KEEPING THE COLD OUT: MY STEP-BY-STEP FOR DRAFT-PROOFING DOORS

aspenskater · 2026-03-28T19:19:36Z

Here’s how I tackled making my old back door less of a wind tunnel last winter. I’m not claiming it’s the “pro” way, but it made a noticeable difference in my heating bill, so maybe it’ll help someone else. First thing I did was check for drafts with that classic candle trick (hold a lit candle near the edges and see if the flame dances). My door was leaking air all around the frame and especially at the bottom—no surprise there. Next up, I grabbed some weatherstripping from the hardware store. There’s like a million types, but I went with the foam tape because it was cheap and honestly, I didn’t want to mess with anything complicated. Peeled and stuck it around the inside edge of the door frame. For the bottom, I used one of those door sweeps you screw in (the adhesive ones always peel off for me after a month or two). After that, I tightened the hinges a bit since the door was sagging and wasn’t closing flush. Didn’t realize how much that mattered until I did it—definitely helped the seal. Last step: I put a draft stopper (just an old rolled-up towel, honestly) along the bottom when it got really cold at night. Not high-tech, but it works. I’m sure there are fancier options out there—like those insulated core doors or whatever—but this was all stuff I could do with basic tools and about $20. Anyone have better tricks, or maybe a way to make it look less like I’m barricading myself in for a zombie apocalypse?

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Posts: 8

gardening860

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Some of the ones that come standard are basically useless.

Yeah, I noticed that too. The sweep on our back door looked fine but still let in a chilly breeze. Swapped it for one with a thicker rubber and it made a surprising difference. Has anyone tried those magnetic weatherstrips? Curious if they’re actually worth it or just another gimmick.

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ryanghost650

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KEEPING THE COLD OUT: MY STEP-BY-STEP FOR DRAFT-PROOFING DOORS

Has anyone tried those magnetic weatherstrips? Curious if they’re actually worth it or just another gimmick.

Tried the magnetic strips last winter after being skeptical myself. They’re not a miracle fix, but on my double doors, they actually helped seal the gap where the two doors meet. Here’s what worked for me: first, I cleaned the frame with rubbing alcohol (makes a big difference for adhesion), then lined up the strips carefully so they’d “snap” together when closed. Not as invisible as I’d hoped, but definitely cut down on the draft. Sometimes the simplest upgrades make a space feel so much cozier...

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zlewis90

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KEEPING THE COLD OUT: MY STEP-BY-STEP FOR DRAFT-PROOFING DOORS

Magnetic strips are decent, but I’ve found they work best on newer doors with a pretty straight edge. On older frames that aren’t quite square, they can be a pain—sometimes you end up fighting with the magnets more than the draft. I still prefer the classic foam tape for tricky spots, but hey, whatever keeps the toes warm...

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jtrekker68

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Magnetic strips are decent, but I’ve found they work best on newer doors with a pretty straight edge.

That’s been my experience too. On some older houses, nothing seems to fit quite right. Have you tried those silicone door sweeps? Curious if they’re any better for uneven gaps at the bottom.

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lucky_allen

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I actually tried one of those silicone sweeps last winter—picked up a cheap one online. It did help with the draft, but I had to trim it a bunch to fit my old, uneven door. Still left a little gap on one side. Has anyone messed around with those double-sided draft stoppers, the ones that slide under the door? Wondering if they’re any less finicky for weird gaps...