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  • No. 4 Steel Platform

A New Standard...

Very quickly the No. 4 fixed seating chair platform has become a heavily-specified favorite for auditoriums, arenas, places of worship, and lecture halls. Its durability, flexibility, and available options make it well-suited for many facilities.


  • Rearward angled column is a formed 14 gauge steel tube with an integral back wing plate
  • Floor mount foot is formed from 12 gauge steel
  • Riser mount foot is a 1/4" thick steel plate
  • Formed 7 gauge steel seat landing bracket
  • All column components are robotically welded for superior durability
  • Center and open-end aisle standards are equipped with an engineered polymer armrest support


  • Available with all backs except 406, 408, 505 & 507 models
  • Available with Nos. 12, 14, 15 & 21 seats
  • Available in 19”, 20”, 21”, 22”, 23” & 24” chair widths
  • Available for level, A, B & D incline floor mount
  • Available for six riser mount heights


  • Available in all 15 standard powder coat colors
  • Polymer armrest support available in 15 standard colors
  • Available with self-storing writing tablets
  • Available with cupholders
  • Available with flexible foot shrouds

Case Studies

One Family Church / St. Louis, MO

West Side Christian Church / Springfield, IL

Illinois Campus Instructional Facility / Urbana, IL

ETSU Martin Center / Johnson City, TN

East Tennessee State / Johnson City, TN

Lakeside Middle School / Lexington, SC

White Knoll High School / Lexington, SC

Southeast High School / Springfield, IL

Russell House / Columbia, SC

Church of the Eleven 22 / Jacksonville, FL

Fulton County Assembly Hall / Atlanta, GA

Campbell High School / Smyrna, GA

MTSU Concrete & Construction Mgt / Murfreesboro, TN

FirstBank Stadium / Nashville, TN

Owensboro Christian Church / Owensboro, KY

Breckenridge County High School / Harned, KY

Northview High School / Grand Rapids, MI

The Academy at Shawnee / Louisville, KY

Mesa Arts Center / Mesa, AZ

Community Learning Center / Kendallville, IN

Dickies Arena / Fort Worth, TX

Fiserv Forum / Milwaukee, WI

Germantown High School / Germantown, WI

Chase County High School / Cottonwood Falls, KS

Brown County Music Center / Nashville, IN

McFarland High School / McFarland, WI

Edgewood High School of the Sacred Heart / Madison, WI

Denmark High School / Denmark, WI

Northern Sky Creative Center / Fish Creek, WI

Beaver Dam Community Theatre / Beaver Dam, WI

United Methodist Church of the Resurrection / Leewood, KS

Target Center / Minneapolis, MN

VCU Student Commons Building / Richmond, VA

VCU College of Health Professions / Richmond, VA

Collegiate School / Richmond, VA

Elon University, Schar Center / Elon, NC

Valdosta State University / Valdosta, GA

Tift Co. High School / Tifton, GA

Hume-Fogg Magnet High School / , TN

Phoenix Raceway / Avondale, AZ

Shepherd Church / Porter Ranch, CA

UCLA Boelter Hall / Los Angeles, CA

UCLA Engineering VI / Los Angeles, CA

Tahoma High School / Maple Valley, WA

Sage Hills Church / Wenatchee, WA

Sage Creek High School / Carlsbad, CA

Rancho Cucamonga HS / Rancho Cucamonga, CA

Brown Chapel / Point Loma, CA

Los Angeles Mission College / Sylmar, CA

La Mirada Theatre / La Mirada, CA

Kings Academy / Sunnyvale, CA

California State University, Fresno / Fresno, CA

Lee Planetarium / Prescott, AZ

Daybreak Church / Carlsbad, CA

California State University, Sacramento / Sacramento, CA

Bremerton High School / Bremerton, WA

Thomas Aquinas College / Santa Paula, CA

American Leadership Academy / Gilbert, AZ

VCU Temple Building / Richmond, VA

Westminister Council Chambers / Westminister, CO

Monterey High School / Lubbock, TX

Wylie Performing Arts Center / Abilene, TX

Texas A&M, Halbouty Hall / College Station, TX

CSU Canvas Stadium / Fort Collins, CO

Windsor High School / Windsor, CO

CNM Smith Brasher Hall / Albuquerque, NM

UTSA / San Antonio, TX

Weiss High School / Pflugerville, TX

Blinn College / Bryan, TX

Texas A&M, Blocker Hall / College Station, TX

British International School / Katy, TX

Furr High School / Houston, TX

Mobberly Baptist Church / Longview, TX

Briscoe Carpenter Livestock Center / Dallas, TX

VCU Egyptian Building / Richmond, VA

Johns Hopkins University, Turner Auditorium / Baltimore, MD

Horace Greeley HS / Chappaqua, NY

H Frank Carey HS / Floral Park, NY

Goucher College / Baltimore, MD

Crossroads Church / Mason, OH

Archbishop Spaulding High School / Severn, MD

Little Caesars Arena / Detroit, MI

NYCB Live - Nassau Coliseium / Uniondale, NY

Minskoff Theatre / New York, NY

Wall Street Theatre / Norwalk, CT

Forman School / Litchfield, CT

Koumantzelis Auditorium / Boston, MA

Scituate Middle School / Scituate, MA

Class of 1965 Arena / Hamilton, NY

Greece Central Performing Arts Center / Rochester, NY

Kenmore West High School / Buffalo, NY

Beachwood High School / Beachwood (Cleveland), OH

Mount Vernon High School / Mount Vernon, IL

Venice High School / Venice, FL

USC Darla Moore School of Business / Columbia, SC

Stephen J. O'Connell Center / Gainesville, FL

The Father's House / Vacaville, CA

Suncoast Credit Union Arena / Fort Myers, FL

Pavilion at Ole Miss / Oxford, MS

Montverde Academy / Montverde, FL

Lyric Theatre / Birmingham, AL

Liberty Bowl / Memphis, TN

Highland Park Baptist / Muscle Shoals, AL

Golden 1 Center / Sacramento, CA

First Baptist Church of Jacksonville / Jacksonville, FL

Davis Academy / Atlanta, GA

Coosa High School / Rome, GA

Littlejohn Arena / Clemson, SC

Branford High School / Branford, FL

Miller Center for Musical Arts / Holland, MI

Hudsonville High School / Hudsonville, MI

UNC Lacrosse Team Room / Chapel Hill, NC

Xcel Energy Center / Saint Paul, MN

U.S. Bank Stadium / Minneapolis, MN

Panther Arena / Milwaukee, WI

Williston High School / Williston, ND

Ramsey Middle School / Minneapolis, MN

MTS Centre / Winnipeg, Manitoba, IT

4 Bears Casino & Lodge / New Town, ND

Marquette University, Weasler Auditorium / Milwaukee, WI

Christian Education Leadership Academy / Pewaukee, WI

West Bend High School / West Bend, WI

Liberty Hill High School / Liberty Hill, TX

Geffen School of Medicine at UCLA / Los Angeles, CA

Ventura College / Ventura, CA

S.J. Quinney School of Law / Salt Lake City, UT

Baxter Arena / Omaha, NE

UC Berkeley, Hearst Hall / Berkeley, CA

San Jose State University, Uchida Hall / San Jose, CA

The Forum / Inglewood, CA

San Jose State University, Spartan Complex / San Jose, CA

Phoenix Theatre / Phoenix, AZ

Las Vegas Motor Speedway (suites) / Las Vegas, NV

Lesher Center / Walnut Creek, CA

Grand Canyon University Arena / Phoenix, AZ

Coachella High School / Thermal, CA

Cordova High School / Rancho Cordova, CA

Crossing Church / Las Vegas, NV

Carbon County Administration Building / Price, UT

Brigham Young University, Martin Building / Provo, UT

Bonita Valley Community Church / Bonita, CA

Bayside Church / Roseville, CA

Northwoods Church / Peoria, IL

Steel Creek Church / Charlotte, NC

Mishawaka First Baptist / Mishawaka, IN

Calvary Church / Naperville, IL

North Heartland Community Church / Kansas City, MO

Kroc Center / Norfolk, VA

Harvest Bible Chapel / Spring Lake, MI

Verizon Wireless Arena / Mankato, MN

Amalie Arena / Tampa, FL

PPl Center / Allentown, PA

Madison Square Garden / New York, NY

Greensboro Coliseum / Greensboro, NC

Clowes Memorial Hall of Butler University / Indianapolis, IN

Bass Concert Hall / Austin, TX

Texas State University, Performing Arts Center / San Marcos, TX

Tomball Performing Arts Center / The Woodlands, TX

Don P. Pence Center / Coolidge, AZ

Arkansas Reparatory Theatre / Little Rock, AR

Perot Museum of Nature & Science / Dallas, TX

National Air & Space Museum / Washington, DC

Independence High School / Frisco, TX

Trotter Middle School / Dorchester, MA

River Bluffs High School / Lexington, SC

Perry Elementary School / Shoemakersville, PA

Independence High School / Independence, IA

San Leandro HS / San Leandro, CA

Jackson Preparatory School / Flowood, MS

HB Plant High School / Tampa, FL

Essex High School / Tappahannock, VA

Dover High School / Dover, DE

Burnsville High School / Burnsville, MN

Brunswick High School / Brunswick, GA

Bryn Mawr Film Institute / Bryn Mawr, PA

UNCC Jerry Richardson Stadium / Charlotte, NC

Baylor University, McLane Stadium / Waco, TX

SMU Moody Coliseum / Dallas, TX

PSU Pegula Ice Arena / State College, PA

Georgia Tech McCamish Pavilion / Atlanta, GA

Tucker Civic Center / Talahassee, FL

University of Michigan Crisler Center / Ann Arbor, MI

University of Wisconsin, Department of Kinesiology / Madison, WI

University of Texas, CMA Building / Austin, TX

UNC Center for Genome Sciences / Chapel Hill, NC

University of Houston Student Center / Houston, TX

UGA Special Collections Library / Athens, GA

UC Berkeley Calvin Lab / Berkeley, CA

Pearl River CC Brownstone Center / Poplarville, MS

Polk State College Fine Arts Center / Winter Haven, FL

Milligan College / Elizabethton, TN

Miami University, Kreger Hall / Oxford, OH

IUSB Recital Hall / South Bend, IN

Harvard University Bio Lab / Cambridge, MA

Duke University, Fuqua School of Business / Durham, NC

Carroll University / Waukeesha, WI

Towson University SECU Arena / Towson, MD

Barbara Mann PAC / Fort Myers, FL


Foot Shrouds

Writing Tablets for No. 4 Chair Platform

E-Link for Auditorium Seating

LP1 and LP2 Bronze Plates

LP6-P & LP9 Aluminum Plates

Donor Plates

Focal LED Aisle Light

Beacon LED Aisle Light

Concealed LED Aisle Light

Transfer Arm

Swing Away Aisle Panel

Movable Base

Rear Cupholder