A4000 Sliding Door Models 420,430 & 440 Spec Sheets | MI Windows and Doors

Skip to main content

Select project location

Project Location

Enter the ZIP code for the location where you would like to receive MI products or services.

Use current location

Unfortunately MI products and services are not available in that zip code. Please view our full Dealer Locator to expand your search.

Why are we asking?

Products and options vary by location. Providing your project location helps us provide you more accurate information while you browse our website.

placeholder

GET A QUOTE GET A QUOTE

Find a Dealer Find a Dealer

Location

Locations

Windows

Operating style

Image

Image

Double-Hung

Image

Image

Single-Hung

Image

Image

Picture

Image

H0rizontal slider

Image

Horizontal Slider

Image

Casement window

Image

Casement, windows

Casement

Image

awning windows

Image

awning, windows

Awning

Image

specialty, windows

Image

specialty, windows

Specialty

Browse all windows

Help me find my window

Window series

Vinyl
- V3000 Series
- V2000 Series
Sunrise Collection

Learn about windows

New Construction Windows
Replacement Windows
Inspiration Gallery

Image

test

/inspiration-gallery

See clearly

Browse the inspiration gallery

Patio doors

Operating style

Image

Image

Sliding

Image

DPocketGlassWalls

Image

Pocket Glass Walls

Browse all doors

Help me find my door

Door series

Vinyl
- V3000 Series
- V2000 Series
Sunrise Collection
Aluminum
- A2000 Series

Learn about patio doors

Replacement Doors
New Construction Doors
Inspiration Gallery

Image

test

/inspiration-gallery

See clearly

Browse the inspiration gallery

Project planning

Start planning your project

What type of project are you starting?

Home improvement projects are an important investment of your time and money. There are several important steps that you can take to effectively plan your project, and MI has the resources you need to get started.

REPLACEMENT

New Construction

Project resources

Begin Project Planning
Why MI
What Customers Say
Guide to Home Project Budgeting
Architectural Styles
Energy Tax Credits
Inspiration Gallery
Blog

Image

Test - Style Gallery 4

/inspiration-gallery

Get Inspired

View the gallery

Support

How can we help you?

Support resources

Window & door care

DIY Resources

Register warranty

Find a Warranty

Other resources

Warranty Information
Frequently Asked Questions
DIY Resources
Technical Resources
Service Reviews

For pros

What type of pro are you?

Architect

Builder / Remodeler

Contractor

Tools & Resources

For Professionals
Technical Resources
Case Studies
Become a Dealer
Installation Instructions
Compare All Products

Image

/technical-resources

Technical Resources

Resources to assist with your projects

Find a Dealer

Request a Quote

A4000 Sliding Door Models 420,430 & 440 Spec Sheets

Spec Sheets

Document

PDF

Let us show you the way to a better view

DOWNLOAD BROCHURES

A family of leading window and door brands united by our passion for quality and relentless pursuit of 100%.

Footer menu

Company
Products
Project resources
Support

© 2026 MI Windows and Doors, LLC. All Rights Reserved. | Privacy Notice | Cookie Policy | Affiliated Entities | SMS Policy | Our Ads | Terms of Use
Transparency in Supply Chain Act Disclosure | Insurance and Prescription Drug Statement | CA Team Member Privacy Notice

© 2026 MI Windows and Doors, LLC. All Rights Reserved. Privacy Notice