommend these to anyone
Date published: 2011-07-16
Rated 5 out of 5 by from Superb Value Not a lot to say about these except they are excellent value for money when you compare other suppliers prices. does exactly what you need them to do !!
Date published: 2011-03-23
Rated 5 out of 5 by from Just what I was [email protected]@king for I had no hesitation whatsoever in logging on to Screwfix and finding just what I wanted, unlike other sites. The item does what it says and is very easy to use.
Date published: 2009-11-24
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