Seasonal
Seal drafty windows and doors
Weatherstripping and a tube of caulk are the cheapest energy upgrade in the house, and both are genuinely beginner work.
Beginner About 60 minWhole home
Video: Lowe's Home Improvement (YouTube) — hand-picked by Xiane and matched to the written steps below.
Steps
Tools
- Caulk gun
- Scraper
- Utility knife
Parts
- Exterior caulk
- Weatherstripping
- Door sweep
Published February 10, 2026 · Last reviewed September 1, 2026 · Next review March 1, 2027 · Source: Video: Lowe's Home Improvement (YouTube)