Recommended for a wide range of residential and light commercial applications. The particle board core offers good stability against warpage and reduces telegraphing. Available as either nonrated or 20 minute fire-rated in a wide variety of Veneered, Hardboard, and Prefinished faces.
MAXIMUM SIZE
(Nonrated)
Single doors 4'0" x 10'0"
Regular and Double Egress Paired doors 8'0" x 10'0"
(20 minute-rated)
Single doors 4'0" x 10'0"
Maximum size door/transom 4'0" x 10'0"
Paired doors: Dependent on hardware used, up to 8'0" x 10'0"
Note: GP Firestop II meeting edges may be used for 20 minute pairs in lieu of metal edges.
DOOR THICKNESS
13/8" (nonrated only) and 13/4" standard.
STILES
13/8" doors: Minimum 11/8" (before trim) clear or fingerjointed stiles.
13/4" doors: Minimum 11/4" (before trim) clear or fingerjointed stiles.
Hardwood outer edges compatible with face veneer available upon request.
RAILS
13/8" doors: Minimum 21/4" (before trim) mill option fiberboard or wood rails.
13/4" doors: Minimum 25/8" (before trim) mill option wood rails.
Hardwood rails compatible with face veneer available upon request.
LOOSE LAY CORE AND FRAME ASSEMBLY
Particle board core with an average density of 28 to 34 lbs.
FACES
Pregraded: Hardboard or Premium 2-, 3-, or 4-ply veneered skins (minimum 1/60" veneer before sanding). Veneers available in a wide variety of species and cuts.
ADHESIVES
Core and frame assembly and veneer application all with Type II water-resistant adhesives.
Type I waterproof adhesive available upon request.
BLOCKING
Special inner blocking options may be specified for hardware reinforcement.
FACTORY MACHINING/DETAILING
Complete range of machining capabilities and detailing available. Rated doors must be in accordance with Warnock Hersey International, Inc. and National Fire Protection Association Standards (NFPA 80, latest edition). Lynden Door, Inc. recommends factory prefitting on all fire doors.
LIGHT OPENINGS
Cutout area may not exceed 40% of the face or half of the door height to comply with the warranty. For 20 minute-rated doors, the total visible area of single or multiple lights may not exceed 1,296 sq. in. per leaf, with a maximum width of 36", or a maximum height of 54". All cutouts must be 6" from the edge of the door or any other cutouts and/or hardware preps. Louvres are not allowed in 20 minute doors.
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.
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