Measure the width of the existing.
Measuring for replacement windows uk.
Due to the possibility of warped window frames always measure.
Take window measurements from outside the home.
The first rule of thumb is to make sure you take accurate measurements in millimetres not inches.
Measure replacement windows in cm s mm s.
This gives you a finer level of accuracy and means there s no room for error from the window manufacturer when they have to convert your measurements to metric.
One at the left side one at the center and one at the right side of the window.
Similar to measuring the width measure the height.
To determine height measure from the brick at the bottom to the lintel at the top of the opening.
If it s a wide opening measure in three points the two sides and the middle.
Proper measurement of windows is essential in successfully installing new or replacement windows in a home.
For metal windows in brick walls measure the width from brick to brick.
How to measure for replacement windows uk step 1.
5 check whether the window opening is rectangular.
Measure from the high point of the sill of your window the surface closest to the inside of the window to the top of the window opening.
Following these pella guidelines will help ensure precision and therefore best performance of new windows these recommendations are based on the installation of a typical replacement wood or vinyl double hung window into an existing wood double hung window frame.
A single pane of glass varies in thickness but 1 8 3mm is a reasonable estimate.
Depending on the width of the window measure the window height at no less than two points from the sill to the top of the opening.
There is usually a minimum depth required for installing a specific replacement window or storm window but as long as the depth is larger than that minimum you do not need an exact measurement.
Subtract 1 8 inch from the measurement for the width dimension.
To avoid any room for error remember that british window.
To measure for replacement follow the same three step measuring guidelines but strike the tape from brick to brick to measure the window s width.
Evaluate the height of the window opening.
To determine the height of the new screen raise the window sash and measure up from the lip a ridge that holds the screen in place along the screen channel to the sash.
Add 1 8 inch to the measurement for the height dimension.
Measure the opening outside so firstly step outside.
Your first measurement will determine whether the existing window frame is in square which means.