In both residential and commercial applications, External Wall Insulation (or EWI) systems offer a number of benefits, central amongst which are thermal insulation, a protective layer and an aesthetically pleasing finish. EWI systems are generally comprised of an insulant, a fixing and a final finish, which can be a render or a decorative cladding such as brick slips or shiplap boards. The insulant is fixed to the wall (or in our case to the Versapanel cement particle board (itself fitted to the steel stud of a steel frame system). The final finish is applied or attached to the insulant.
In a steel frame system, Euroform’s Versapanel is fixed to the studs with a rail system fitted to studs through the Versapanel, and packs to provide a drainage cavity between the Versapanel and the insulation, as in the illustration below. Click here to find out more about our cement particle board.
External Wall Insulation and sustainability tend to go hand-in-hand. With the recent introduction of Euroform’s Versapanel Eco, our ‘green’ cement particle board, we can make a significant contribution to that relationship, offering FSC Chain of Custody certification which tracks the wood content of our CP board from seed, through sapling and mature tree, right to the end product.
- EWI Insulated Render
- Timber Cladding
- Ventilated Rainscreen
- Composite Panels
External Wall Insulation (EWI)
Versapanel cement particle board is fixed to the studs with a rail system fitted to studs through the Versapanel, and packs to provide a drainage cavity between the Versapanel and the insulation.
The Versapanel cement particle board is fixed to the steel frame with rigid insulation fixed to the framing through the Versapanel.
The Versapanel cement particle board is fixed to the steel frame with helping hand brackets fixed to the studs through the Versapanel.
The Versapanel cement particle board is fixed to the steel frame and the composite panel is fixed to the steel frame through the Versapanel.
Case studies for Versapanel and Versapanel Eco in external wall insulation (EWI) construction projects coming soon!
Advantages of External Wall Insulation Systems
- Exceptional Thermal Efficiency
The demands of ever-more stringent Building Regulations combined with a massive cultural shift towards sustainability, means architects and building contractors are always looking for ways to increase the thermal efficiency of the buildings they design and construct. Factor in rapidly rising energy prices and it’s little wonder there’s a collective scramble to find or develop increasingly effective insulation solutions.
According to the Insulated Render and Cladding Association (INCA), a solid brick wall will typically have a U-value of 2.0W/m²K. Installing external wall insulation can reduce this to 0.35W/m²K, potentially reducing heating costs by as much as 40%.
What’s more, the fact that the EWI consists of a strategically fixed yet largely separate layer means the problems of thermal bridging are effectively circumvented.
- A Protective Layer
Like a suit of armour, EWI provides are robust and easily maintained shield against the elements, ensuring the supporting wall remains warm and dry. This minimises condensation and mould, reducing the risk of damp and, consequently extending the life of a building that might otherwise be shortened by rot and other forms of physical degradation.
Where buildings may be exposed to other forms of physical damage (vandalism in inner city areas or the accidental wear and tear of industrial premises), external wall insulation also offers the benefit of quick and easy maintenance and, if necessary, cost-effective partial replacement.
- Aesthetic Finish
You only have to look around any city to see that the days of the monochrome environment dominated by straight lines and a few evergreen architectural styles is long gone. Bright colours and curves abound and structures which refuse to acknowledge any (or certainly any single) architectural school or style are springing up all the time. External wall insulation, with its coloured renders and the wide array of cladding products available have played no small part in this exciting transformation of our towns and cities.