Cavity Wall Foam Insulation Problems

Find out if your home s likely to be affected.

Cavity wall foam insulation problems.

Damp problems caused by cavity wall 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. Wall ties are little strips of metal which tie the inner and outer leafs of the cavity wall.

Damp walls as one of the most well known problems with cavity wall insulation damp is an issue that no homeowner wants to see. 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. Poorly fitted insulation when insulation isn t correctly fitted and you re left with gaps within the cavity where you. 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.

Cavity wall insulation can cause damp. If left unaddressed long term it can lead to all manner of problems include mould and mildew. Unless it is done properly rain. In some cases the damp and mould resulting from cwi can cause health problems or exacerbate existing conditions particularly respiratory conditions.

Understanding cavity wall insulation problems damp penetration the most common problems with cavity wall insulation tend to be related to moisture penetration. 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. 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.