Industrial / Commercial - Building Restoration, Renewal, and Spray Polyurethane Foam Insulation Specialists
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Pella Roofing & Insulation is eastern Iowa's leading Polyurethane Foam Specialists. With over 1.5 million board feet of sprayed foam under our belts. You can feel safe knowing we have the nessasary tools and experience to do the job right.

Professionally applied application of spray in place polyrethane foam insulation requires special training, knowlege and equipment. Using our trained and skilled applicators will assure a thorough installation so that foam fills and seals all the nooks and crannies that lead to energy loss.

The solid seal vapor barrier and excellent insulating properties makes polyurethane foam the ideal residential, commercial and agricultural iInsulation.

Air Infiltration vs. R-value
Although R-value (R meaning the resistance to heat flow), is important, government studies estimate that as much as 40% of a building's energy loss is due to "Air Infiltration". Simply put, wind blowing through various wall and ceiling penetrations (including the nails that hold siding to a house) is the real cause of skyrocketing heating and cooling bills. Failure to stop the air flow into your home means that "new" air needs heating and cooling.

Polyurethane Foam insulation solves this problem by creating a solid seal when applied to walls and ceilings. Polyurethane Foam expands to seal cracks and holes around doors, windows and penetrations such as electrical and plumbing fixtures. This solid seal not only stops air infiltration but serves to control moisture condensation within cavities of a stud wall.

High Insulation Value
R-values, also play a major role when trying to insulate your house from outside temperatures. Polyurethane foam insulation has the highest R-value per thickness of any readily available insulation material used in residential construction. This high R-value means that 2" x 4" wall can actually outperform 2" x 6" wall. Using 3"of Polyurethane Foam will achieve a R-value of 20.85. This can be compared to 5" of fiberglass insulation which would only have a R-value of 18 in a 2" x 6" wall.

Not only does Polyurethane Foam have the highest R-value, it also stays where it is applied. Unlike fiberglass and blown in cellulose insulation, Polyurethane Foam is a solid product and will not sag or settle and cannot be pushed away from studs. Since it is solid, it does not offer a nesting habitat for animals and insects as fibered insulations do.

Wall Strength
Along with stopping air infiltration and having high R-values, Polyurethane foam also adds to the buildings structural strength. Tests conducted at the NAHB Research Center reported that Polyurethane Foam with T 1-11 siding and studs at 16" on center had greater racking strength than conventional T 1-11 siding panels with stud at 16" on center. They went on to say that housing built with foam filled wall cavities (3" minimum thickness) would likely not require conventionally braced construction.

Questions about any of our products? You can post them in our forums



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Tel: (319) 223-5137