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 Rated 4.87/5 (2,422 Reviews)

Klyros™ Nano Draft Seal

Klyros™ Nano Draft Seal

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Klyros™ Nano Draft Seal

Klyros™ Nano Draft Seal

Regular price $29.99
Regular price $29.99 Sale price $49.99
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"Was scared it would look ugly on my white door but it’s basically invisible and blocks the air way better than I expected."

Sandra V.
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How does it work?

Klyros Seal blocks drafts by filling the open gap between your door or window and the frame. The silicone flap presses lightly against the surface when the door or window closes, creating a tight barrier that stops outside air from flowing into your home. The adhesive strip locks the seal in place so the flap stays pressed and flexible, keeping warm air inside and cold air out every time the door swings shut.

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Does it actually work?

Yes it genuinely works when applied correctly. The flexible silicone flap closes the gap between your door or window and the frame, stopping cold air from slipping through. Most customers feel a noticeable difference in room temperature within the first few hours because drafts get sealed immediately.

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How many windows does one box cover?

One box gives you 28 feet of seal, which is enough for about four standard windows. Most windows take around 6 to 7 feet to fully outline the frame, so a single box comfortably covers multiple windows with some extra left over. If you want to seal your doors as well, or have larger windows, grabbing two boxes is the safer move.

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Seals Out Drafts And Locks In Warmth..

Klyros Nano Draft Seal fills door and window gaps so cold air stays out and warm air stays inside. It instantly improves room temperature and comfort even in older homes with crooked gaps. You feel the difference within hours of installing it.

Strong Adhesion That Stays Put Without Damage

The nano adhesive sticks firmly to wood, metal, glass and plastic so the seal won’t peel off during cold or moisture. At the same time it removes clean, leaving no ripped paint or residue when you take it off. Ideal for renters and anyone who wants reliable grip without ruining surfaces.

Flexible Silicone That Fits Any Gap!

The premium nano silicone flap bends and molds to uneven doors and windows where other seals fail. It covers wide or narrow gaps without looking bulky and stays flexible all winter. Three long rolls give more than enough coverage for multiple doors and windows.

Hear what our customers have to say. about it.

  • "Saved me my heating bill.."

    "Our back door was letting in cold air like crazy and I was tired of freezing my toes off. Put this seal on and within a couple hours the whole hallway felt warmer and way less drafty. Honestly didn’t expect it to work this well for something so simple."

    Linda P

  • “Way better than I expected”

    “My old house has this stupid crooked gap that nothing ever sticks to, so I wasn’t expecting much. I slapped this on in a few minutes and it sealed that weird angle perfectly and hasn’t moved since. Big difference in how warm the kitchen stays now.”

    Mark D

  • “Looks clean and actually works”

    “I thought clear tape on my white door would look ugly but you barely even see it unless you look for it. The room legit feels warmer and the cold breeze is completely gone. Super easy install and honestly kind of a game changer.”

    Emily R