Prehung Exterior Door Threshold Has Gap Between Concrete Floor

The concrete floor was very crooked so after installation there is about a 1 2 gap at one end under the sill plate that was attached to the door.

Prehung exterior door threshold has gap between concrete floor. I shimmed it during installation to get it all square but now i would like to fill in that area and remove the shims. Residential adjustable height thresholds ensure a tight seal for beneath the door gaps despite uneven door bottoms and sub sill level changes. Support for an aluminum threshold when i install an exterior prehung door i pull the oak sill along with the old frame i replace it with a piece of pt 2x8 that gets leveled in both directions these doors are designed to sit on the plywood of a deck framed house but older ballon frame homes have the oak saddle sitting directly on sloped. Length is custom cut to size.

Run a bead of high quality sealant along the exposed framing where the new door s exterior trim will meet the wall and across the floor where the door s threshold will sit. Carefully measure the doorway for the new threshold. The installer told me the shoe would cover the gap. Door thresholds come in a variety of materials such as wood marble and metal and make the transition from doorway to floor smooth and easy.

The solid wood base has an all aluminum exterior for superior stability and long lasting reliability. The new threshold should have a similar profile to your old threshold and be 1 to 2 inches longer than the length of the doorway so that you can cut it for an exact fit. In the case of a home that has floor joists and a sub floor the rough in opening will be measured from the top of the sub floor. I recently installed a new metal exterior door between my garage and basement.

Most entry door frames have a piece of lumber below the door and combined with the metal threshold will raise the base of the door. There is a 1 5 inch gap between the threshold and the bottom of the wooden door. Press the unit home so that it beds tightly in the caulk. Learn how to install the threshold on a concrete slab floor employing varying methods that include the use of screws or fasteners and adhesives.

Mark the new threshold based on your measurements. I ve just paid a series of professionals to measure order install and paint a pre hung exterior door. While these measurements would appear to make sense they can create a major problem. But a gap of 1 5 inches seems excessive.