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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.

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Beginner About 60 minWhole home

Video: Lowe's Home Improvement (YouTube) — hand-picked by Xiane and matched to the written steps below.

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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)

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