| Background Prairie Foam Insulators were asked to solve a severe condensation problem in a building that contained both refrigerated and normally conditioned space Challenge The new refrigerated seed corn storage facility had condensation problems as soon as the weather warmed in the spring. The warm moist spring air infiltrated through the wall/roof juncture and passed through the R-38 fiberglass batts and condensed on the upper surface of the ceiling liner panel. Every day the condensate drip lines extended further across the floor away from the perimeter as the water built up on the top of the steel roof underside liner panels and dripped through the liner panel junctures. There were also problems associated with the insulated wall that separated the seed cooler from the rest of the building. The cold air from the cooler was leaking through the fibrous material in the dividing wall, causing the wall surface in the regular space to become very cold. Warm moist air was then condensing on this cold wall surface, producing moisture, and contributing to the growth of mold. Solution/Results The perimeter steel roof underside liner panel and the R-38 water-soaked fiberglass was removed to allow the installation of Icynene®. The condensate was created when relatively warm moist air entered gaps at the wall/roof underside juncture and passed through the fiberglass batts and then condensed on the relatively cold steel liner panel. |
As an effective air barrier and conductive insulation all in one, Icynene® was able to quickly and effectively solve the condensation problem. | |
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