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Frequently Asked Questions

Q. What is the difference between open cell foam and closed cell foam?
A. Both open cell and closed cell foam are great insulators. Both provide an excellent thermal barrier and air barrier. How they differ is that closed cell foam is waterproof and will not let water move through it. Open cell foam will allow water to move through it. In our area (the prairies), FOAMETIX only installs water resistant closed cell spray foam. In this climate of temperature extremes, cracked foundations and water leakage are common. Frost buildup and resulting moisture behind walls due to air leakage is a real concern. This scenario inevitably causes wet insulation, mould and rotten framing. FOAMETIX spray foam seals all air and does not support mold growth, thus solving this issue permanently.

Q.Would I still need to ventilate my attic if I insulated it with Foametix spray foam.
A. An attic can be insulated in order to seal it from the home, while keeping open venting to the outside. Alternatively, an attic can be opened to the home and closed to the outside, creating a conditioned attic and useable space. Please see the attic section on the services page for more details.

Q. Can spray foam insulation be installed in an existing home?
A. Yes, FOAMETIX spray foam is an excellent way to make your existing home more energy efficient. Some of the more popular areas to use spray foam insulation are basements, rim joists/band joists/joist ends, bathrooms and cantilevers.

Q. In new construction, at what point in the building process do you install spray foam insulation?
A. We would spray foam at the same time as traditional fibreglass insulation, after passing mechanical and framing inspections, and before hanging sheetrock. In most cases electrical work can be completed either before or after spray foam is applied.

Q. Is spray foam insulation better for sound attenuation than fiberglass insulation?
A. Yes. Spray foam has more density than fibreglass and its physical properties attenuate sound more effectively.

Q. Does spray foam insulation require a larger investment than traditional fiberglass insulation?
A. Yes, there is a larger investment, but we have found that most of our customers are paid back the difference over a 3 to 5 year period, through energy savings.

Q. Why does spray foam perform better than fiberglass?
A. Spray foam insulation's air sealing properties are the primary reason for its superiority over fibreglass. Fibreglass (and most other common insulation materials), no matter how well it is installed, does not provide an air barrier and allows air to move through it. This allows the two climates (inside, conditioned air and outside, unconditioned air) to combine and create condensation inside walls and building assemblies. Fibreglass insulation is also a magnet for dust, a respiratory and skin irritant and potential nesting material for rodents.

Q. What is R value and why cant spray foam insulation be directly compared to other insulation materials directly based on this number
A. Insulation types vary in terms of R value and performance. The R value measures the resistance of the material to the transference of heat, however, there are many factors that can reduce the R value of a material such as wind, cold and air pressure. Materials that cannot stop air have their R values reduced up to 60% when temperatures drop below freezing and winds start to blow. In addition to this, most other insulating materials (batt and blown for example) will settle and lose R value over time, or fall to a zero R value when wet.