36 x 36 Sound Rated Access Door – WB STC 650 Series


This durable, insulated flush access panel for wall and ceiling installation is perfect for areas where sound transmission needs to be eliminated such as multi-family buildings, schools, hospitals, apartments, and even residential use. Featuring an acoustically insulated, 20 gauge galvanized steel door and 16 gauge frame with a white baked, paintable enamel finish, the WB STC 650 is considered the best and only sound rated access door on the market. Specified by architects world-wide, this sound rated access panel is independently tested in accordance with ASTM: E1332, ASTM: E90, and ASTM: E413 with a sound rating of STC 64 with proper installation. MADE IN USA.

Most Orders Ship Same or Next Day!

Model #

WB STC 650 36X36


WB STC 650

Door Size (WxH)

36" x 36"

Rough Opening (WxH)

36 3/8" x 36 3/8"

Number of Latches


Shipping Weight

29 lbs.


20 Gauge Steel

Frame & Trim

16 Gauge Steel, 1" Wide Flange


White Baked Enamel, Paintable Surface


Compression Latch Finished in Chrome with Cup Sealed Gasket, Keyed


Continuous Piano Hinge (allows opening to 180°)


Neoprene Between Door and Frame, 3/8" Wide x 1/8" Thick


Acoustical Insulation, 2 3/8" x 1/8" Thick


Walls, Ceilings

Finish Options

Stainless Steel, Custom Colors

Custom Sizes

Available on Request

WB STC 650 Series Access Door Dimension Drawing