Drafty Windows and Doors? Try These Easy Fixes

1. Lock Your Windows and Upgrade Weatherstripping

A quick and often overlooked trick to curtail pesky drafts is simply locking your windows. By locking them, you pull the sashes more tightly together, reducing the gaps where cold air can sneak in. You can boost this effect with the right kind of weatherstripping.

• Distribute Locking Force: If you have larger double-hung windows, opt for two separate locks near the outer edges rather than a single lock in the middle. This ensures a uniform seal.
• Apply Weatherstripping: For a tighter fit, carefully add a strip of adhesive-backed foam or V-strip along the top edge of the upper sash and along the sides if needed.
• Check Annually: Inspect weatherstripping for tears, compression, or peeling at least once a year. Replacing worn-out strips is a quick fix that pays off in lower heating bills.

2. Weatherproof Your Exterior Doors

A narrow 1/8-inch gap around an exterior door can let in nearly as much cold air as leaving a window partially open. Don’t underestimate how much heat loss can occur here.

• Add Door Sweeps: Attach a sweep or a draft blocker to the bottom edge of the door. This flexible piece—often rubber or brush material—helps close the gap between the threshold and the door.
• Use Weatherstripping Around the Frame: Place foam, felt, or rubber strips around the sides and top of the door. Compression weatherstripping is especially effective if your door has some wiggle room when closed.
• Adjust or Replace Thresholds: If you can see daylight under your door, it’s time to adjust the threshold height or upgrade it altogether.
• Consider a Storm Door: In particularly harsh climates, adding a storm door provides another layer of insulation and wind protection.

3. Reglaze Loose Windowpanes

Older windows with cracking or deteriorating glazing compound can be major entry points for icy air. If the glass feels loose or you notice missing chunks of putty, reglazing is a solid DIY or pro-level fix.

• Remove Old Glazing: Carefully chip out the brittle compound with a putty knife.
• Prep the Area: Fill any minor wood damage with epoxy, then wipe away dust or debris.
• Condition with Linseed Oil: A thin coat of boiled linseed oil on the wood can help the new glazing adhere properly.
• Apply Fresh Glaze: Roll the compound into thin ropes and press it evenly around the windowpane edges, smoothing it at a 45-degree angle with a putty knife.
• Dry and Paint: Give the compound adequate time (at least a week) to cure before painting.

4. Use Physical Barriers on Drafty Doors

For particularly stubborn drafts near exterior doors, physical barriers can offer extra comfort.

• Door Snakes: A fabric tube filled with sand or similar material is placed at the foot of the door to block cold air.
• Heavy Curtains or Quilts: For doors you don’t use frequently, consider draping a thick blanket or decorative curtain over the doorway for additional insulation.
• Foam Tape: If the gap is small, a thin line of foam tape around the frame edges can do wonders.

While these solutions are somewhat temporary, they’re cost-effective and easy to implement, making them perfect for quick fixes.

5. Layer Your Window Treatments

Curtains can effectively block drafts when properly positioned and selected. Pairing multiple treatments creates extra layers of insulation.

• Heavy Drapes: Thick curtains, especially those with thermal linings, can trap cold air near the window surface.
• Sheer Curtains: Using a sheer layer beneath your main drapes allows sunlight in without sacrificing privacy.
• Inside-Mounted Blinds: If installed close to the glass, blinds can reduce drafts.
• Cornices or Valances: A decorative cover at the top can help block warm air from escaping above the window.

By combining drapes, blinds, and even a valance, you form a buffer zone against the chill. Plus, on sunny winter days, you can open everything up to welcome free solar warmth.