Solid stone or brick properties typically built before the 20th century where cavity wall insulation is understandably not an option you have a choice between external or internal wall insulation.
Solid brick wall internal insulation.
Insulating your solid walls could cut your heating costs considerably and make your home more comfortable.
Internal wall insulation is usually cheaper than external wall insulation substantially so if you do not have period coving.
But neither option is cheap so it could take some time to get your money back.
Cavity walls are made of two layers with a small gap or cavity between them.
Solid walls have no gap so they can t be filled with cavity wall insulation.
Internal wall insulation costs.
The cost of internal wall insulation is going to be around 40 50 per sq m december 2016 which is around half the cost of external wall insulation.
Internal wall insulation is usually cheaper than an external installation.
For solid walled homes i e.
This wall does not incorporate any formal vapour control layer vcl.
Internal partition wall insulation.
Internal solid wall insulation works by adding a thermal layer of material to the existing wall.
Roofs pitched roof insulation.
Rigid insulation boards are around 2 to 4 inches thick and made of plasterboard backed with insulation material usually foamed plastic.
The benefits and disadvantages of internal walls insulation.
Saint gobain insulation uk manufacture and supply glass mineral wool slabs and slabs along with rigid polyisocyanurate pir boards that can be considered suitable for a wide range of applications across solid masonry walls masonry cavity walls timber framed walls steel framed walls rainscreen cladding walls and prefabricated walls.
According to the energy saving trust the typical installation costs for a semi detached house in great britain are.
A range of high performance insulation products for a variety of walls including cavity cladding masonry and steel stud frame.
When it comes to insulating solid walls there are certain benefits over external wall insulation.
If you need to replace period coving the payback rises to about 12 years.
The price for professional work is about 50 per m2 which gives typically a 6 or 7 year payback.
Solid wall insulation may be suitable for a variety of property types such as brick stone steel framed and concrete construction.
Of the two internally insulated solid walls featured in this study the first was a 345mm brick wall at shrewsbury which was insulated with 40mm of woodfibre board and finished with 20mm of lime plaster.
Internal wall insulation.