Pella® Window and Door Installation – Expertise You Can Trust You’ve chosen your replacement windows or doors. Now comes the second half of the replacement project: installation. Pella’s engineering experts have designed exclusive installation methods that demonstrate their success year after year. Pella professionals have the greatest expertise installing our windows – so when you have a Pella Expert Installer from our Wilmington showroom replace your windows or door, you’ll know you have the best person on the job. The Installation: What to expect Correctly measuring your openings is critical to the operational performance and energy efficiency of your windows. Measuring must be exact to ensure a precise fit. Removing your old windows is a task that needs to be done properly to avoid harming your home’s walls. Our Wilmington Pella Showroom installers will responsibly dispose of your old windows or door at no additional cost. Ensuring a weathertight fit will help thwart air and water from entering. Pella experts take extra care to ensure your window or door is level and square in the opening. We’ll also install insulation between your window or door and the wall and will adhere the product to the wall to prevent the elements from entering your home. Cleaning up is the final step. We will check each window for proper installation. Upon finishing, our installers will clean up the work area, vacuum and explain how to operate and take care of your new Pella windows or door. When you select replacement by our Wilmington Showroom, you’ll experience exceptional customer service, clean and careful installers and peace of mind knowing that your installation was completed by the best.