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    Boiler heating kettling - which heat exchanger HW or CH

    General question. When a central heating boiler kettles is it the hot water or the central heating heat exchanger that is the source of the noise 1) if only the HW system is in use or 2) if central heating is also turned on? I have a vokera Linea 24/28 combi and a Potterton Kingfisher MF...
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    fence panel 1 cm too big - how to reduce in size

    I am replacing some of my rotted lap fence panels with new ones, but need to use the existing posts. The new fence panels are approximately 6 foot wide, as are the gaps between the fence posts. This makes the fit too tight - the panel is often around 1/2 to 1 cm too wide, sometimes due to...
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    General roofing prices

    I am looking to replace my tile roof on a large 1930's semi-detached house which is just starting to let water in during heavy rain. When I moved in April 2006 I was quoted £8000 (pre-VAT) by couple of roofers. Now (June 2007) been quoted £14000 for same job - nothing has changed in...
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