High-Quality Doors, Windows, & Shutters in Roslyn, PA

For 95 years we have served the Philadelphia Metropolitan Area, and have remained the only door store in Roslyn, PA. We maintain in stock a large selection of windows, shutters, and doors for residential and commercial buildings. 

  • Bilco Basement Doors
    Bilco Basement Doors

    The Bilco line of products has a reputation for dependability and for products that are without equal in design and craftsmanship.

  • BWI Commercial
    BWI Commercial

    No matter their style, core or fire rating, commercial doors don’t have to be boring!

  • CDC – The Combination Door Company
    CDC – The Combination Door Company

    Combination Door Company makes some of the finest doors in the world.

  • Glass Craft
    Glass Craft

    GlassCraft’s trademarked designs and patented technology have received various honors and recognition in the industry.

  • Gordon Basement Doors
    Gordon Basement Doors

    The Gordon Corporation has been developing, manufacturing, and marketing our all-steel basement doors for over 50 years.

  • Ideal Windows and Doors
    Ideal Windows and Doors

    For over 90 years Ideal Window has been helping homeowners and contractors by providing outstanding service and quality window products.

  • Larson

    Family owned Larson Manufacturing has grown into the largest manufacturer of storm doors and windows in the USA.

  • Lemieux Doors
    Lemieux Doors

    Lemieux Doors has become the leader in the wood stile and rail door market.

  • Marvin Windows and Doors
    Marvin Windows and Doors

    Marvin Windows and Doors has cultivated a worldwide reputation as an industry leader in product innovation, energy efficiency and progressive manufacturing techniques.

  • Masonite

    Simply stated, Masonite® doors will make your home more beautiful.

  • Neuma

    Neuma offers our customers a large variety of the world’s leading fiberglass patio door systems.

  • Northeast Building Products
    Northeast Building Products

    Northeast Building Products has been creating and perfecting window and door products.

  • Plastpro

    The Door of Beauty and Innovation

  • Rogue Valley Doors
    Rogue Valley Doors

    One look at our beaded panel doors and you can tell handcrafted quality workmanship is the hallmark of Rogue Valley Door.

  • Screen Tight
    Screen Tight

    Whether it be new home construction or remodeling, Screen Tight® has a wide variety of home improvement products for any project.

  • Signature Doors
    Signature Doors

    From its humble beginnings in 1989, Signature Door Inc. has repeatedly brought beauty and quality to the door manufacturing industry.


Doors, windows, and shutters are important for your home’s security and your family’s protection. That’s why you need to buy top quality building materials from trusted, reputable suppliers. At Geppert Lumber Company in Roslyn, PA, we carry building supplies from several manufacturers like Bilco, Ideal Windows and Doors, and Masonite. We also offer discounted overstock doors. 

Discover Why We Are the Best Door Store in the Area

If you’re looking to update your home’s appearance and increase its level of security, purchasing a new door is a good idea. We have many types of interior and exterior doors available. If we don’t have the style you want, there’s also the option to get a custom design or special order. Simply come into our Showroom and talk to us about your preferences. We sell wood, steel, metal, glass, sliding, French, and modern doors in a variety of colors. You can get doors for every room in your house from bathrooms to bedrooms. We even sell doors for beach houses.

Cheap Windows Don’t Last

Windows are an investment. Purchasing cheap windows can be tempting, but will cost you in the long run. High-quality windows make your home look much more attractive and help keep out external noises. When you invest in our high-performance windows, you get energy-efficient options that save you money on utility bills. We sell aluminum, fiberglass, and wood windows in single and double-hung styles.

Window Shutters Protect Your Home

Window shutters can improve the resale value of your home. They also protect your furniture and artwork from harmful UV rays and serve as decorative accents. We keep in stock interior and exterior shutters made from vinyl, wood, plastic, and aluminum. These shutters can be used for windows of any shapes or sizes. 

The Best  Doors, Windows, and Shutters Supplier in Roslyn, PA

Geppert Lumber Company, a trusted doors, windows, and shutters  supplier in Roslyn, PA, has all of the products to meet your project needs. Whether you’re working on a house or a commercial building, you’ll find a variety of options to choose from in our store. Are you looking for buy durable, high-quality materials from the best building materials supplier? Call us at (215) 659-6006 to place your order and arrange delivery.