Conference XC20125

35.0" Height

20.25" Width

26" Depth

20" Seat Width

18.5" Seat Height

16.0 lbs. Weight

8 high Stacks

1.1 yrds. C.O.M. Req.

Product Overview

With its generous 20” wide seat and relaxed design the Conference™ XC20125 is the chair your conference guest will gladly sit in all day long. These conference stackers feature the Flex-Fit™ seat, the Fit-Tight™ fastening system with BosScrew™ technology, and the award winning Ergo-V back. Combined they provide ultimate comfort, unmatched innovation, enduring elegance, and rock-solid durability. When you’re ready to consider your next purchase of conference seating, look no further than the Conference stacker XC20125; it’s sure to revolutionize the seating industry.

Technical Specs

Frame Construction:

Back Sub-frame:

3/4" 16 gauge square steel tubing, flux-cored arc welded and mandrel-formed assembly.

Seat Sub-frame:

Seat Sub-frame: 3/4" 16 gauge square steel tubing, flux-cored arc welded, mitered and mandrel-formed loop assembly with rear support bar.

Seat Rolled for Comfort


Semi-mitered 1" 17 gauge radius edged square tubing for 6% more strength than standard 1" 16 gauge square tubing.

Stack Bars:

None. Stacks leg on leg, 8 high.

Torsion Bars:

5/16” diameter solid steel torsion rods for superior vibration absorption.

Steel Tubing:

    Meets ASTM A-1008-03-CS-TYPE B/SAE-1010-AK
  • 16 gauge wall thickness of .060" +/- 10%.
  • 17 gauge wall thickness of .054" +/- 10%
  • 18 gauge wall thickness of .048" +/- 10%


28+ individual MIG welds

Bertolini Inc. frames are made from the strongest American steal in the seating industry. Frames are randomly tested for quality and durability. Bertolini exceeds all ANSI/BIFMA requirements. Bertolini regularly test to three or four times BIFMA standards to ensure the best in quality and performance.

Self-Tightening BosScrew™

Back Construction:

Back Attachment:

A slide-on Ergo-V back with multi-contoured V shape that supports the lower back while gently cradling the upper shoulders.

Inner Back:

Ergo-V with 1.5" thick 1.2 LB/CU.FT., flame retardant polyurethane foam. Meets CAL-117-2013 requirements.

Ergo-V Back

Seat Construction:

Flex-fit blow molded seat made from post-industrial recycled plastic for the most environmentally friendly conference chair on the market. Seat offers double the break strength of a traditional wood or wood/webbed seat base while still offering a flexible base for comfort and foam life. Seat offers 1.5" of 3 LB/CU. FT. Density and ILD of 50 Lbs commercial grade American foam. Meets CAL-117 requirements.

Innovative Flex-Fit™ Seat



Four Clear, Non-Corrosive, Ribbed and Double Booted Rocker Glides offered exclusively by Bertolini Inc. Self-leveling rocker glides eliminate the common failures of swivel-glides and are backed by a lifetime replacement guarantee.

Stack Buttons:

Friction-fit, non-rigid polymer stack buttons providing non-marring stacking assistance and support.

Variations to this Model include:

  • XC20125A: with arms
  • XC20525: flexback
  • XC20105: inner back cushion without cutaway lumbar


20 Year Structural Frame Warranty, 10 Year Component Warranty. Glides for Life of your chair.

Often specified with these accessories:

  • Handholds:

    For additional handling ease on select models.

  • Bookrack

    Accessible from the rear with two-book capacity.

  • Retractable Interlocks

    These interlocks can be retracted to hide away when not in use.


Longest Conference Chair Warranty in the Industry

20 years structural and 10 years components.

Maximum ROI for Your Property

We've brought together the Industry's Strongest Conference Chair Frame, zero maintenance seat and longest warranty to provide you with maximum return on investment.

Sustainability Profile

A Banquet Chair that is Built and Sourced Locally in the USA:

Quality built in the USA for a chair that lasts longer and needs replacing less often; locally sourced with components such as recyclable USA steel, bio-based foam cushioning, and 30+% post industrial recycled seat polymers.

Read more about our sustainability efforts...


Available Downloads for this Product

Download Our Banquet Chair Overview(PDF)

Download Specifications Sheet(PDF)

For a complete list of all available downloads visit our Download Page.