With this in mind, if you find that your home is lacking in-wall insulation, it’s important to invest in the installation of ...

Andrew Legge, CEO of Havelock Wool, a company that produces natural, sustainable building insulation made from wool, explains that a thin wall has a maximum thickness of 4.5 inches. It is typically ...

That’s partly because 9 out of 10 homes in the U.S. are under-insulated, according to the Environmental Protection Agency (EPA), with older residences especially likely to need the extra care.

The holes are then filled in to match your brickwork. Cavity wall insulation normally takes around two hours to install, but this depends on the size of the house and other factors, such as ease of ...