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DIY Window Installation Troubleshooting in Springfield, IL

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Your satisfaction with your Pella windows and doors is our priority. If you have a problem with your Pella product that you suspect might be related to the window’s installation, completing the following steps may help determine if the product is installed level, square and plumb.

First, take a level and set it on the frame of the product, across the bottom or sill. Do not put it on the sashes or panels of the product because it may not give an accurate reading. The bubble of your level should fall in the center, signifying the product is installed level.

Next, check plumb of your window or door. Plumb means the window or door is straight down or up, vertically. To check for plumb, set your level on the two vertical side jambs on the exterior face to ensure the product is plumb from the inside out. Then, you’ll check for plumb from left to right by placing the level on each of the two sides. The bubble should fall in the center on both sides, indicating the product is installed plumb.

After checking plumb, you can look for bowing by measuring the unit horizontally across the top, middle and bottom. The measurements of these three places should all be equal, plus or minus 1/8 inch. It’s important to always measure to and from a common point on both sides for consistency. Finally, see if your window or door is square by measuring from each corner to the other in an X fashion on the outside of the product. The measurements should be within 1/8 inch of each other to indicate the product is installed square.

You may also check the reveal, where the sash meets the frame. The gap should have the same look from top to bottom and left to right. All sides of your product should appear the same, demonstrating the product is installed level, square, and plumb.

Taking the time to do a little troubleshooting on your own can provide helpful information to fix a problem. If it is clear you have run in to one, or even a couple, of these issues, stop by the Pella Window and Door Showroom in Springfield or give us a call at 217-793-0550.