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BUDGET & SCOPE

Folding glass door costs & pricing factors

Build a useful budget by understanding the door system, the installation, and the work around the opening.

Start exploring
Folding glass doors open onto a furnished outdoor patio
Lanai Doors project photography. Every opening has its own scope.

THE STARTING POINT

The most useful price is a quote for your opening, paired with an installation scope from your builder. A door-only price is just one part of the project.

What shapes the system price?

Start with the opening width and height, then work through the configuration and performance requirements. This guide does not publish a dollar range: a current, project-specific quote is needed to establish your price.

Opening size and panel layout

Panel quantity, dimensions, stacking direction, and everyday access affect the system you order. Compare alternatives using the same opening dimensions.

Material and finish

Aluminum, thermally broken E+ aluminum, wood, and clad wood offer different design choices. Ask for the finish and material to be identified in each quote.

Glass and performance

Confirm the proposed glass, energy performance, and any required impact-rated configuration. A similar-looking system may have a different specification.

Sill, hardware, and accessories

Identify the threshold, handle finish, locks, screens, and any custom details. Ask which items are included and which are optional.

Budget beyond the doors

Ask your contractor to separate the supplied system from the building work. A replacement in an existing suitable opening and a new opening in a structural wall can involve very different scopes.

Structure and opening preparation

Include any demolition, engineering, header work, and framing. The supplied E3 aluminum guide describes a top-hung system, so header support is an early coordination item.

Weatherproofing and finishes

Allow for flashing, sill preparation, drainage, sealants, and repairs to floors, walls, and exterior finishes.

Delivery and installation

Clarify freight, unloading, site access, storage, installation labor, disposal, taxes, and permit costs with the responsible parties.

Compare quotes on equal terms

Before choosing between proposals, mark each item as included, excluded, or still to be confirmed. Resolve allowances before placing an order.

Match the specification

Use the same dimensions, panel arrangement, frame material, finish, glazing, threshold, hardware, and screen requirements.

Match the scope

Check who measures the opening, approves shop drawings, prepares the structure, installs the system, and handles final adjustment.

Confirm timing and terms

Request the current production schedule, delivery arrangements, payment terms, quote validity, and applicable warranty in writing.

Make your first conversation productive

Bring the project ZIP code, approximate opening dimensions, photos or drawings, your preferred material, and your target construction schedule. Tell the team whether this is a new build or a remodel, and flag coastal exposure or commercial use. Preliminary measurements help start a conversation; confirm final dimensions through the order process.

References & next-step documents

Planning guidance to support your conversation with Lanai and your project team. Product availability, technical details, and applicable requirements should be confirmed for your order.

Lanai Doors E+ aluminum product information E3 Aluminum installation guide · October 2019 · PDF

LET’S PLAN YOUR OPENING

Bring your questions.
We’ll help with the details.

Share your project location, opening dimensions, and a little about what you have in mind.

Start Your Project