How to Insulate Around Windows and Doors With Weatherstripping

To insulate around windows and doors, start by locating drafts at frames, sills, joints, and thresholds, then distinguish drafts from solidly insulated areas. Measure gaps accurately with a credit card or ruler, so you choose the right weatherstripping—narrow gaps suit adhesive-backed foam, wider or irregular gaps benefit vinyl or tubular seals, and door sweeps handle…







