Value Poly | Wall Insulation | How To

What you will need:

  • Knife/blade
  • Clothes you don't mind getting dirty
  • Safety glasses
  • Angle grinder with 1mm blade (if trimming is required)
  • Hammer tacker
  • Packing straps
  • Scissors 

Video Guides:

Watch our video for a guide on how to install insulation in your walls in your new build, renovation or extension.


You may need to trim the polyester batts. For a quick and easy way to do that, check out this video.


Retrofitting wall insulation into your existing home requires a high level of skill. Plasterboards need to be removed and refitted and this is a job for a building expert or highly experienced DIY’er.