When your problem is advanced and remedial treatments fail.

Home / Cavity Extraction

Unfortunately, the rot is in. Immediate action is required.

Discover the power of cavity wall extraction at Energy Opti Save. Our expert technicians use state-of-the-art industrial vacuums to carefully remove failed insulation – the hidden cause of trapped moisture and home damage. We reinstate brickwork with precision and attention to detail, eliminating penetrating damp at its source. Enjoy better thermal performance and a healthier living space.
Reclaim your comfort. Boost your property’s value. Start your journey to an optimised home today.

Beat Degenerated Cavity Wall Insulation Before It Destroys Your Home!

Failed cavity wall insulation doesn’t just sit there – it turns to mush, traps moisture, breeds mould, and silently rots your walls from within. Our degenerated cavity wall insulation removal service uses specialist industrial vacuums to suck out every last bit of soggy, collapsed material, restoring your home’s defences and preventing thousands in future damage. Don’t patch the symptoms – extract the cause and reclaim a dry, healthy home today.

Benefits of cavity wall insulation removal

Cure Damp issues and restore Thermal Efficiency

Transform, protect and cure damp mould and cavity wall insulation issues by investing in our Total Duo Solution. Receive professional cavity wall insulation extraction coupled with our Nuaire Positive Input Ventilation (PIV) system, both installed in one efficient visit – saving you money by way of a single visit, time, and added stress free, whilst protecting, curing damp mould and removing inefficient cavity wall insulation.

What you get in the Duo Package

Key Features & Benefits

Feature Benefit
Industrial vacuum extraction (6" hoses, borescope inspection) Removes 100% of failed insulation causing damp/bridges – no patches left to rot. Prevents penetrating damp and costly brick repointing later.
Nuaire PIV (whole-house ventilation) Continuously extracts moist indoor air while supplying filtered dry air. Cuts condensation by 75%, eradicates mould, improves air quality for allergy sufferers.
One-team, one-day install No repeat visits or coordinating trades. Full guarantee on extraction + 5-year Nuaire warranty.
Energy savings boost Post-extraction + PIV = up to 20% lower heating bills. EPC rating jumps 1–2 bands, ideal for selling or rentals.