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Air Tight House - Convential Block Build

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  • 07-03-2008 3:43pm
    #1
    rus2007
    Closed Accounts Posts: 8 ✭


    I want to build an air-tight house with HRV system but am building using block cavity walls - is it possible to achieve air tightness using this build method?

    What areas are the most important to look out for when building? Wall Plate, Window Boards etc?


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    #2
    sinnerboy
    Closed Accounts Posts: 5,433 ✭✭✭sinnerboy


    download pdf here

    http://www.planningportal.gov.uk/england/professionals/en/1115314255968.html


  • Options
    #3
    rus2007
    Closed Accounts Posts: 8 ✭rus2007


    Thanks again! :)


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    #4
    -unlaoised-
    Closed Accounts Posts: 26 ✭-unlaoised-


    hello,
    sinnerboy, great link, thanks for that!

    company below gave presentation at momebond right on the site.
    http://www.ecologicalbuildingsystems.com/products/airtightness

    New part L 2007 - states air tightness test will be required as part of bldg regs from when they kick in!
    "1.3.4.4 Air pressure testing should be carried out
    on a proportion of dwellings on all development
    sites.

    Table 4 Number of pressure tests per
    dwelling type
    Number of units Number of tests
    4 or less One test"

    "In general, this document applies to works to new
    dwellings, where the work commences or takes
    place, as the case may be, on or after 1 July 2008.
    Insofar as the guidance contained therein relates to
    dwellings, Technical Guidance Document L -
    Conservation of Fuel and Energy (2006 Edition)
    ceases to have effect from 1 July 2008.
    However, the foregoing document may continue to
    be used in the case of dwellings:
    - where the work, material alteration or the
    change of use commences or takes place, as the
    case may be, on or before 30 June 2008, or
    - where planning approval or permission has been
    applied for on or before 30 June 2008, and
    substantial work has been completed by 1 July
    2009.
    Where the works involve the installation of oil or gas
    fired boilers in either a new or existing dwelling, the
    relevant aspects of this guidance applies to works
    undertaken after the 31 March 2008."


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    #5
    ollie30
    Closed Accounts Posts: 57 ✭✭ollie30


    google 'seda' it,s a scottish air tightness co. , or goverment body (which i,m not sure)but the web site is full of the necessary methods to achieve a set level of air tightness. i think where the help is more needed for self builders is understanding these methods completely and implementing them correctly.i think it's easier said than done


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