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Building Science

Enter to receive 25% off your job! We will deduct 25% off the first $5000 of your job (minimum of $1000 job estimate) for visiting us at the Lethbridge Home & Garden Tradeshow. Offer is valid until March 30, 2015. Please take some time to look through our site. We offer lots of information and videos all about Spray Foam Insulation. We would love to come give you a free quote. Thanks for coming to see us at the tradeshow.



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FAQs for Home Owners

How does spray foam work?
Can closed cell foam resist flood water and seal the basement?
Won't sealing my building with spray foam insulation lead to indoor air quality problems?
When can spray foam be installed?
At what point in the construction should spray polyurethane insulation be applied?
Can a building owner apply spray polyurethane insulation?
Can a homeowner rent the equipment and install spray polyurethane foam himself?
 

Q. How does spray foam work?
A. A two-part mixture is applied by trained professionals to the surface to be insulated. The spray mixture expands rapidly to fill all cracks and voids, completely and permanently adhering to wood, masonry, metal, concrete, and most other construction materials.


Q. Can closed cell foam resist flood water and seal the basement?
A. Closed-cell spray polyurethane foam (SPF) is an excellent option for you. Closed-cell SPF is listed as a Class 5 Flood Damage-Resistant Material per FEMA. This means it is "Highly resistant to floodwater damage, including damage caused by moving water. These materials can survive wetting and drying and may be successfully cleaned after a flood to render them free of most harmful pollutants." It is the only insulation material that meets this classification. You can read all about it in the FEMA Technical Bulletin 2. It would be an excellent idea to install closed-cell SPF into your basement walls the next time you have to open them up.

Q. Won't sealing my building with spray foam insulation lead to indoor air quality problems?
A. Your building does need to be ventilated in order to maximize indoor air quality (moisture levels and contaminant levels). Most design professionals will advise you to seal the structure as tight as possible and provide the necessary ventilation through the heating and air conditioning system. Many systems employ a highly energy efficient "air exchanger" which is designed to pre-condition (either warm or cool) the incoming outside air with the outgoing exhaust air. In this manner, you can build an extremely energy efficient exterior shell using high performance spray polyurethane foam while still providing controlled and energy efficient ventilation.

Q. When can spray foam be installed?
A. Spray foam insulation is professionally installed at the same point in the construction cycle as other types of insulation. That is, using traditional building techniques, spray foam should be installed after the rough plumbing, electrical wiring, and heating and air conditioning ducts have been installed, but before the interior walls are completed in new construction. In some cases spray foam also can be applied in older buildings or structures, to the inside of roofs and under floors after construction has been completed.

Q. At what point in the construction should spray polyurethane insulation be applied?
A. Normally spray polyurethane insulation is installed at the same point in the construction cycle as other types of insulation. That is, it should be installed after the rough plumbing, electrical wiring, and heating and air conditioning ducts have been installed. If you decide to seal the entire exterior shell with spray polyurethane, spray insulation may need to be applied in some areas before the ductwork is installed.

Q. Can a building owner apply spray foam insulation?
A. Not practically. Spray foam application requires complex equipment and a skilled installer with training in the safe and proper installation of the polyurethane system.

Q. Can a homeowner rent the equipment and install spray polyurethane foam himself?
A. Unfortunately for you DIYers, spray polyurethane foam (SPF) equipment is not for rent. Installation of SPF needs to be done by a well-trained installer. It's not as easy as it looks. There are some small kits on the market, but they are made for very small projects like sealing joints and cracks.

 

topics: Home Owners, Education, Installation

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We were living in our 2 car garage while building our 3200 sq ft house with Icynene. We are now living in our home and using the same amount of fuel to heat and cool the house as we were using in the garage.
Gary & Donna,