Last week, we discussed the importance of differentiating between one-component and two-component spray foam insulation. But there are a few other factors involved in its proper application.
All insulation has an R-value – a measurement of a material’s resistance to heat flow. Local building codes require different R-values for insulation depending on the climate zone. So it’s important to recognize your insulation’s R-value and the regional requirements.
Contractors should also use different tests to measure how effectively they installed the spray foam insulation. Blower door tests pull in air from outside the building and determine how well the cracks were sealed. Infrared testing provides a thermal image of a home, highlighting cold spots.
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