With its generous 20” wide seat and relaxed design the Conference™ C-25 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 C-25; it’s sure to revolutionize the seating industry.
3/4" 16 gauge square steel tubing, flux-cored arc welded and mandrel-formed assembly.
3/4" 16 gauge square steel tubing, flux-cored arc welded and mandrel-formed loop assembly with rear support bar.
Flex device constructed using composite pultrusion springs tested to over 1 million flex cycles. Everflex system included in structural warranty.
Million Cycle Everflex
1" 17 gauge radius edged square tubing for 6% more strength than standard 1" 16 gauge square tubing.
None. Stacks leg on leg, 8 high.
5/16” diameter solid steel torsion rods for superior vibration absorption.
- 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.
A slide-on Ergo-V back with multi-contoured V shape that supports the lower back while gently cradling the upper shoulders.
Ergo-V with 1.5" thick 1.2 LB/CU.FT., flame retardant polyurethane foam. Meets CAL-117-2013 requirements.
Exclusive Everflex flex-back system featuring 2 composite flex springs hidden under the chairs seat. Includes flex bumpers ensuring users a pinch-free experience. Surpasses all BIFMA requirements and standards. Cycle tested to over 1 million full flex cycles. Features dining pitch in upright position.
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 40 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.
Friction-fit, non-rigid polymer stack buttons providing non-marring stacking assistance and support.
Variations to this Model include:
- XC20125: without arms
- XC20525A: non-flexback
- XC20505: 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:
For additional handling ease on select models.
Accessible from the rear with two-book capacity.
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.
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.