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What is External Wall Insulation?
External Wall Insulation (or EWI) is applied externally to your building through various insulating and protective layers and finished with an external silicone enhanced acrylic render or dash finish. Uninsulated solid stone or solid brick walls can lose substantial amounts of heat if left untreated.
How do Exterior Wall Insulation systems work?
Rigid grey expanded polystyrene (EPS) insulation boards which are enhanced with graphite for better thermal performance are applied through mechanical fixings to the outside of the property to create a warm blanket to the building. The insulation is then covered with a reinforced fibreglass mesh basecoat followed by a primer and render finish.
The loss of heat through structural imperfections or insufficient insulation can be a serious and very costly problem. Heat energy can be lost from your home in three main ways, radiation, convection and conduction. It is thought that around 35% of the heat loss in your home could be caused by walls that are either badly insulated or have no insulation at all. Air is also lost through roofs without insulation, accounting for 25% of the total heat loss in your home. Most of the common types of insulation materials used work by reducing the flow of convective or conductive heat. Therefore, external wall insulation is crucial for reducing the loss in energy from your home.



Why Choose Us
Satisfied Customers
From start to finish, Tony, Rob and the team at Bromania Construction worked to an extremely high standard. Timelines were exceeded, professionalism was present throughout and we are delighted with the new addition to our property. Our expectations have been exceeded and I cannot recommend Vivid Green in a higher light than I do.
Amelia Banks, London
From the time that we contacted Bromania Construction to the time that they left site the building team and everyone associated were super professional. We are delighted with the end result and would recommend them to anyone.
Has your studio fulfilled all of your expectations?
Yes, and beyond!
How can we improve?
I really am struggling to find anything to suggest.
T Caldwell
T Caldwell, London
Bromania Construction have been amazing throughout the whole process I would recommend them to anyone they have really helped make my vision become a reality I am so happy. It was quick and easy! Everyone has been so friendly.
J Denis, Luton