The attic is the biggest source of heat loss in most houses, and it’s usually the easiest place to fix. ENERGY STAR’s 2025 insulation factsheet reports that 9 out of 10 US homes remain under-insulated,…

Two numbers decide this. The R-value your climate zone calls for, and the R-value already sitting on your attic floor. The gap between them is what you buy. The Department of Energy sets that target…

Fresh overspray wipes off. Cured foam does not. That one difference decides whether you’re looking at a ten minute cleanup or a demolition job with respirators and containment sheeting. Once polyurethane has finished reacting, it…

The safety question about cellulose insulation usually gets answered with a shrug and something vague about recycled paper. The actual answer sits in the mineral treatment mixed into that paper, and in whether what ended…

Before anything else, you need to know where the mice actually are. A mouse crossing the attic floor at night is one situation. A mouse that has burrowed down into the fiberglass batt or the…