WHAT IS EWI INSULATION?
It will renew the appearance of outer walls. It will improve weatherproofing and sound resistance. It fills cracks and gaps in the brickwork, which will reduce draughts. ... Reduces condensation on internal walls and can help prevent damp (but will not solve rising or penetration damp)
WHAT EWI INSULATION PROVIDES!
Reducing heat loss and energy bills
Reducing draughts and increasing the sense of comfort
It does not disrupt the house while being installed
It does not reduce internal floor area
It improves weatherproofing and sound resistance
It increases the life of the wall
It reduces condensation on internal walls
EXTERNAL WALL INSULATION
The cost of External Wall Insulation Ranges In Prices. Beginning Cost of A three-bedroom semi detached is likely to cost between £8,000-11,000. The cost of the insulation process involves preparation such as scaffolding and removing/replacing all of the pipes and cables that are fixed to the wall that cannot be avoided. The cost includes the EWI system and installation work of the system, as well as the rubbish removal and cleaning up work.
External wall insulation is very effective. Adding it as part of a larger project will reduce the cost of Energy being used year by year which resolves the costs to even out.