Iowa Spray Foam Insulation: A Building-Science Guide to Warmer Winters & Cooler Summers

If you live anywhere from Des Moines and West Des Moines to Cedar Rapids, Iowa City, Ames, Waterloo, Davenport, or Sioux City, you know the routine: summer turns your attic into an oven, winter sends drafts crawling along your floors, and metal buildings sweat when temperatures swing. Iowa’s mixed-humid/continental climate (zones 5–6) punishes leaky, under-insulated […]