Glass Company near Lansdale, Limerick, Telford & Quakertown, PA | Alderfer Glass |

The Clear Advantage in Glass Products
Since 1961



Ready to Order 
or have questions?


Home Doors

Glass Doors in Quakertown, Telford & King of Prussia, PA

Home Doors in Lansdale & Limerick

Alderfer Glass is your one-stop for quality doors at affordable prices. We take our decades of experience in residential and commercial glazing and make it work for you and your home!

Whether you reside in Doylestown or Souderton, we provide you an assortment of striking, robust and trendy fiberglass or steel entry doors to enhance the overall look of your home and to protect your home from the elements. These doors are perfect for any type of weather as they are made of finest quality material and are light in weight, weather tight and easy to operate. In addition, we also offer a unique range of patio french door units and top quality sliding glass doors which are admired for their attractive appearance and classy options. 

• Entry Doors
• Patio – Sliding & French Doors
• Sidelites and Transoms Available
• Fiberglass or Steel Entry Doors
• Vinyl Patio Sliders
• Decorative Glass
• Grids Between Glass
• Integrated Blind Systems Available
• Custom Sizes and Applications
• Available Installed or Wholesale Retail at our Store Locations

Heritage Website Pic

Our professionals are qualified to install any kind of new or replacement doors. After taking measurements and estimations, you can get your doors installed from our experts within a short span of time. At Alderfer Glass Company, we aim to provide the best home doors at reasonable prices. We are available at your service at any time of the day. We service many areas, including Doylestown and Souderton.

If you want to make an appointment or have any queries regarding installation or pricing, call our Residential Services department at (215) 723-1192 today.


ProVia Doors

ProVia is committed to making doors The Professional Way; doors individually customized for homeowners to the highest standards of durability, security and energy efficiency in the residential market.


The most energy-efficient entry door system in the U.S. market Click for more info »


Stunningly realistic wood appearance... yet it’s fiberglass! Click for more info »



Provide the strength of fiberglass and the classic look of woodgrain Click for more info »



An elegant, durable and energy efficient addition to any home Click for more info »




Swinging patio door systems available in 2 or 3-lite units Click for more info »


Real Wood Interior Provides Beauty, Grace & Style with High Performance Engineered Design Click for more info »


Our Most Efficient Patio Door Ever Click for more info »


Energy Savings and Performance Simplified Click for more info »


ThermaTru Doors

ThermaTru Doors is a company that is committed to providing you with excellence in entryway and patio door systems that complement your home's architectural style. Year after year, Therma-Tru introduces homeowners to new door styles to elevate their home's entry.

glass doors telford pa
Photo Credit: Thermatru®

Interstate Doors

Interstate Windows & Doors are designed and manufactured based on the latest trends, technologies and energy efficient ratings possible. Interstate manufactures its own Vinyl and CompositeWood Windows and Doors because they do not want to leave excellence up to chance! Interstate products often exceed Energy Star rating requirements and bear NFRC labels.

Energy Star®

ENERGY STAR was created to help consumers easily identify products, homes, and buildings that save energy and money, and help protect the environment. As the government-backed, trusted symbol for energy efficiency, the ENERGY STAR label identifies highly efficient products and designates superior energy performance in homes and buildings. For more info, visit

Our Vendors: