PreparedStates

Best door draft stoppers and weatherstripping (2026)

CDC's winter home list says to "Caulk and weather-strip doors and windows," and the Department of Energy calls caulking and weatherstripping "two simple and effective air-sealing techniques that offer quick returns on investment." This page compares the cheap fixes for a drafty door sold in the US: sweeps for the gap at the bottom, draft guards that slide under, and foam or rubber seals for the frame.

By Tom Calder · Updated November 1, 2026

Our picks

Our top pick 4.1

Frost King rubber sweep

Screw-on door sweep · 36 in door width, 2 in deep (maker) · Aluminum + reinforced rubber (maker) · Screws, drill 1/8 in holes (maker)

A standard entry door with a gap you can measure

Researched
Runner-up 4.0

M-D U-shape seal

U-shape screw-on door bottom · 36 in; seals gaps to 3/4 in (maker) · Aluminum + vinyl insert (maker) · Screws included; cut with hacksaw

A standard exterior door that also needs a kick plate

Researched
Also good 3.9

M-D Cinch sweep

Self-adhesive door sweep · 36 in; seals gaps to 1 in (maker) · Aluminum + triple-fin vinyl (maker) · 3M adhesive, no hardware (maker)

A door where you would rather peel and stick than drill

Researched

All 6 compared

Screw-on door sweep · 36 in door width, 2 in deep (maker) · Aluminum + reinforced rubber (maker) · Screws, drill 1/8 in holes (maker)

A standard entry door with a gap you can measure

4.1
Our verdict
Our verdictResearched

A screw-on aluminum sweep with a reinforced rubber edge that Frost King guarantees to keep sealing. It fits a 36 in door and goes on the inside of in-swinging doors. You need to check the sweep clears the threshold.

Best for A standard entry door with a gap you can measure

Good
  • Rubber edge with a lifetime guarantee on sealing (maker)
  • Metal strip is rigid
Worth knowing
  • Needs drilling and trimming
  • Must not rub the threshold

Who shouldn't buy it: Don't buy it if you would rather stick something on than drill into your door.

U-shape screw-on door bottom · 36 in; seals gaps to 3/4 in (maker) · Aluminum + vinyl insert (maker) · Screws included; cut with hacksaw

A standard exterior door that also needs a kick plate

4.0
Our verdict
Our verdictResearched

A U-shaped aluminum cap that wraps the bottom of the door and holds a vinyl seal, with a kick plate on the sides. M-D says it seals gaps up to 3/4 in and fits a standard 1-3/4 in exterior door. It must be cut to length before installing, and it is meant for a door that is 1-3/4 in thick.

Best for A standard exterior door that also needs a kick plate

Good
  • Seals a larger gap (up to 3/4 in, maker)
  • Hardware included and slotted holes for adjusting
  • UL fire-rated for fire doors (maker)
Worth knowing
  • Needs a hacksaw and drilling
  • Only fits 1-3/4 in thick doors

Who shouldn't buy it: Don't buy it if your door is thinner or thicker than 1-3/4 in.

Self-adhesive door sweep · 36 in; seals gaps to 1 in (maker) · Aluminum + triple-fin vinyl (maker) · 3M adhesive, no hardware (maker)

A door where you would rather peel and stick than drill

3.9
Our verdict
Our verdictResearched

A 36 in aluminum strip with a triple-fin vinyl seal that sticks on with 3M adhesive, no screws. M-D says it handles gaps up to 1 in and cuts to length with a hacksaw and scissors. Adhesive holds best on a clean, flat door bottom; how it lasts on a much-used door is unknown.

Best for A door where you would rather peel and stick than drill

Good
  • No drilling (maker)
  • Triple-fin seal for gaps up to 1 in (maker)
  • Black finish
Worth knowing
  • Adhesive, not screws, so it may loosen on a heavily used door
  • Needs a hacksaw to trim

Who shouldn't buy it: Don't buy it if the door bottom is rough or sticky-resistant and you want a screwed-on seal.

Screw-on door sweep · 36 in door width, 1-5/8 in (listing) · Aluminum + vinyl (listing) · Screws; inside of in-swing doors (maker)

A budget screw-on sweep for an ordinary 36 in door

3.8
Our verdict
Our verdictResearched

A basic aluminum strip with a vinyl sweep, 36 in long, in brown. It screws on and Frost King says to mount it inside in-swinging doors without letting it catch on the threshold. It is a simpler, thinner option than the rubber-edged sweep.

Best for A budget screw-on sweep for an ordinary 36 in door

Good
  • Inexpensive
  • Rigid aluminum mounting strip
Worth knowing
  • Needs drilling and trimming
  • Vinyl edge is plainer than rubber

Who shouldn't buy it: Don't buy it if you want a tall seal or a no-drill fix.

Self-stick foam weatherstrip tape · 17 ft roll, 1/4 in thick (listing) · Polyurethane foam (maker) · Peel and stick; clean surface first

Door jambs and window sills with small, uneven gaps

3.7
Our verdict
Our verdictResearched

Cheap self-stick polyurethane foam for the edges of doors and windows. Frost King says it squeezes down to a tenth of its thickness to fill narrow gaps, but it is for indoor use and not where it will get wet. Foam wears out faster than rubber or metal.

Best for Door jambs and window sills with small, uneven gaps

Good
  • Very cheap
  • Fills uneven narrow gaps (maker)
  • No tools
Worth knowing
  • Interior use only, keep it dry (maker)
  • Foam wears out sooner than rubber

Who shouldn't buy it: Don't buy it if the gap is at the bottom of a door that scrapes the floor, or the spot gets wet.

Twin foam draft guard, no tools · 34 in wide, slides on the door (listing) · Foam tubes (listing) · Slide on; hook-and-loop holds it (listing)

Renters who cannot drill or stick anything on the door

3.6
Our verdict
Our verdictResearched

A pair of foam tubes that slide over the bottom of the door, one each side, with no screws or glue. Holikme's own listings give a size range and say it is not for tall thresholds, so measure your gap. It can add some drag when the door swings.

Best for Renters who cannot drill or stick anything on the door

Good
  • No tools or adhesive, so renter-friendly
  • Blocks both sides of the gap
Worth knowing
  • Adds drag to the door (reviewers, listing)
  • Foam is not suited to thresholds above about 0.3 in (listing)

Who shouldn't buy it: Don't buy it if your door has a raised threshold or you need a permanent seal.

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The honest bit
Find the leak before you buy. On a windy day, hold the back of your hand around the door and frame: a gap under the door needs a sweep or a draft guard, light around the frame needs weatherstrip. The DOE notes the worst culprits are usually not windows and doors but gaps around pipes, chimneys and recessed lights. If your home has fuel-burning heat, sealing it tighter makes working CO alarms even more important.

Before you buy

Under the door.

A screw-on or adhesive sweep closes the gap for good; a slide-on draft guard fits most doors with no tools and moves with the door. A loose fabric draft snake is the cheapest, but you have to put it back each time.

Around the frame.

Foam tape is cheap and easy but compresses over time; rubber or silicone profiles last longer. Measure the gap: too thick and the door won't close.

Clean before sticking.

Adhesive seals need a clean, dry surface, and many need warmer temperatures to stick, so fit them before the deep cold.

Know the difference.

The DOE says caulk is generally used for cracks between stationary parts, and weatherstripping to seal parts that move, such as doors and operable windows.

How we choose

We verify every product's specifications against at least two independent sources, re-check its US price and stock on a schedule where we can track it automatically, and cross-check safety-relevant claims against official guidance. Every review is labeled Researched or Used and reviewed by us: where we've bought a product, or been sent it free, and used it ourselves, its review says which; where we haven't, our verdict is a considered spec-and-evidence comparison, not a hands-on test. When two products are close, commission can decide which one we pick. A clearly better product always wins. Read our full methodology →

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Common questions

Do door draft stoppers work?

They close the gap at the bottom of a door, which is often where most of a door's draft comes in. A fitted sweep or a slide-on guard seals better than a loose fabric snake.

What's the best weatherstripping for a front door?

Rubber or silicone seals in the frame last longer than foam tape, and a sweep or door shoe closes the gap underneath. Measure the gap first so the door still latches.

Is caulk or weatherstripping better?

Both. The DOE says caulk is generally used for gaps between stationary parts, like around door and window frames, and weatherstripping for parts that move, like doors and operable windows.

Is it safe to seal up my house?

Yes, but if you have a furnace, water heater, fireplace or other fuel-burning appliance, keep its vents clear, have it checked each year, and keep CO alarms working on every level. The DOE says air sealing and ventilation go hand in hand.