A tiny gap in your door is like a massive hole in your wall
In short: Learn how to seal a drafty wood door to significantly improve your home's energy efficiency. This guide explains the physics of air leaks and the specific materials needed to stop them.
A mere 1/8-inch gap around a standard entryway door can have the same impact on energy loss as a 5.5-inch-diameter hole in an exterior wall. By installing weatherstripping to fill these gaps, homeowners can maintain interior temperatures and lower utility bills during both winter and summer.
The process involves using mechanical weatherstripping for the door opening and flexible, push-in strips for the head and side jambs. Key tools include a router for cutting grooves into the door's bottom end, a hammer for hinge pin replacement, and a paintbrush for applying tung oil to seal the routed areas.
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Sources
- Summary by Intellect · source: How to Weatherstrip a Wood Door | This Old House
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