Good home insulation starts in the ceiling

Published date11 August 2022
Publication titleSouthland Express
This makes your house easier and cheaper to heat properly, and more comfortable and healthy to live in

The first priority for insulating your home should be the ceiling, then underfloor and walls.

Ceiling insulation

Hot air rises, so making most homes easier and cheaper to heat properly starts with good ceiling insulation.

If your home already has ceiling insulation, check that it hasn’t been damaged or moved during house repairs and that it is up to today’s standard.

Checking ceiling insulation

It’s worth checking your insulation occasionally to ensure it is still working effectively. It may never have been up to today’s standard, may have been damaged by people working in the ceiling space, or slumped towards a heat source, creating a fire risk.

If you can do it safely, get a stepladder and peek through the hatch of your ceiling into your roof space to see if you have insulation.

You will need to add a top-up layer if your existing insulation is less than 12cm thick (it should be thicker than the height of the ceiling joists), doesn’t cover the whole ceiling, or has gaps in it, or places where it is squashed or tucked in.

You need to remove the old insulation and start again with a new layer, if it is wet or damp in areas, or has been damaged by rodents...

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