Advantages Of Insulating Under Your Floorboards

Wherever thermal comfort is worried, chilly temperatures seem to be to get the finest toll on our toes. In its place of relying on fluffy socks to get you via the winter, consider installing ground insulation – a critical preventative step from warmth loss and draughts.

According to the Energy Conserving Have faith in, installing floor insulation in a normal semi-detached property could help save you all over £50 for each calendar year on electricity expenses! Sound fantastic? Read through on to learn how you can flip the thermostat down and deliver your consolation concentrations up.

Suspended Ground Insulation Set up

Insulating a suspended timber floor eradicates draughts and diminishes warmth loss by means of the floor’s material.

Insulating suspended timber floors is, in principle, a basic system which can incorporate an insulation products, a breather membrane or a vapour command layer.

In some cases, nonetheless, it is ample just to set up the insulation substance, which will be firmly equipped involving the floor joists from the underside. Access to carry out the perform is the most significant consideration in this article, as frequently flooring boards will need to be taken up.

When you insulate suspended timber flooring, sustaining successful ventilation is important. This is generally accomplished with air bricks – these should really be left uncovered by the insulation content so as not to inhibit air movement.

Reliable Ground Insulation Installation

While floor insulation advantages all people, those with a sound ground ground/solid concrete flooring need to set in a little bit additional operate the method is much more complicated and labour-intense, but the effects are really worth it.

Normally, rigid foam insulation is positioned more than the concrete ground and then topped off with chipboard and a most popular flooring masking.

Ground insulation need to go earlier mentioned the moist-evidence membrane to secure both equally the concrete and insulation from dampness destruction.

Bear in brain, when insulation is included on top of a sound ground the entire floor degree will rise. Thing to consider need to be provided to this and any potential adjustments to doorways, improve in stages involving rooms and so on. Normally seek the advice of a expert.

Rewards of Ground Insulation

  • Long term-proofing your assets – Upgrading your home’s insulation can work to improve your EPC ratings.
  • Low servicing – Insulating your flooring is a 1-time job with minimal to no demanded repairs.
  • Sustainability – Underfloor insulation conserves power, lowers carbon dioxide emissions and benefits the setting.
  • Strength bill reduction – Up to 20% of warmth reduction in a house can be attributed to inadequately insulated floors – by installing flooring insulation you could help you save up to £65 each year on your strength bills!

What Insulation Can I Use To Insulate My Ground? 

Every single substance has its have rewards which should really be thoroughly regarded, for illustration – insulation roll is less costly and less difficult to set up, on the other hand, 100mm Celotex is extra expensive but yields greater thermal efficiency.

  • Knauf Insulation Roll
  • Celotex 100mm
  • Rockwool Insulation Slab (mineral wool)


There are quite a few positive aspects to suspended timber ground insulation, both in phrases of power savings and convenience. When you insulate beneath floorboards you not only make the surface area hotter but also boost the property’s thermal envelope as a whole.

You can possibly install ground insulation oneself or hire a specialist to do it for you. If you seek the services of a skilled, they will likely cost by the sq. foot, so be sure to get an estimate in advance of they get started get the job done.

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