How To Install Door Thresholds On Concrete?

Can you glue down a threshold?

If the subfloor is concrete, you may need to glue the threshold down. To do this apply a strong adhesive to the edge of the wood flooring, and then place the threshold over the gap between the two sections of floor and push down on the piece to glue down.

How do I fill the gap under my front door threshold?

Just shim the gap accordingly with door shims so the threshold rests on the shims. Then use door and window minimal expanding foam to fill it in and seal it.

What is the difference between a door sill and threshold?

DIY Frequently Asked Questions / What is the difference between the door sill and the threshold? The door sill is part of the frame structure of the door and sits under the door jamb. The threshold sits on top of the sill and performs the duty of making the door weathertight.

What is a door threshold used for?

Thresholds are mainly used for exterior openings. They exist to close the gap between the bottom of the door and the floor so there is a good seal and add rigidity to the frame. They also help drain off water to the outside rather than the inside, while allowing the door to open and close easily.

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How do you secure a threshold?

Use adhesive to secure the threshold. Make sure the adhesive you choose is approved for use with both the threshold material and the floor material. Contact cement creates a strong, durable bond, but it won’t allow you reposition the threshold after you set it and apply pressure.

Can I glue a transition strip?

You can attach the transition in one of two ways. You can glue it to the floor with liquid nails or you could use the track that comes with it to attach it. If you are using liquid nails, apply a bead of the liquid nails to the underside of the transition.

How do you fix a gap between door and threshold?

Door Sweeps



A gap between the bottom of the front door and the threshold is easily fixed with a door sweep! Door sweeps reinforce the seal between the bottom of the door and the door jamb, meaning you get extra protection from dirt, bugs, moisture, and wind.

How much gap should be under an exterior door?

1.5 inches.

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