Made in the USA • Patented • Proven Worldwide
What Is the FinStand?
The Adjustable FinStand® is a stay-in-place concrete form support designed to hold FinCap® and all JAWS® screed chairs when setting grade for elevated slabs on wood or metal decks.
It accepts 1/2"-13 threaded rod and provides up to 1-3/4" (45 mm) of vertical adjustment for precise slab elevation control.
Designed For
- Slab-on-metal deck construction
- Slab-on-wood deck construction
- Bridge decks and infrastructure projects
- Power plant and waterway concrete pours
- Super flat floor construction (FF/FL compliance)
- Structural anchor bolt and threaded rod positioning
Complies with ACI 302.1R-04, ACI 117 and ASTM E1155. Iowa DOT approved.
Key Specifications
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Product Number: 08244STND
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Overall Height: 1.75"
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Base Width: 2.25"
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Threaded Opening: 0.75"
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Accepts: 1/2"-13 all-thread rod
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Vertical Adjustment: 1.75" using nut and washer
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Load Capacity: Up to 800 lbs (nylon rod) / 1,000 lbs (steel rod)
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Material: Impact-resistant medical grade polypropylene
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Coverage: 100 FinStands per bag (approx. 3,000 sq ft / 278 m²)
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Installation: Secure to wood deck with nails or to metal deck with #8 or #10 tek screws
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Compatibility: FinCap®, JAWS Large, JAWS Small, JAWS RailFin
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Country of Origin: Made in USA
Patented: 8,096,182 | 8,544,182 | Additional patents pending.
How It Works
- Secure the FinStand to wood deck using nails or to metal deck using tek screws.
- Insert 1/2"-13 threaded rod (nylon or steel).
- Adjust height using nut and washer (up to 1.75" vertical adjustment).
- Attach FinCap or JAWS screed chair.
- Set screed rail and pour concrete.
The FinStand remains in place after the pour as a stay-in-place form.
Spacing Guidelines
Place a FinStand approximately every 3–4 feet depending on soil conditions, screed weight, placement method, and tolerance requirements.
Common Applications
- Elevated slabs
- Slab-on-grade with vapor barriers
- Roads and bridge decks
- Finish grading
- Irregular or thick slabs
- Anchor bolt positioning
- Structural threaded rod support
Frequently Asked Questions
What size threaded rod works with the FinStand?
The FinStand accepts 1/2"-13 threaded rod. Nylon rod can be cut on site. For slabs thicker than 8", steel threaded rod is recommended.
Can FinStand be left in the slab?
Yes. The FinStand is a stay-in-place form made of medical grade polypropylene and will not corrode.
How much weight will the FinCap + FinStand support?
Up to 800 lbs using nylon all-thread and up to 1,000 lbs using steel all-thread.
Can it be used with vapor barriers?
Yes. The FinStand and Base Plate 4.5 were designed for use with vapor barriers and may be integrated in accordance with ASTM E1643-09 and ACI 302.2R-06 guidelines.
What screeds can be used with the MAKO system?
Roller, hand, vibrating, truss, laser, or power screeds can all be used with MAKO Screed Support Systems.
Downloads
FinStand Product Data Sheet
