Our Bifold Collection

– Wynstellar Doors –

Bifold Collection

Extend your living space to enjoy nature year-round with DSA’s Master-Crafted Bifold Doors. When Bifold Doors are closed, you’ll enjoy natural light and panoramic views of your property. When they’re open, the glass panels fold accordion-style to maximize your open space. Adding a folding glass door is the easiest way to open up your home, maximizing entertaining and living spaces.


  • Wood: Accoya – 2 1/4”
  • Glass: Clear IG Low E
  • W-9 Door Size: 9’0” x 8’0”
  • W-12 Door Size: 12’0” x 8’0”
  • W-16 Door Size: 16’0” x 8’0”
  • Outswing only
  • DP-50 Rated (DP FL Approval Code 41541.1)





DSA Inspiration Gallery

Experience the DSA Difference

Premium Wood Quality

Constructed with sustainably sourced color-matched Meranti Mahogany, Knotty Alder, and encapsulated Accoya timber.

Superior Door Construction

Anti-splitting 11-ply construction and vertically grained panels with same wood species throughout door.

Eco-Friendly & Efficient

Locally assembled in Raleigh NC with highly-sustainable timber using energy-efficient CLPF construction and Low E glass.

Work with Industry Experts

Customize your doors, take advantage of R&D's innovative features, and call your dedicated representative for top-notch service.


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