Questions covered in this guide
Tell the bidder what will remain
Ask whether the proposal retains the stucco around the opening, removes part of it or includes a broader repair. Photograph the existing condition and identify previous patches. Keep that description beside the proposed window type. A label such as full replacement does not, by itself, explain how the product will connect to the surrounding exterior.
Request the applicable installation reference
Pella separates installation instructions by exterior material. Its directory includes stucco-specific replacement applications. Have the installer identify the manufacturer-approved approach for the actual window and wall condition. Ask why that detail fits your opening and whether any condition must be inspected first. A drawing for another climate, flange style or wall construction should not be treated as interchangeable without a professional explanation.
Compare the interface and repair scope
Create rows for removal limits, connection to the water-management layers, trim or flange treatment, sealant compatibility and final stucco finish. Identify who performs each part and who coordinates between the window installer and any stucco trade. Request a process for concealed damage, with documentation and approval before extra work. If the proposal retains an existing component, ask how its condition will be checked. Keep color or texture matching expectations separate from a promise that an old finish will become visually identical.
Approve the complete exterior result
Ask for a written installed total that includes the identified repairs, or clearly separates work by another contractor. Save the chosen detail and before-work photos with the opening list. Use supplied unit prices or a separate project total when the scope exceeds a simple replacement reference. The calculator cannot determine whether a retained stucco interface is suitable or price undocumented repairs behind it.
Sources and supported claims
Pella separates installation instructions by exterior material.
Source ↗ · national · Checked 2026-10-12
Its directory includes stucco-specific replacement applications.
Source ↗ · national · Checked 2026-10-12
More help with this decision
- Window replacement cost calculator
- Insert vs. full-frame window replacement: compare the scope
- Window energy labels: what U-factor and SHGC tell you
- Compare contractor quotes: price, scope and missing work
- A homeowner handoff checklist for new windows
- Aluminum-looking windows: ask what each frame surface is made of