Nystrom IW: Wallboard / Drywall: Fire Rated

Nystrom IW Access Doors / Panels are fire rated for access through fire rated walls or ceilings. The IW is engineered to be mounted in wallboard / drywall and has a minimal sight line for a concealed appearance. Product Applications: Wall Access Door / Panel, Floor Access Door / Panel, Draft Stop Door, Exterior Access Door / Panel, Side Walk Door, Vault Door

Nystrom Building Products
Nystrom is the world’s leading direct-to-site provider of complementary building products – like access doors / panels, roof hatches, louvers, floor doors, expansion joints, and smoke vents. Everything we do is focused on getting our customers the right products as the right time.

Testing Standards:

Warnock Hersey horizontal (maximum size 24” x 36”)
ASTME-152
NFPA 252
UBC 43-7
Underwriters Laboratories
vertical UL 10b (maximum size 36” x 48”)
horizontal UL 263

SPECIFICATIONS FOR ACCESS DOORS AND ACCESS PANELS

Door:20-gauge cold rolled steel.
Frame:16-gauge cold rolled steel with 22-gauge galvanized drywall corner bead.
Hinge:Flush continuous piano hinge.
Latch:

Knurled knob/key operated latch bolt
Optional: mortise cylinder preparation (cylinder provided by Nystrom or others).

Finish:Phosphate dipped and prime coated.
Insulation: 2" thick fire rated mineral fiber.

SW Model: Security Fire Rated Flush Access Panel with Drywall Bead (walls only)
14-gauge door and a 1 1/8” mortise cylinder preparation.

STANDARD SIZES FOR ACCESS DOORS AND ACCESS PANELS

Width x Height
(inches)

Width x Height
(mm)
08 x 08
203 x 203
10 x 10
254 x 254
12 x 12
305 x 305
12 x 18
305 x 457
12 x 24
305 x 610
14 x 14
356 x 356
16 x 16
406 x 406
18 x 18
457 x 457
18 x 24
457 x 610
20 x 30
508 x 762
22 x 22
559 x 559
22 x 30
559 x 762
22 x 36
559 x 914
24 x 24
610 x 610
24 x 30
610 x 762
24 x 36
610 x 914
24 x 48*
610 x 1219
30 x 30*
762 x 762
30 x 36*
762 x 914
32 x 32*
813 x 813
36 x 36*
914 x 914
36 x 48*
914 x 1219
48 x 48*
1219 x 1219

All access panels and access doors are hinged on the second dimension (height).
*Exceeds maximum size to carry a Warnock Hersey label in ceilings.
Interior latch release mechanism is standard.



Visit www.Nystrom.com for downloadable shop drawings and 3-part CSI specifications:
www.Nystrom.com/

Nystrom Building Products
9300 73rd Ave N • Brooklyn Park, MN 55428
Phone: 800.547.2635
Fax 800.317.8770
Email: info@Nystrom.com
Website: www.Nystrom.com

Your complete source for access doors & panels, roof hatches, smoke vents, floor doors, expansion joints, and louvers. Nystrom – Right To Site