Insulation slows heat moving through your walls, attic, and floors, while air sealing stops heated air from physically escaping through gaps and cracks. They solve two different problems, so a home with plenty of insulation can still feel drafty, and a well-sealed home with thin insulation can still lose a lot of heat. Iowa homes need both, and spray foam is one of the few materials that does both jobs at once. Think of it like winter clothing. A thick wool sweater is great i

The clearest signs your home is losing heat are rooms that never warm up, drafts you can feel near outlets and baseboards, a furnace that runs almost nonstop, and a heating bill that jumps more than the weather explains. In Iowa, frost that melts unevenly on the roof and icicles along the eaves are two more giveaways. Most of these trace back to air leaks and thin insulation in the attic, rim joists, and walls. October is the right time to look. The furnace is just starting t