Caulking might seem small, but it is very important in construction. It does more than just fill gaps – it helps protect buildings and make them last longer. On construction projects, caulking solves many common problems. It stops water from leaking in, which can damage walls and floors. It blocks air drafts, keeping buildings warmer in winter and cooler in summer. It seals cracks around windows, doors, and joints to save energy and reduce costs. Caulking also keeps out dust,