Prehung Exterior Door Threshold Has Gap Between Concrete Floor

Carefully measure the doorway for the new threshold.

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. Available in aluminum mill finish and three anodized finishes. 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.

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. Length is custom cut to size. 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. 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.

I shimmed it during installation to get it all square but now i would like to fill in that area and remove the shims. While these measurements would appear to make sense they can create a major problem. Measure between the outside edges of the door casing. The installer told me the shoe would cover the gap.

Learn how to install the threshold on a concrete slab floor employing varying methods that include the use of screws or fasteners and adhesives. There is a 1 5 inch gap between the threshold and the bottom of the wooden door. But a gap of 1 5 inches seems excessive. Mark the new threshold based on your measurements.

Insert the new unit top first sliding the exterior molding up below the z flashing. 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. I recently installed a new metal exterior door between my garage and basement. Residential adjustable height thresholds ensure a tight seal for beneath the door gaps despite uneven door bottoms and sub sill level changes.