What to Expect When You Install a Multipanel Sliding Door: The Process from Start to Finish

One of the things that stops homeowners from moving forward on a multipanel sliding door project is not knowing what the process looks like. Construction projects feel opaque. You do not know how long you will be living in a job site, who is going to be in your house, or what the sequence of events is. This article walks through exactly what happens when Perspective Windows and Doors installs a multipanel sliding door in a Phoenix home.
Step One: The Free Walkthrough
Every project starts with a free in-home walkthrough. One of our team members comes to your home, looks at the back wall, and assesses the project. We look at the wall construction (wood frame, block, or combination), the existing opening size, the structural conditions above the opening, and the exterior stucco or finish.
At the end of the walkthrough, you have a clear picture of what the project involves, what the door options are, and what the cost range looks like. This typically takes 30 to 45 minutes.
Step Two: Design and Proposal
After the walkthrough, we put together a formal proposal with the specific door system we recommend, the opening dimensions, and the all-in project cost. We walk you through the door options — panel count, frame finish, glass type — and answer any questions before you commit to anything.
Step Three: Permitting
In most Phoenix-area jurisdictions, a structural cut-out project requires a building permit. We handle the permit application and coordinate with the city or county on your behalf. Permit timelines vary by jurisdiction but typically run one to three weeks.
Step Four: The Cut-Out and Framing
This is the construction phase. We remove the existing wall material, cut the opening to the new dimensions, install the structural header, and frame the rough opening. This phase typically takes two to three days depending on the wall construction.
During this phase, the opening is temporarily covered with plywood at the end of each workday. Your home is secure overnight.
Step Five: Door Installation
Once the rough opening is framed and inspected, the door system is installed. The track is set, the panels are hung and adjusted, and the hardware is installed and tested. This phase typically takes one to two days.
Step Six: Stucco and Finish
The exterior stucco is patched and textured to match the existing wall. Interior trim is installed around the opening. The project is cleaned up and inspected.
Total Timeline
From permit approval to project completion, most multipanel sliding door installations take two to three weeks. The active construction in your home — the days when there are workers on site — is typically four to six days spread across that period.
If you are ready to understand what this process would look like for your specific home, the first step is a free walkthrough.