Phone: 0191 521 4333

Cavity Wall Insulation Removal

Extract North East Ltd specialise in Cavity Wall Insulation Removal across the UK for those properties that are suffering from insulation problems, such as mould and/or damp walls. We offer a cost effective solutions to remove / extract faulty cavity wall insulation using the latest insulation machine. Extract North East Ltd remove retro fitted cavity wall insulation.

  • Expanded polystyrene
  • Loose and/or bonded Urea Formaldehyde Insulation
  • Rockwool Mineral Fibre
  • Whitewool Glass Mineral Fibre


Insulations problems


  • Water penetration caused by wind-driven rain.
  • Mortar or render in a poor state of repair.
  • Water tracking.
  • Flood damage.


  • Steel framed.
  • Timber framed.
  • Mortgage Difficulty


  • Urea formaldehyde foam shrinkage; this can degrade over the years.
  • Fibre can slump over a long period of time.


  • Insulation incorrectly installed.
  • Incorrect drill pattern used.

Our Process

At extract northeast we try to make the customers journey as simple as possible. Our objective is a staged response to initial enquiry regarding services provided.

Stage of installing Cavity Wall Installation

Once a customer enquiry has been taken an appointment is made with the customer to
carry out survey of property.

Survey will take all measurements and carry out combustion ventilation checks, health and
safety checks   external photos and internal cavity photos
will be taken.

All paperwork will be completed at this stage and all questions the customer may
have answered (this is a no obligation free survey).

On the findings of the survey a report is compiled and issued to the customer at this
stage a quotation for works will accompany the report (no obligation quote) the
quote will stand for three months from date.

Once the customer has accepted the quote extract administration will contact customer to
arrange suitable date for works to be carried out.

On arrival
on site operatives will introduce themselves to customer and explain how works
will proceed.

If there are
external flues to the property the operatives will carry out all checks on
combustion to appliances and spillage test as required this must take place
before works start and again after works complete. ( as per survey )

The full property will be drilled out with a 22mm drill bit these holes are drilled into
the motor beds were they meet and form a upside down T this is done to minimise damage to brick work.

Bricks at lower level are removed to allow access for extractor vac   pipe bricks are removed above dpc level to
avoid damage to dpc .

Extraction begins with air line placed into pre drilled holes and air inserted into cavity
this forces old materials towards extraction point.

Holes not in use will be plugged to minimise  excessive dust and fibres escaping to outside
when works are ongoing.

The extractor vac transfers all materials and waste into bags for disposal via
skips at our depot.

once all materials and rubble is removed all remedial works are completed and tidying up
can commence operatives do not leave site until customer is satisfied with

Post internal photos are taken to show cavity is clean from materials and debris
customer will get second report showing work carried out to high standard by a
registered company.