What products can architects specify through Cornerstone?

Aluminum bifold doors, sliding glass doors, lift & slide systems, pivot doors, French doors, fixed, picture and tilt-turn windows, glass wall systems and custom architectural openings.

Do you provide technical documents and product specifications?

Yes. Architects, builders and contractors can download the spec sheets on this page or request specifications, configuration guides, finish information and glass options.

Can Cornerstone help choose the right bifold door configuration?

Yes. Our team can review panel count, stacking direction, opening size, traffic flow, furniture layout, weather exposure and project goals with you.

How do I request pricing?

Use the Get a Quote form and include the product type, rough opening size, project city and state, timeline, drawings if available and your preferred system style.

Modern home with large aluminum glass openings onto a lawn

Black aluminum door hardware with a multi-point lock and key

Wood-grain and solid aluminum frame finish samples

Project Support

Specification Support

Configuration Review

Glass & Finish Selection

Spec sheets, configuration guides and product data for your drawings

Panel count, stacking direction, traffic flow and opening size reviewed with you

Low-E, tinted, coated and insulated glass, aluminum and wood-grain finishes

Bifold Door Configuration Guide

Bifold door panel configurations from 2 to 7 panels

Bifold door panel configurations from 8 to 10 panels

Bifold Door Technical Data

Panel Range

2 to 10 panels

Frame Width

60" minimum, 360" maximum

Frame Height

Up to 140"

Transom

Available

Corner Option

Corner meet-post available

Sizing

Custom sizes to your opening

Glass

Clear, tinted, coated, Low-E, double or triple pane

Technical Library

Download spec sheets and configuration guides for your drawings and submittals:

Crystal Series Pivot Door (PDF)

Impact Series Bifold Door (image)

Aeris Series Sliding Door (PDF)

Interior Bifold Door (PDF)

Vision Series Fixed Window (PDF)

Vision Series Bifold Door (PDF)

Vision Series French Door (PDF)

Vision Series Single Door (PDF)

Bifold Door Configuration Guide (PDF)

Lift & Slide Sliding Door (PDF)

Aluminum Systems Collection brochure: glass walls, sliding and bifold (PDF)

Frequently Asked Questions

Aluminum bifold doors, sliding glass doors, lift & slide systems, pivot doors, French doors, fixed, picture and tilt-turn windows, glass wall systems and custom architectural openings.
Yes. Architects, builders and contractors can download the spec sheets on this page or request specifications, configuration guides, finish information and glass options.
Yes. Our team can review panel count, stacking direction, opening size, traffic flow, furniture layout, weather exposure and project goals with you.
Use the Get a Quote form and include the product type, rough opening size, project city and state, timeline, drawings if available and your preferred system style.

Not sure about your measurements?

Send an approximate size - we'll guide you step by step.

GET MY QUOTE

No obligation • Expert guidance included

Send your dimensions and we'll design the right windows and doors for your project.

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Ready to Specify Your Next Project?

Request a custom quote for your home, renovation, or architectural project.

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Floor-to-ceiling aluminum sliding glass doors opening to an infinity pool and ocean view

Architect Resources for Aluminum Windows, Doors & Glass Walls

Specify Large Glass Openings with Confidence

Spec sheets, configuration guides, glass and finish options and project support for architects, builders and designers working with Cornerstone aluminum systems.

Get a Custom Quote