Spray foam insulation vs fiberglass:
Fiberglass insulation is one of the most commonly used insulation according to the US department of energy. However it doesn´t stop air leakage. Air leakage accounts for as much as 40% of energi use for heating and cooling. Tests conducted at Oak Ridge National Laboratory found fiberglass batting to have an
R-value that was typacally 28% less than what the manufacturer claimed. In addition when exposed to a real world enviroment, the effective R-value diminishes by more than 50%.
A house insulated with fiberglass has around 50-60% of all air in the house exchanged every hour, which costs money.
Applications that demand truely effective insulation use foam, for example space shuttles, refridgerators and freezers. Refridgerators insulated with only 1.5" of foam use 40% less energy than those with 3" of fiberglass.
Closed cell insulation spray foam:
Our research have shown that a nominal thickness of 3 inches of Lapolla FL2000 will perform as well or better than R-60 blown in insulations. High-density closed cell spray foam insulation can reinforce exterior walls when sprayed in stud cavities. Closed cell adheres to both the exterior sheating and wall studs to enhance the overall structual integrity of a wall assembly. With the installation of spray foam, an exterior wall becomes more rigid and thereby more resistant to compression and shearing, and so it can be said to have a greater rackin strenght than a typical wall assembly. Research conducted by the National Association of Home Builders (NAHB) has shown walls installed with closed cell spray foam have a racking strenght up to 300% greater than walls without it. Closed cell spray foam insulation is waterproof and the only flood resistant insulation according to FEMA list.
The installation of spray foam is a highly technical and sensitive process, the foam is literally being manufactured on site. Regardless of which type of foam you choose the training and skill of the applicator means everything. A untrained applicator will result in a unsatisfactory job leaving behind gaps, messy overspray, and voids leading to decrease efficiency and performance. When you choose Kelly Trades you will receive skilled and trained applicators and knowledge to answer any of your questions and design a system that is right for you.
Centralia, Missouri, USA
We are located in Centralia, Missouri, USA.
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