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How to Measure for Replacement Windows

Aug 18

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8/18/2014 3:56 PM  RssIcon

The most important step of window replacement—believe it or not—happens before the windows are ever installed. It happens before they are ever even purchased. What is it?


The day the window measurements are taken. Getting an accurate measurement is extremely important as it ensures a snug fit and an easier installation. If your measurements are off, it will require additional labor as modifications must be made to accommodate the window that has either been sized too small or too large.


The best way to ensure that your windows are measured properly is to hire a professional window replacement contractor. A contractor will have the expertise necessary to ensure that you are getting a precise measurement.


If you are a do-it-yourselfer and want to replace your own windows, here is how you do it:


Step 1: Measure The Inside Width of the Old Window Frame – Measure jamb to jamb, in three places—across the top, middle, and bottom. Use the smallest of the three measurements.


Step 2: Measure the Frame’s Height from the top of the Sill to the Underside of the Head Jamb – Again, measure in three places—at the left jamb, in the middle, and at the right. You will again use the smallest measurement.


Step 3: Check the Squareness of the Frame – You will do this by measuring the diagonals from corner to corner. If the window is square, the two measurements will be the same. It is common for windows to not be completely square, so do not worry as long as the frame is not out of square by more than a ¼ inch. A replacement window can be shimmed to fit relatively easily if the frame is slightly off square.


Professional Window Installation

Professional window measurements and installation are the best way to ensure that your windows are installed properly. Additionally, it removes the burden of risk from you to the window installer. If you measure your windows incorrectly and order the wrong size windows, you are ultimately responsible for the added time and expense of making the windows fit.


With a professional window installation contractor, you are more likely to have snugly fitting windows. Should the contractor measure wrong, they will ultimately be responsible for making the windows fit into your home or ordering new windows that meet your home’s specifications.


Find a Window Contractor in Your Area

If you’d prefer to have your window replacement project completed by a professional, check out our dealer locator. Weather Shield dealers are highly trained, certified, and experienced in window replacement projects. We provide them with ongoing continuing education and training opportunities to ensure that they are well equipped to provide the highest quality service available.


To get started, visit our dealer locator today!

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