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How to Replace Door Weatherstripping to Stop Drafts
Worn weatherstripping is one of the most overlooked energy wasters in a home. If you can see daylight around a closed exterior door, you're losing conditioned air — and in a Texas summer, that's money out the window. Replacing it takes about 30 minutes and costs under $20.
Types of Weatherstripping
V-strip (tension seal): a folded strip that fits in the door channel and springs open to seal gaps. Best for the sides of doors. Foam tape: self-adhesive, easy to install, but compresses and wears out faster. Door sweeps: attach to the bottom of the door to seal the gap at the threshold. Door shoes: a more durable bottom seal that replaces the entire bottom of the door.
Step 1: Remove the Old Weatherstripping
Peel or pry off the old weatherstripping. For adhesive-backed foam, use a plastic scraper and adhesive remover to clean the surface. For stapled or nailed V-strip, use a flathead screwdriver and needle-nose pliers. Clean the channel or surface thoroughly before installing new material — new weatherstripping won't adhere well to a dirty surface.
Step 2: Measure and Cut
Measure each side of the door frame separately — they're rarely identical. Cut weatherstripping to length with scissors (foam) or tin snips (V-strip). For the top of the door, cut the strip slightly long and compress it into place for a tight fit at the corners.
Step 3: Install and Test
Press adhesive-backed foam firmly into place. For V-strip, nail or staple every 6–8 inches. Install the door sweep last — adjust it so it drags lightly on the threshold when the door closes. Close the door and check for daylight. Run your hand around the perimeter on a windy day to feel for air movement.
Drafty doors are a quick fix. We replace weatherstripping and door sweeps across Red Oak and Ellis County. Call (214) 872-7785.
Call (214) 872-7785