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Loft insulation

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Loft insulation
Loft insulation
Loft insulation is needed to save heat energy and contain it within the building. It reduces heat because hot air is lighter than cool air therefore hot air rises. Therefore the hot air that rises will stay at the top. Meanwhile the air below begins to gain heat and in turn rises while the hot air above loses heat and falls. This cycle is called convection.

Loft insulation acts like a blanket, helping prevent heat escaping through the roof. Insulating your home isn’t a one off saving either, it will keep your home warmer in the winter and cooler in the summer, helping you to save money on your energy bills year after year.
It’s straightforward and usually takes less than a day to install. Loft insulation is a thick material simply rolled onto the loft floor.
Without proper insulation a lot of the valuable, expensive energy you use to heat your home will be lost through the loft. The recommended depth for mineral wool insulation is 270mm however there are other materials which require different depths. The better insulated your home, the less energy you need to keep it warm - the more money you'll save in the long run. By saving energy, your household will produce less CO2. So, adding or topping up your loft insulation is a great way to do your bit - and reduce your impact on the environment. Plus, to save money on a professional installation, you can even do it yourself.
There are some simple ways to reduce heat loss, including fitting carpets, curtains and draught excluders.
Heat loss through windows can be reduced using double glazing. The gap between the two panes of glass is filled with air. Heat loss through conduction is reduced, as air is a poor conductor of heat. Heat transfer by convection currents is also reduced by making the gap is very narrow.

Heat loss through walls can be reduced using cavity wall insulation. This involves blowing insulating material into the gap between the brick and the inside wall, which reduces the

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