Frost King Premium Aluminum & Vinyl Door Sweep (1-5/8 in x 36 in) Review (2026)
By Nate Sawyer, Editor · Updated July 2026
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- Drafty doors
- Air sealing
- Blocking under door drafts
A screw-on aluminum-and-vinyl door sweep that seals the under-door gap V-seal and foam tape cannot reach. Slotted holes let you adjust height for an uneven threshold, and the rigid aluminum carrier outlasts stick-on sweeps. The trade-offs: it needs drilling and screws, must be cut to width, and set too low it drags and wears the blade.
Pros
- Seals the under-door gap that V-seal and foam tape cannot reach, a top source of drafts
- Slotted screw holes let you adjust height for an even seal against an uneven threshold
- Rigid aluminum carrier is far more durable than stick-on foam or brush sweeps
Cons
- Requires drilling and screws, so it is a slower install than peel-and-stick options
- Must be cut to the exact door width with a hacksaw, adding a step for non-standard doors
- A too-low setting drags on the floor and wears the vinyl blade or scratches flooring
Specifications
| Type | Screw-on aluminum carrier with vinyl seal blade |
|---|---|
| Expansion | N/A (adjustable slotted mount) |
| Cure | None, mechanical fastening |
| Paintable | Aluminum can be painted; vinyl cannot |
| Use | Bottom gap between a door and its threshold |
Frequently Asked Questions
- Why use a door sweep when you already have weatherstripping?
- Because the under-door gap is a separate leak path and one of the biggest single sources of draft. V-seal and foam tape seal the jamb and head; neither can reach the bottom gap between the door and the threshold.
- Do you have to drill for this sweep?
- Yes. It is a screw-on aluminum carrier, which is slower than a peel-and-stick option but far more durable than stick-on foam or a brush sweep. The slotted holes let you adjust the height so the vinyl blade seals evenly against an uneven threshold.
- What goes wrong when installing a door sweep?
- Two things. It has to be cut to the exact door width with a hacksaw, which adds a step on non-standard doors. And setting it too low makes the blade drag on the floor — that wears the vinyl out quickly and can scratch flooring.