External wall insulation (EWI) is a solid wall insulation material attached to the outside of a building and covered with a protective render. It is suitable for old or unconventional buildings that don't have cavity walls.
All of the systems are designed to be virtually maintenance-free and self-cleaning. As with good normal building maintenance, checks are required on movement joints, rainwater pipes etc and general building maintenance is advised to ensure the longevity and performance of the system.
The system will be installed in a number of key stages. All the external fittings will be removed or redirected, the insulation slabs may have an adhesive and/or a mechanical fixing, followed by the applications of a render system to provide protection and a decorative finish. Upon completion, all external fittings are then repositioned.
External Wall Insulation on average takes about 2-3 weeks from assembly to dismantle of the scaffolding. As with most building works the installation is weather dependent and this may create some delays.
A wide choice styles are available including a vast choice of colours, textures, pebble dash and real and simulated brick effect finishes. Colour cards and samples are available on request from your local Weber recommended installer.
Whilst work is ongoing on the property, disruption will be minimal. However as part of the installation process drilling and mixing machines will be in use whilst work progresses. Ongoing liaison with the installer will continue throughout the programme.
There is no need to vacate the house or even move the furniture, as all the work takes place outside, the installer will organise everything required including:
You will not need to be present during the application of the EWI system, as all of the works are carried out to the external façade of the building and access to the inside of your property is not required.
Yes, EWI does not reduce the floor area of your home; it will renew and improve the appearance of outer walls, improves weatherproofing and sound resistance and increases the life of your walls by protecting the brickwork. The lower heating bills and increased comfort of an insulated property should also be appreciated by potential home buyers.
For a typical 3 bedroom semi-detached house, you could save around £475 a year in heating bills, and 1.9 tonnes in CO2 emissions per year.
The cost of having External Wall Insulation professionally installed onto your home is dependant upon the size and complexity of the property and type of insulation and finish required. A guide price for a typical three-bedroom semi-detached house will be in the region of £6,000 to £7,500.
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