External Wall Insulation (EWI)
How does External Wall Insulation work?
There are several types of insulation products that are attached to the outside of the property. These include expanded polystyrene (EPS), mineral wool, phenolic resin (K5) and Woodfibre. EPS is the most popular option as it’s cost-effective and easy to install.
Following the install of the insulation, the walls are normally finished in a weather-resistant, decorative render that comes in a variety of shades and finishes from pebbledash to a brick-effect design. Other available finishing options include composite cladding and brick slips. Whatever finish you choose, external wall insulation is designed to reduce your heating demand, prevent heat from escaping through the walls and overall improve your home’s thermal efficiency without taking away interior wall space.
External Wall Insulation benefits:
- Lowering heat loss and energy bills by slowing the rate at which rooms cool down
- Improving the external appearance of your home and increasing kerb appeal and value
- Reducing draughts and increasing the sense of comfort
- No disruption internally during installation
- Protecting the integrity of your walls from the elements
- Reducing noise pollution
- It does not reduce internal floor area
- It increases the life of the wall
- It reduces condensation on internal walls
Our installation process
Our Pro Unic team can design your insulation system with you and advise you on whether you will need to seek planning permission. Our professional and accredited installers employ the latest insulation materials and methods to insulate exterior walls to the highest standard, in compliance with building regulations.
At Pro Unic, we have that knowledge and have helped many UK homeowners and businesses transform their property into warm and energy-efficient buildings.


Prounic
Prounic has a hand selected team of friendly professionals specialising in Residential and Commercial Property’s. We work closely with home owners to property developers tailoring our service to your needs.
If you are unsure where to start and looking to maximise your property potential, increase space and add value, then Prounic can help guide you through from initial design to project completion. By investing in your property now you will truly see the happiness it can bring to your home for many years to come.