MODEL CPC 7: PARTICLEBOARD CORE

Interior/Exterior

A rugged construction consisting of 3 ply hardwood doorskins permanently bonded to frame and core. The precision made core is composed entirely of wood particles which provides a stress free foundation and a completely smooth, uniform surface free of any voids, knots or patches that could show through the finish.

QUALITY STANDARDS:

Premium Grade conforming to or exceeding WDMA Industry Standard I.S. 1-A and Architectural Woodwork Institute Section 1300 for type PC-7 or FD 1/3, as tested per A.S.T.M. E-152 “Fire Test of Door Assemblies” performed by Warnock Hersey International.

MAXIMUM SIZE:

Single Door (unrated)
4/0 wide, 10/0 high

Pairs (unrated)
4/0 wide, 10/0 high,
(8/0 x 10/0 opening)

Single Door (20 minute)
4/0 wide, 9/0 high

Pairs (20 minute) - 4/0 wide,
9/0 high, (8/0x9/0 opening)

Thickness

1-3/8" (±1/16") unrated
1-3/4" (±1/16") (20 minute)

FRAME COMPONENTS:

Stiles - (Before Trim or Prefit)* one piece, clear, matching/compatible hardwood face laminated, SCL back, for painting or staining. 1-1/4" total width. Minimum specific gravity of 0.39 for stile face and back.

Rails - (Before Trim or Prefit)* 1-3/4" SCL with minimum specific gravity of 0.39 clear, one piece.

INTERIOR BLOCKING:

Not generally required for fire rated or non-fire rated applications. In some applications the addition of optional solid wood blocking may be needed due to hardware specifications.

CORE:

Wood particleboard door core to meet or exceed American National Standard ANSI/A208.1 for 1-LD-1 or 1-LD-2 door core. Exceeds requirements for 20 minute construction authority.

FACES:

1/8" 3 ply plywood meeting AWI or WDMA grading rules as specified. Type I or II bond as specified.

ASSEMBLY:

Core and frame are uniformly sized to a thickness of 1-1/2" (±.015") Core and frame components are assembled to meet or exceed 20 minute specifications.

ADHESIVE:

Type I or Type II bond, by specification, between faces and core/frame components.

WARRANTY:

Lifetime from date of manufacture. For original installation only.

LABEL AUTHORITY:

May be labeled and classified by Warnock Hersey International or Underwriters Laboratories as a 20 minute fire/smoke barrier. Restrictions on machining and architectural accessories or application are per governing authority.

APPLICATION EXCEPTION:

Exterior application of this product requires specification of Type I optional adhesives. This application also requires additional architectural accessories and reduces the warranty period of the product from Lifetime to one (1) year.

STC RATING:

Doors with this type of construction have been tested and received the following STC ratings:
NonGasketed–STC 24
Gasketed–STC 31

* Fire labeled doors may not be refit in the field if already factory prefit sized. If not factory prefit for length, maximum field trim is 3/4" from the bottom only per NFPA-80, 1986, Fire Doors, Chapter 1-3.5