Door Styles

Choose the door configuration that best suits your home and doorway. Feldco offers Single Entry Doors, Double Doors, French Doors and Doors with Sidelights.

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Door Stain Finish & Paint

Choose from our popular colors of paint and stain. You may choose one color on the inside and one on the outside

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Door Hardware

Feldco offers Emtek and Schlage hardware to match the architectural heritage of your home. Available in oil-rubbed bronze, satin nickel, and bright brass finish.

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Door Accessories

Sometimes the smallest things make the biggest difference! Our solid brass accessories add a lot to the look of your entry system.

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Glass Options

Choose the door configuration that best suits your home and doorway. Feldco offers Single Entry Doors, Double Doors, French Doors and Doors with Sidelights.

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Custom Replacement Sliding Patio Doors

Feldco's Sliding Patio Doors give you a lovely option to allow light to flood your home, while providing you with ventilation options. Slide open a little, or all the way, depending on the weather, and have easy access to the outside year-round.

The Feldco Sophia Series replacement Patio Door offers the ultimate value in comfort, safety, security, energy-efficiency and ease of ownership with a distinctive beauty to compliment your home. In most homes, the patio sliding glass door is the largest window in the home, and the most frequently used door in the home which can cause durability problems, leaking and draft issues, and escalating utility bills. The Feldco Patio Door is designed for simple, secure operation and maximum insulating properties, offering your home a new door that is both functional, beautiful and highly energy efficient.

Patio doors can be combined with large picture windows on the sides or transoms above for spectacular view and light entry.

Feldco Technical Advantage
  • WEDGE INTERLOCK AND DEEP-POCKETED FRAME - prevent drafts that cause heat/energy loss, increasing the overall comfort of your room and home
  • ENERGY STAR FULL CERTIFICATION - by the National Fenestration Rating Council (NFRC), the official testing organization for the Energy Star Program
  • ENERGY EFFICIENT GLASS - Extra Wide 13/16" Dual Glazed Warm-Edge Technology Insulated Double Pane Glass with Heat Reflecting Low E Glass Coating and Argon/Krypton Insulating Gas Enhanced Glass
  • DUAL ADHESIVE AND FLEX SEAL GLAZING SYSTEM
  • WEATHER-TITE COMPRESSION SEAL ON WINDOW FRAME
  • SOLID VINYL FUSION-WELDED FRAME AND SASH CONSTRUCTION - for rigid durability and long lifetime performance
  • MONORAIL TRACK DESIGN - for smooth gliding operation year after year. This design eliminates misalignments that can occur with standard patio door rollers cutting new tracks around the sill track.
  • HANGING SCREEN - this updated design and construction insures easy operation and prevents jamming that occurs with other patio door screens. The screen is attached to the top of the screen frame, not the bottom, and glides smoothly for easy operation, unlike big-box door screens that easily come off track and pop out of the frame.
  • ALUMINUM THRESHOLD - reinforces the lower frame of the patio door. This is the part that you step onto, and by reinforcing prevents frame compression of your Feldco Patio Door, which can cause other patio doors to stick and jamb over time.
  • CORROSION RESISTANT HARDWARE
  • EXTERNAL DUAL-POINT KEYED LOCK - provides additional security by preventing the door sash from being lifted up and removed, a common method for burglars to invade your home with standard patio door installations
  • RECESSED SECURITY BOLT - acts as an extra lock where the sliding door sashes meet, and also allows the Feldco Patio Door to be locked when opened slightly for ventilation
  • Optional: MULTI-POINT LOCKING - adding additional security elements to protect your home and family
  • MULTIPLE DESIGN CONFIGURATIONS - to fit your home's style and architecture, with custom sizes to ensure a proper fit and installation.
  • STAND-ALONE OR MULTI-CASEMENT CONFIGURABLE
  • CORROSION RESISTANT HARDWARE
  • AMERICAN ARCHITECTURAL MANAFACTURERS ASSOCIATION (AAMA) - Tested to meet the highest standards of replacement window (patio door) quality

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Feldco® has seven locations to serve you. Receive friendly, professional consultation on your replacement windows, doors, and siding needs.
"Our heating and cooling bills all went down immediately"

P.B., Naperville, IL
"Your employees are very sweet, helpful, clear, and precise! whatever you give to people to help them to understand good customer service, well I appreciate that"

Dorothy M., Williams Bay, WI
"Everyone was exactly on time, and treated us with respect"

Mary R., Chicago, IL
"The doors look great. We are 1000% happy with them. And I also wanted to tell you that your installers were extremely professional and helpful. They were both really good guys"

Greg P., Mt. Prospect, IL
"I was just blown away with the experience I’ve had with Feldco"

Joann L., Naperville, IL

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