Lang Exterior

At Lang Exterior, Inc., we have been in the business of providing high-quality windows and patio doors for over 71 years. As the oldest vinyl window manufacturer in the Midwest, we take pride in our commitment to quality, strength, and customer satisfaction. Our journey began in 1953, and since then, we have been dedicated to providing innovative products and exceptional service to our customers.

Our Services

At Lang Exterior, we offer a wide range of services that cater to your unique needs. From vinyl windows to patio doors, we provide a comprehensive array of products that are designed to provide energy efficiency, durability, and style to your home. Some of the services we offer include:

Window Repair

If your damaged or broken window needs repair, our experts are always ready to assist you. We offer a fast and efficient window repair service that guarantees to get your window back in working order quickly and efficiently.

Rescreening

Are you tired of dealing with pesky insects and annoying sounds? Our expert window and door rescreening service is here to help. Our skilled technicians can rescreen your windows and doors while you wait at our main Chicago location.

PetScreen

Are you a pet owner struggling with pet-resistant insect screening? Our PetScreen solution is designed specifically for pet owners who want to prevent damage to their screens caused by their furry friends.

Window and Patio Doors

At Lang Exterior, we offer a wide range of window and patio door products that cater to your unique needs. From vinyl windows to patio doors, we provide a variety of products that are designed to provide energy efficiency, durability, and style to your home.

Quality and Strength

At Lang Exterior, we pride ourselves on the quality of our products. From our virgin vinyl to our advanced fusion welding process, we believe in the quality of our products.

Color and Finish Options

We offer a wide range of color and finish options to suit your unique taste and style. From black vinyl windows to woodgrain finishes, we provide over 30 color combinations to choose from.

Grids and V-Groove Glass

Our Grids and V-Groove Glass options offer a variety of patterns and designs to suit your taste and style.

Energy Efficiency

Our energy-efficient window products, such as our R5 windows and patio doors, are designed to reduce energy consumption and lower heating and cooling bills.

Custom Made Products

At Lang Exterior, we offer custom-made products that cater to your unique needs. Our custom-made windows and patio doors are designed to fit your specific requirements.

American Made

As a company that prides itself on its commitment to quality, we make our windows and patio doors entirely in America. Our products are manufactured in our own factory in Chicago, Illinois.

Customer Service

At Lang Exterior, we strive to provide exceptional customer service. We understand that your satisfaction is paramount, and we are committed to ensuring that you get the best possible service.

Nationwide Shipping

If our Chicago locations are not convenient for you, we can ship our products nationwide. Our products are designed to travel long distances and are packaged carefully to ensure their safe arrival.

Why Choose Lang?

At Lang Exterior, we believe that our commitment to quality, strength, and customer satisfaction sets us apart from the rest. With over 71 years of experience, we have established a reputation for providing innovative products and exceptional service. With our extensive range of products and services, we are confident that we have something for everyone.