Urea Formaldehyde Foam Insulation (UFFI) Investigations
- Urea Formaldehyde Foam Insulation (UFFI) Investigations
Urea formaldehyde foam insulation is used in existing houses by injecting the foam into areas such as behind walls where conventional insulation cannot be provided. It has a good R vale (thermal resistance). Formaldehyde insulation was extensively used in the 1970’s. The problem with formaldehyde is that some formaldehyde gas is released during the on-site mixing and curing. If properly installed UFFI might not have resulted in problems. However, sometimes improperly installed or used in areas where it should not have been used. After receiving extensive complaints especially from people living in small, well-sealed homes Canadian authorities became concerned about the negative health impacts of UFFI and in December 1980 the insulation was banned.
Since 1993, a UFFI declaration has not been required for mortgage insurance under the National Housing Act. However, a UFFI declaration may still be requested as part of a real estate listing or an agreement of purchase and sale. Even though UFFI should not be a cause for concern, you may, depending on where you live in Canada, be asked to declare whether or not it is in your home.
Some home inspectors will have the training or experience to identify UFFI. You can make a physical check of the home yourself. Look for a series of small patched holes, 1.2 to 2 cm (1/2 to 3/4 in.) across, at regular intervals on exterior or interior walls. Foam may be obvious where floor joists meet the exterior walls of the basement or around electrical outlets or switch plates. These indicators do not necessarily mean that UFFI is present, but they may alert you to the possibility. Call us at: 1-855-291-4663 for a free consultation.