Your satisfaction with your Pella windows and doors is our top priority. If you have a problem with your Pella product that you think could be related to the window’s installation, taking the following steps may help determine if the product is installed level, square and plumb.
First, grab a level and set it on the frame of the product, across the bottom or sill. Do not set it on the sashes or panels of the product since it may not give an accurate reading. The bubble of your level should rest in the center, demonstrating the product is installed level.
Next, examine plumb of your window or door. Plumb means the window or door is straight down or up, vertically. To test for plumb, place 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 side. The bubble should fall in the midpoint on both sides, representing that the product is installed plumb.
Third, you can examine for bowing by measuring the unit horizontally across the top, middle and bottom. The measurements of each of the three places should all be equal, plus or minus one eighth of an inch. It’s crucial to always measure to and from a common point on both sides for consistency. After this, 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 for the product to be
You can also check the reveal, where the sash meets the frame. The gap should look the same 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.
Doing a little troubleshooting on your own can provide helpful information to resolve a problem. If it turns out that you have stumbled upon one, or even a couple, of these issues, come by the Pella Window and Door Showroom in Gaithersburg or give us a call at 202-810-6722.