Back to Semi Automatic Windows

Semi Automatic Bi-Fold
Model: BPSC-4836

This manual bi-parting, self-closing slider provides a service opening for the largest of products. Doors open manually from the middle eliminating the need to order right or left handed models. The unit locks automatically when closed and passes all health code requirements.

Service Opening: 16-1/4”(w) x 28-5/8”(h)
Rough Opening: 48-3/8”(w) x 36-3/8”(h)


  • Shipped fully-assembled and ready to install
  • Warranty backed with nationwide service centers
  • 1/4” clear tempered safety glass
  • Weather resistant & sealed to protect from the elements
  • Dark bronze or clear anodized aluminum
  • Corrosion resistant material: anodized aluminum and #304-#3 finish stainless steel
  • Security locking systems
  • Maximum security hook-bolt locks
  • Automatically locks every time the door closes to prevent outside penetration


  • Custom colors available
  • Reduced service openings for areas requiring 432 sq. inches
  • Custom transoms and overall window sizes
  • Various glazing options (B/R, Insulated, Tinted, etc)



To place an order or for more information contact a
representative: 866.247.8832





Lamson Group, LLC.    10 Millpond Drive       Lafayette New Jersey      
Telephone 973.300.4267 Toll-Free 866.AIRTUBES
Fax 973.300.1932 •