Cavity Wall Foam Insulation Problems

Unless it is done properly rain.

Cavity wall foam insulation problems.

Problems with cavity wall insulation part 2 poorly fitted insulation. Until recently dampness problems caused by cavity wall insulation have not generally occured in houses where the insulation was built in from new although this is now changing and the first acounts of dampness caused by built in cavity batts are starting to come in. 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. Incorrectly installed cavity wall insulation causes water to seep into a property s walls causing structural problems and damp patches that may also manifest into mould.

Damp walls as one of the most well known problems with cavity wall insulation damp is an issue that no homeowner wants to see. Damp problems caused by cavity wall insulation. If left unaddressed long term it can lead to all manner of problems include mould and mildew. Modern retrofit cavity wall insulation methods should pose no threat to those living in the home but if your walls were insulated decades ago you may want to check what was used.

Bre warns of the problems installing cavity wall insulation in zone 4 because of the increased risk of rain penetration if a cavity is fully filled with insulation. Find out if your home s likely to be affected. Coincidentally this issue also tends to affect houses that have been retrofitted with blown. Similarly if your cavity walls were wrongly insulated this could cause you problems such as damp and poor air quality because of lack of air flow.

In some cases the damp and mould resulting from cwi can cause health problems or exacerbate existing conditions particularly respiratory conditions. Poorly fitted insulation when insulation isn t correctly fitted and you re left with gaps within the cavity where you. The damp problem when retrofit cavity wall insulation is installed into a property that is located or built in a way that means it should not have the cavities filled or if the work is undertaken incorrectly the first and most obvious sign of a problem is almost always internal dampness.