48" x 48" Fire-Rated Insulated Access Door with Flange - Stainless Steel - Cendrex

The PFI-SS access door is insulated with 2” thick mineral wool and can be used on fire rated walls and ceilings. It comes with a 1” flange for an easy flush installation on any type of surface. As per UL and NFPA standards, once the installation is complete and the provided springs are hooked to the back of the panel, the door will be self closing and self locking. The largest fire rated PFI doors available for vertical and horizontal installations with temperature rise are respectively: (48’’ x 48’’) and (24’’ x 36’’ or 864 sq inches).

PFI-SS fire rated access door specifications,

Material: Stainless Steel #4 (Brushed Finish)

Insulation: 2" mineral wool

Hinge: Continuous piano hinge

Lock / latch: Self latching tool-key operated slam latch and/or ring operated slam latch, both included

Inside panel release: Included on all slam latch fire doors

Automatic panel closer: Standard on all doors

Finish: DuPont high quality white powder coat

Packaging: Individually wrapped, 1 per box

Fire Rating:

For installation in vertical wall assemblies:

Rating 1 1/2 hours. Temperature rise: 250°F (139°C) at 30 mins and 450°F (250°C) at 60 mins. Maximum door size of 48" x 48".

Rating 3 hours. Temperature rise: 400°F at 60 mins. Maximum door size of 48" x 48".

For installation in horizontal ceiling assemblies:

With temperature rise: Rating 3 hours for non-cumbustible assembly and 1 hour for combustible assembly: Temperature rise: Max 250°F (139°C) at 30 mins, 450°F (250°C) at 60 mins. Maximum door size of 24" x 36" or 864 sq inches (see note 1)

Without temperature rise: Rating: 3 hours for non-combustible assembly and 1 hour for combustible assembly.

Standards listed: NFPA 252-2003, UL 10(b), UL 555, CAN/ULC S112 M90-R2001, CAN/ULC S104-10.

MEA # 507-06-M

Fire rated by Intertek - Warnock Hersey  

 LEED Certification:

The PFI access door can contribute directly to a project's ability to achieve LEED certification:

USA

• LEED-NC New Construction & Major Renovations
• LEED for Schools
• LEED-CI Commercial Interiors

CANADA

• LEED Canada-NC New Construction & Major Renovations
• LEED Canada-CI Commercial Interiors

Note 1: Maximum door size 24" x 36" can also be calculated by multiplying the surface area of the door (24"x36"). The maximum surface area is 864 sq inches. The maximum height or width is 36". All door sizes equal or smaller than 864 sq inches fall within the standards. Ex. Door size of 28" x 28" = 784 sq inches.