Question:

Is it good to get cavity wall / roof insulation in the summer?

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I am thinking about getting cavity wall and roof insulation at the moment.

But since summer is approaching, I fear that getting the insulation will mean that the house will be very hot at night. (During day time the house will accumulate heat from the sun, and the heat cannot escape).

I also fear that the ventilation will be bad and the air in the house will not be as fresh.

Any advice please?

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3 ANSWERS


  1. Insulation works to keep a home cooler in summer as well as warmer in winter. And the warm months generally mean better conditions for the installation because of less potential moisture, which sometimes forms in uninsulated homes in the freezing cold, being trapped in ceiling and wall cavities.

    To have your ceiling insulation function properly, attic ventilation is required. This is approx. 1 sq. ft./ clear ventilation to 300 sq. ft. of attic space. More is better than less.

    You will find your home cooler. Insulation on its own does not change ventilation. This is an air/vapor barrier situation which also should be considered when insulating.


  2. please stop worrying.your house will be warmer,but not hot.it is also a good idea to open your windows for at least 20 mins a day to allow claen/fresh air to circulate.you are correct in doing the job now though.

  3. Insulation helps both in heating in the winter and with cooling in the summer!

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