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PHCA10-18.5*

PHCA10-18.5*

PHCA3-5.5

PHCA3-5.5

PHCA6-10.5

PHCA6-10.5

Adjustable Unichair®

Description

The OCM Adjustable Unichair ® is a versatile and very strong polymer composite support that uses three individual chair/Holder Assemblies to accommodate 3" to 18-1/2" heights.

Features

  • Base is internally threaded to accommodate a coil threaded cradle.
  • Polymer Composite Threaded Cradle has the exact height molded into the threaded rod to ensure the proper height is achieved.
  • Dual cradle head allows for 2 different heights 1/2" apart.
  • Tapered footprint for minimal surface contact on wood decks.
  • Chair can be used for many applications for rebar/mesh, post tension strand, and ledger supports in tilt walls and precast panels.
  • Ideal solution for sloping slabs/roofs or curved panels.
  • Direct replacement for Metal Screed Chair in Bridge Deck applications.
  • Removable Cradle can be replaced with steel Pipe Holder.

Filters Sort results
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OCM Part Number
Thread Dia. (in)
H - Base Height (in)
L - Cradle Length (in)
Cradle Opening (in)
Height Range (in)
Load Test at Min. Height (lbs)
Load Test at Max. Height (lbs)
Get a Quote
PHCA3-5.5
1/2" 
2.56"
4.33"
1.19"
3" - 5-3/4"
2,088
535
Quote
PHCA6-10.5
3/4"
5.17"
6"
1.26"
6" - 10-1/2"
1,565
472
Quote
PHCA10-18.5*
3/4"
9.17"
9"
1.26"
10" - 18"
1,584
300
Quote

Additional Notes: Recommended maximum height of 14” for the PHCA-10-18.5 due to lateral loading conditions that can place excessive torque and bending forces on the plastic coil thread.