How To Remedy A Sagging Window


To preserve the structural integrity and value of a property, it is important to carry out regular maintenance. Windows are the most striking architectural feature of any property so keeping them ship shape is vital.

This article focuses on the different reasons why windows may sag and what can be done to remedy the situation. Since there is a wide range of window shapes, designs and sizes, it is imperative to identify what the window type is before we can ascertain what is causing it to sag, and how to fix it.

Bay Windows

Bay windows arch away from the wall in a semi-circle. They extend past the main foundations of the house and therefore do not benefit from the support provided by the walls and foundations.

This makes them more sensitive to natural gravity than the rest of the house. Many a time has a bay window dropped because of the natural pull of gravity over time. A sagging window frame can cause an obstruction in the opening and shutting of the windows. This issue usually requires supplemental support.

The best way to get the job done is to hire a bay window specialist to reinforce the supports that already exist in the structure. However, a stop-gap solution could be to use brackets to connect the bay structure to an adjoining wall.

This helps in redistributing the weight of the window to an exterior wall that has foundational support. However, this is not a permanent fix as a bracket fix will only last so long and the window will eventually start to sag again.

Bow Windows

Bow windows are similar to bay windows in that they too extend away from the house. However bow windows are connected to the exterior wall and don’t have a separate support structure like bay windows.

A bow window may also sag, particularly from the central part, and the addition of brackets will rectify the problem. However, Bow windows may also sag from the top, in which case support cables have to be connected to the window to keep it attached to the rest of the house and prevent further sagging.

Other Windows

Windows that are parallel to the wall and are hinged on one side are called casement windows.

Other windows are fixed windows, single hung, double hung, or slider windows. These kinds of windows are built directly into the walls and usually do not have sagging issues because of less support.

However, there could be other minor issues that could cause even these windows to sag. These could be because of problems in the window itself, problems with the frame or a problem with the wall beneath the window.

Most of these can be fixed by a handyman or replacing a few parts like the hinges if that is the root cause.

However, if the issue lies in the underlying wall, that is a sign of a structural problem and it would be prudent to have a professional contractor look at it so it can be catered to properly to ensure the safety and structural stability of the house.

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