Services
what we do.
Is Your Cavity Wall Insulation Letting You Down? We Have the Solution.
Even if your home has cavity wall insulation, it might not be performing as it should. Over time, or due to initial installation issues, many older insulation types lose their effectiveness, leading to cold spots, dampness, and higher energy bills. At Thermalfill Insulation, we specialise in expert CWI remediation to maximise your home’s thermal performance.”
Installing bead cavity wall insulation can save homeowners up to 30% on fuel bills
of all houses built in NI have cavities filled with bonded bead.
What we offer
As well as insulating new build properties and extensions, we offer three types of cavity wall remediation

New Build & Extensions
Full Fill
Extract and Refill
Partial Fill
Get in touch
Restore Comfort and Cut Bills with Thermalfill Insulation
Unsure which remediation solution your property may need? Don’t worry! Our experienced team can assess your home’s specific needs, identify the existing insulation (or lack thereof), and recommend the most effective and cost-efficient solution to ensure your home is warm, comfortable, and energy-efficient for years to come.
Reclaim Your Home’s Comfort, Health & Efficiency Today with Thermalfill Insulation.
Contact us today on
02892 094 108 / 07701 253936,
or email us on:enquiries@thermalfill.co.uk