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Is it worth insulating under the floor boards?
Posted by Tim Pullen on 4th January 2010 at 12:20 pm
Around 15% of the heat leaving a house exits through the ground floor. And that does not account for the draughts coming up through the floor. So the simple answer is Yes - it is worth insulating under the floor boards. The problem is that, unless you have space to get under the floor boards, it …
Posted in: Energy efficiency
How much loft insulation is enough?
Posted by Tim Pullen on 19th April 2010 at 10:22 am
Everyone understands the need to insulate the loft but few people know how much is enough. The loft is second only to the walls in terms of the proportion of the heat lost at 25%, but it is by far the easiest to deal with. I often get told that the house is “super-insulated” as …
Posted in: Energy efficiency
Insulation is king - part 2
Posted by Tim Pullen on 3rd April 2009 at 8:20 am
A question I am often asked at exhibition seminars is should cavity walls have cavity wall insulation. Almost invariably the answer is yes. The typical cavity is 50mm (2 inches) wide and 50mm of foam insulation will reduce the heat loss through the wall by around 75%. As 35 per cent of the total hea…
Posted in: Energy efficiency
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