Internal Wall Insulation is a great option in solid wall properties where external insulation is not practical. For example, with listed buildings and conservation areas where you wish to preserve the look of the building. Or where access restricts external work and in flats, where internal insulation is the only solution.
How does Internal Wall Insulation work?
There are a couple of methods to insulate a solid wall internally. Each will decrease the floor space of a room (as per the thickness of the insulation board or stud wall you use). We recommend you get a professional in to complete this type of work, and you do not undertake it as DIY unless you are very experienced.
An alternative to conventional internal wall insulation is using insulating wallpaper like Wallrock Thermal Liner. At only 4mm this gives you some of the benefits of internal solid wall insulation, but has a far smaller impact on the size of your room. It doesn’t have the same insulating properties as proper internal wall insulation, but it does work out as a much cheaper option.
Design and Installation
Insulating an existing wall changes the heat and moisture patterns in the wall. So it is vital to carry out condensation risk analysis before undertaking any work on site. To minimise the risk of condensation, the joints between Quinn Therm QW boards should be taped with metalised tape to form an AVCL. This will prevent moisture from the building interior condensing on the cold side of the insulation.
Why Choose Internal Insulation?
The benefits of Internal Wall Insulation include:
– No problems with changes to the exterior of your home
– No planning permission required
– Convenient to install if already refurbishing the interior of your home
– Suitable for flats and apartments where the exterior cannot be changed
Is all Internal Wall Insulation the same?
No, there are different types of internal insulation. Bonded composite insulation boards are fitted and bonded to your wall in sections. Composite insulation boards take up less floor space, and are generally thinner than framed dry lining systems. These are great when space is at a premium. Foil Quilt Insulation Also called Super Quilt, was designed by NASA for the space programme, and is used in lofts and on wall framed systems.
What problems are there with Internal Wall Insulation?
– Internal wall insulation does not solve problems with condensation
– It can actually cause condensation and mould to form between the brickwork and the insulation panels if not properly ventilated
– Internal insulation does reduce the internal space of your rooms
– External surfaces of your home will still need work to reduce water ingress into your home
– Does not provide any added protection from weather or temperature change
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