Allseating Chiroform Big Highback Chair

Availability: Usually ships between to 2 to 3 weeks
Current Stock:
Chair Fit: Average Chair Fit: Tall Max Weight: Up to 500 lbs
Width: 29.00 (in)
Height: 50.00 (in)
Depth: 29.00 (in)
SKU: Ultra-Task-B-HB
--> Full Description

Features & Benefits:

Introducing the Chiroform Big Chair by All Seating. This is a chair with strength that lasts the tests of time. Ideal for task-intensive environments, its fully contoured, and the double-curve backrest offers superb lumbar support. The Allseating Chiroform Big Chair provides durable construction and can support individuals weighing up to 500 pounds. It features a high density molded foam seat, 6 ply Canadian maple seat pan, double curve backrest, and t-nut construction to provide superior support.

Allseating Chiroform Big Chair Features:

  • Sturdy Construction - Sturdy Construction built to survive even the toughest of users
  • Arm Option - Choose to either have no arm or an Adjustable Deluxe Loop Arm
  • Add-On Options - add-on options available such as seat slider, CAL-TB133 Fire Proofing
  • Cushion Features - Energy Absorbing Seat Foam is standard on the Chiroform Big
  • Fabric Options - Choose between 200+ fabric options
  • Warranty: 10 year comprehensive parts and labor, with weight limit of 500 lbs. Allseating Warranty Infromation

Allseating Chiroform Big Chair Specifications:

Overall dimensions:

29"W X 41.5"-51.5"H X 29"D

Back Height:

Back Width: 21.5"
 24"W x 19.5"-24.5"H
 Weight limit: 500 lbs
Box dimensions:  41"H X 30”D X 30”W
Weight:  lbs








Why We Like It -

  • Good for extended use
  • Durable Construction
  • Offers a lot of options to choose from

This is Good For -

  • up to 500 lbs
  • Good for someone that is looking for a durable & stylish chair

Allseating Chiroform -Chair Eco Impact

- PBDE free foam
- Buy back / take back program
- up to 95% recyclable
- Greenguard certified
Dowload the Allseating Presto Highback Chair Brochure Allseating Chiroform Series Chair Brochure



Allseating Chiroform Big Chair Fabrics

All Seating Fabrics -  (Please click on thumbnails below to view all colors and specifications in that fabric category).  A .PDF file will open showing ALL colors in that specific fabric group.

** You can download, save, and/or print swatches. **


All Seating Fabrics - Group 1


All Seating Fabrics - Group 2 & 3All Seating Fabrics - Group 2 & 3

All Seating Fabrics - Group 2 & 3clip-fabric-essentials-group2-1.jpg



 clip-faux-leather-and-vinyl-card-0-2.jpgAll Seating Fabric - Whisper Vinyl 

** Additional Fabrics are available please contact us for more information.


Allseating Chiroform Big Chair Adjustment

++ Deluxe Tilter Heavy Duty [11]

** Allseating Chiroform Big Chair is only available with the Heavy Duty Mechanism

Task application which require extensive adjustability. Center pivot tilting action with infinite tilt lock. Suitable for chairs with independent seat and back construction. Standard Cylinder 5.5".


** Click on image for details of the  mechanism and how it works.

++ Allseating Chiroform Big Chair Options

  • SS - Seat Slider + $45.00 

  • CL - CAL TB133 + $55.00

++ Allseating Chiroform Big Chair Caster Options

The AllSeating Presto Chair comes standard with Carpet Casters. Additional casters are available at additional charge:

  • Heavy Duty Carpet Caster - Included

  • Heavy Hard Surface Casters + $20.00

++ Allseating Chiroform Big Chair - Arms Options

Choose from the following Arm Options:

  • No Arm

  • Adjustable Loop Arm + $65.00