Where weatherstripping helps most
- Exterior doors (especially the bottom gap)
- Windows with noticeable drafts
- Garage entry door (big leakage source)
- Attic hatch / access panels
Types of weatherstripping (quick comparison)
| Type | Best for | Pros | Cons |
|---|---|---|---|
| Foam tape | Small gaps on doors/windows | Cheap, easy DIY | Wears faster |
| Rubber/Vinyl | Doors with consistent gap | Durable, good seal | Needs correct sizing |
| Door sweep | Bottom of exterior doors | Huge impact, quick win | Can scrape on uneven floors |
| V-strip | Window sashes, door edges | Good for sliding action | Install accuracy matters |
DIY install plan (30 minutes)
- Find the leak: feel drafts by hand, especially on windy days.
- Measure gaps: choose material thickness that compresses slightly when closed.
- Clean surfaces: alcohol wipe improves adhesion.
- Install & test: door/window should close smoothly without forcing.
- Re-check after 24 hours: adhesive sets; adjust if rubbing.
Recommended weatherstripping categories
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- Door sweeps — usually the biggest “instant comfort” win for exterior doors.
- Foam tape (various thickness) — quick seal for small gaps.
- Rubber/Vinyl door seals — durable for consistent door gaps.
- V-strip for sliding surfaces — good for sashes and door edges.
- Adhesive remover + alcohol wipes — improves adhesion and longevity.
Pair this with thermostat optimization
Sealing drafts makes temperature hold better, so thermostat scheduling becomes more effective.
Next steps (internal links)
FAQ
Do I need to seal every window perfectly?
No—start with the worst offenders. Doors and the garage entry often produce the biggest comfort improvement.
How do I know it worked?
Drafts should reduce immediately. Over time, you should see less HVAC runtime and more stable indoor temperature.