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Insulation

Cavity wall insulation removal

Anonymous user 21/09/2026 - 8.36 AM

I have CWI which i am pretty sure has failed. Do companies come out & do inspections to check or is it something i could do myself. I'm assuming it's just a matter of drilling a hole into the cavity & putting a camera through, or would using a camera that shows up any heat loss be better. Is CWI better nowadays than it used to be? Many thanks

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4 Answers

AC INSULATION

Rating: 5 out of 5
Coventry
Hello we need to send a surveyor as we need to check to see if the cavity is filled with mineral wool or Thermabead. The reason we ask because if it is Thermabead it has been bonded with adhesive and won’t be able to be removed. If it is mineral wool we can check what condition it is as they give you 25 years but after that time it starts to drop down. If that’s the case we need to extract and replace with new. We are fully qualified to extract and refill cavity wall. We offer a free survey.
Answered12 October 2026
1

Tudor Roberts

Rating: 5 out of 5
Mold
Hello I run a cavity wall insulation extraction business and would be happy to advise , depending on local visit and ispect cavity and insulation for issues. And if required supply a quote for removal of the insulation. Best regards Tudor
Answered17 June 2026
0

Apex Loft Insulation

No reviews yet

Wokingham
It’s probably best to get a thermal image done to see where the cold spots are just drilling a hole and using a camera doesn’t mean that area is failing if it’s been done recently then you can allways have it re blown if it’s old then it would have to extracted and re insulated most insulation companies can carry out inspections for you here is a few companies that may be able to help Insta group A&m and max energy
Answered22 June 2026
0

Ross ord

Rating: 5 out of 5
Newcastle Upon Tyne
I’d be able to advise you by inspecting the original drill pattern and a few of the existing drill holes with a borescope camera. This should help identify any faults or issues and give us a better idea of what’s going on.
Answered10 August 2026
0