SD - Hardboard & Prefinished Bifolds

Standard Construction (SD) Series

APPLICATIONS & BENEFITS

Recommended for a wide range of residential and light commercial applications. The prefinished bifold offers consistent quality and reduced onsite finishing costs. Available in a wide variety of finishes. The Unfinished and Primed Hardboard provide excellent paint surfaces for custom finishes.

SPECIFICATIONS Please see PDF link below

MAXIMUM SIZE Two door bifolds 4'0" x 8'0"
Four door bifolds 8'0" x 8'0"

DOOR THICKNESS
1 3/8" standard, 1 3/4" available upon request.

STILES
1 3/8" doors: Minimum 2 1/4" (before trim) mill option fiberboard rails, softwood stiles available upon request.
1 3/4" bifolds: Minimum 1 1/4" (before trim) mill option softwood stiles.

RAILS
1 3/8" doors: Mill option fiberboard rails or  2-piece laminated industrial grade particle core. Softwood rails upon request.
1 3/4" bifolds: Mill option softwood rails.

LOOSE LAY CORE AND FRAME ASSEMBLY
Expanded honeycomb core with a 5" cell.

FACES
Pregraded: Hardboard, Primed Hardboard, Paper Overlay and Printed Hardboard skins available. Backs are mill option Hardboard skins. Matching backs available upon request.

ADHESIVES
Core and frame assembly and veneer application all with Type II water resistant adhesives.
Type I waterproof adhesives available upon request.

BLOCKING
Special inner blocking options may be specified for hardware reinforcement.

FACTORY MACHINING
Complete range of machining capabilities and detailing available.

HINGES AND HARDWARE
Three edge mounted Stanley butterfly hinges per two panel set, with Stanley 2400 series hardware.

PACKAGING
All bifolds are individually boxed into two door and four door bifold sets, using corrugated boxes.

WARRANTY
One year for interior use only. See warranty terms and conditions. Use of Lynden Door, Inc. interior doors in exterior applications is neither recommended nor warranted.