Door Sweeps/ Door Bottoms/ Door Thresholds
Frost King provides three kinds of weather sealing products to keep your doors draft-free, your home more comfortable and your energy bills under control.
Door Sweeps (also called Door Bottoms) are the quickest and easiest to install. Sweeps are attached to the bottom of entry doors or doors to unheated areas. There are many types to fit different situations and budgets.
Door Thresholds not only help seal out drafts, dirt, moisture and insects, they can improve the appearance of your entryway. Frost King offers many different styles, sizes and finishes in aluminum and wood.
Remember, even a small gap under your door or around your door frame can let in as much frigid January air as an open window or a large hole punched through your wall.
Browse the products below. Got a question about door thresholds, sweeps and sets? Download this handy Home Checklist. View the FAQs below or, if you have a different question, call (800) 299-5700.


Q: Can the Double Draft Stop be cut to fit a smaller door or window?

Yes. The foam tubes inside the Double Draft Stop can be cut to any size. Once the tubes are back in the case, the loose ends can be folded over to accommodate narrower doors and smaller windows.

Q: Will The Double Draft Stop also keep bugs from crawling under the door?

The Double Draft Stop is not rigid enough to prevent all bugs from crawling under the door. A better solution in this situation would be an Aluminum and Vinyl Door Sweep that attaches to the bottom inside of the door.

Q: What is the length of the fins on the PVC Door Bottom Replacement for Stanley Steel Doors?

The fins on the 1 in. x 36 in. Brown PVC Door Bottom Replacement for Stanley Steel Doors will cover up to a 1/2" gap under the door.

Q: How do I install my Door Sweep?

Sweeps are fairly simple to install, take a look at the threshold video, or download the instructions.

Q: Do Door Sweeps go on the inside or the outside of the door?

A majority of Door Sweeps should be installed on the inside of the door, since most entry doors are "in-swinging" doors. A door sweep attached to the outside of the door would be only be used for an "out-swinging" door. A good rule of thumb: you don't want the door sweep to cross the threshold when the door is in motion.

Q: What size drill bit do I use on door sweeps?

Use 1/8 inch drill bits.

Q: What can I do to make sure the Vinyl Inset Fits Correctly?

First, soak the Vinyl Insert in a tub of warm (but not hot) water, with just a drop of liquid soap, for about 10-15 minutes. This will make the Vinyl Insert more pliable and easier to work into the threshold grooves. Once the Insert is warmed up, it should be pliable enough to slide into the threshold groove with no problem. If the insert is just being stubborn, a plastic putty knife or plastic spatula can help guide the insert into the grooves for a snug fit.

Q: How do I install my new Threshold.

It's Easy. Take a look at the instructions here... threshold label instruction Or you can watch the Handy Guys install a new Threshold, here.

Q: Does the 1 in. x 7 ft. Vinyl Clad Foam Kerf Door Seal install on the jamb or the door itself?

The Replacement Door Seal for Kerfed Mill Doors, is a replacement for the Kerf seal that should already be in the door jamb or if it is missing there should be a kerf cut into the existing door jamb to accept this product.

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