No-drill fixes • Updated Jan 12, 2026 • 14 min read
Drafty windows: 7 reversible fixes (no drilling)
Drafts usually come from tiny gaps around the sash, frame, or latch. These fixes are designed for rentals: no drilling and easy removal.
At a glance: Start by finding the exact leak path, then pick the least “sticky” fix that solves it. In rentals, removal matters as much as performance.
Important: These guides focus on low-risk, reversible steps. If your lease forbids a modification (or the task involves gas/electrical/structural work), stop and contact maintenance.
Tools & supplies
- Tissue (airflow detection)
- Painter’s tape (mark leaks)
- Microfiber cloth (clean surfaces before applying tape/foam)
- Scissors or utility knife (for cutting strips)
- Optional: hairdryer (helps remove adhesive cleanly later)
Before you start: find the leak
- On a windy day, hold a tissue near edges to spot airflow.
- Use painter's tape to mark the exact gap locations.
- If you see condensation between double panes, that's a failed seal—report it to maintenance.
Quick diagnosis (what kind of draft is it?)
| Draft location | Often means | Best first fix |
|---|---|---|
| Along the sides where the sash slides | Worn weatherstripping | V-seal / foam strip |
| Bottom sill | Gap at sill | Draft stopper / rope caulk (seasonal) |
| Latch area | Poor seal at lock | Foam strip near latch |
| Cold outlet near window | Air leak around box | Outlet gasket (low-risk) |
7 renter-friendly fixes
| Fix | Best for | Removal note |
|---|---|---|
| Adhesive foam weatherstripping | Frame gaps | Choose "removable" adhesive; warm with hairdryer to peel |
| V-seal (tension seal) | Sliding edges | Peels off; wipe residue with mild cleaner |
| Door/window draft stopper (fabric) | Sill gaps | No adhesive; easiest option |
| Clear shrink film kit | Old leaky windows | Removable tape; go slow to avoid paint lift |
| Thermal curtains + sealed top | Large cold surfaces | Use tension rods; no holes |
| Outlet gaskets (near windows) | Cold outlets | Low-risk; turn power off if required |
| Rope caulk (temporary) | Seasonal sealing | Peels off cleanly; don't use on porous unsealed wood |
How to apply (quick best practices)
- Clean first: adhesive sticks poorly to dusty/greasy frames.
- Test a small piece: some paint lifts easily—better to find out in a hidden spot.
- Don’t over-thicken: too much foam can prevent the window from closing fully.
Choosing the right fix (quick guide)
- If you rent and want the safest option: draft stoppers + curtains (no adhesive).
- If the gap is small and consistent: V-seal or thin foam weatherstripping.
- If the window is old and leaky everywhere: shrink film kits often give the biggest improvement per dollar.
- If the leak is at the latch: focus foam near the latch so the sash closes tighter.
Removal tips (so you don’t lift paint)
- Go slow: fast pulling is what lifts paint.
- Use warmth: a hairdryer softens adhesive for cleaner removal.
- Clean residue gently: warm soapy water first; patch test anything stronger.
What to avoid in rentals
- Permanent caulk unless your lease explicitly allows it.
- Spray foam around windows (messy, permanent, can damage frames).
- Super-strong adhesives that tear paint on removal.
Stop signs (call maintenance)
- Condensation between panes (failed seal).
- Window won’t latch or feels unsafe (security/egress issue).
- Rotten wood, soft framing, or water intrusion.
Move-out cleanup
Take photos before and after. Remove adhesives slowly. For residue, try warm soapy water first, then a small patch test with a gentle adhesive remover.
Maintenance request template (copy/paste)
Subject: Drafty window / poor seal in [room]
Hi [Landlord/Maintenance], the [room] window has noticeable drafts around the [sides/bottom/latch] area. I’ve marked the leak points and can share photos/video (tissue test). Could you please inspect the weatherstripping/seal and repair as needed? Thank you.
FAQ
- Do draft fixes help with mold? Indirectly, yes—reducing cold surfaces can reduce condensation (see mold prevention).
- Are shrink film kits safe? Usually, but removal tape can lift paint. Patch test and remove slowly with warmth.
- What’s the least risky option? Draft stoppers and curtains (no adhesive) are the safest for deposits.