When we went undercover to investigate the quality of insulation suitability inspections in 2011 our findings suggested that you can t always rely on assessors to carry out thorough inspections or warn of potential damp problems even those from big brands such as marks spencer npower and tesco.
Cavity wall insulation polystyrene beads problems.
The next of the cavity wall insulation problems i m going to cover is.
Problems are therefore extremely rare but if they do occur ciga has the expertise to ensure that they are swiftly rectified.
There are two other materials commonly used for cavity wall insulation bonded polystyrene beads and foam.
The polystyrene used for cwi is in the form of virgin pre formed bead which is usually combined with a.
Experts now claim that while the cavity wall insulation was incorrectly fitted in some cases it was unsuitable in other properties and should never have been offered at all.
If properly installed these materials should theoretically be superior to mineral wool fibre as they are inherently waterproof.
Cavity wall insulation can cause damp.
Eps expanded polystyrene beads and polyurethane foam are the most commonly used these days and with good reason.
If you re installing cavity wall insulation it s worth opting for a modern insulating material with proven performance.
Independent research has confirmed that cavity wall insulation is a very reliable process.
In 2015 thermal imaging company irt surveyed 250 000 properties with cavity wall insulation and found problems in half the homes.
Neither material is used as widely as mineral wool fibre because of cost.