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As well as being qualified building surveyors, our HomeSnag surveyors are also qualified Building Thermographers. This is important because the majority of surveyors using a thermal camera are not trained to understand when or how to use a thermal camera properly. They may miss issues or likewise misdiagnose something due to not following the necessary procedures. As a rule to ensure that the correct temperature difference (inside vs outside) is achieved, we only carry out thermographic heat loss surveys during the months between November-February. The most common heat loss faults with new build houses relate to either draughts or improperly installed insulation. Insulation is found both in the loft and in the cavity of external walls. The cavity wall insulation can range from rigid panels that are built up, or it can be blown in. We use professional thermal cameras and borescope cameras to check for any cavity insulation issues and we spend time in the loft ensuring it has been laid properly. Often in the loft, tradesman carrying out work to ducting and electrics move the insulation aside or it simply hasn't been cross laid to prevent air pockets. It is surprising how little of a gap in either the loft or cavity wall will be noticeable to a homeowner. Whilst the winter months will lead to the majority of customers calling us to report issues, the effects of poor cavity wall insulation can actually be felt in the summer months too. The reason for this is that the purpose of cavity wall insulation is to stop air flow. So in summer months, a lack of cavity wall insulation will not prevent the warm air from transferring outside indoors to the cooler air... this is simply nature's way of wanting to return to an equilibrium. So if you have one room that is uncomfortably warmer in the summer months, it may be a sign of poor cavity wall insulation because it is too easily finding that equilibrium through the walls. An example of both missing cavity wall insulation and loft insulation are provided below from one of our reports carried out this year by our snagger Alex. If you would like us to carry out a thermal heat loss survey on your new-build house, click below to check availability. You can choose us to carry out the survey on its own (suitable if you have been in your new build house for more than a year) or as part of the full package if you have recently moved in.
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A Snaggers BlogHomeSnag inspectors are experts at inspecting new-build houses. This blog shares real examples to demonstrate the importance of getting your new build house or apartment snagged professionally Archives
August 2023
"I always insist that there is specific provision for snagging," says Thomas Moran, partner at law firm Speechly Bircham. "Reputable developers do this anyway, but there are all sorts in the market, some big, some small, so you need a contractual promise than within, say, a year they will come back to remedy any minor defects in the finishing." read full article here
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Office 1, Izabella House, 24-26 Regent Place, Birmingham, B1 3NJ
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