Slab-on-Grade Screed Chairs for Precision Elevation Control

Repeatable setup. Verified field performance.

Made in the USA

Fast setup. Accurate and repeatable process. Compatible with hand or laser setups. Designed for contractors who need speed without sacrificing flatness. MAKO Screed Chairs are engineered stay-in-place supports designed for slab-on-grade construction requiring precise elevation control and repeatable screed rail alignment.

BEST FOR: Slab-on-grade, slopes, embankments, bridges, super flat floors

	SYSTEM	SCREED TYPE	KEY COMPONENTS
SHOP NOW	FinCap Screed Chair + Driver	Screed Pipe: 1-1/2"ID Optional: 1.1/4" or 2" pipe	FinCap + Driver + mounting structure How to Setup Installation Video
SHOP NOW	JAWS Small + Driver	2x4 Wood Lumber or Rails up to 1.5" Structural Elements	JAWS Small + Driver + mounting structure   How to Setup
SHOP NOW	JAWS Large + Driver	1.5" – 2.0" Rails Structural Elements	JAWS Large + Driver + mounting structure   How to Setup
SHOP NOW	JAWS RailFin	1/4" flat rolled steel rail	RailFin + mounting structure Not compatible with MAKO Driver How to Setup

 

MAKO DRIVER	The Heart of Precision Elevation Control
SHOP NOW	HOW TO USE: Draw string line to finished elevation. Insert mounting structure into screed chair. Drive until marker aligns with string line. Move to next chair. Repeatable. Accurate. Fast. Eliminates elevation guesswork. Ensures consistent screed support height every time Installation Video

 

Its patented internal “fins” in each MAKO screed chair hug the mounting structure so the chair will not bounce off rebar or rod during concrete placement.

SPECIFICATIONS:

Packaging: 100 pieces per bag - Approximately 3,000 sq ft coverage per bag

Spacing: Typically every 3-4 feet (1 meter) depending on screed weight, pour span and subgrade. Always test conditions prior to placement.

Mounting Structure Compatibility: 3/8" to 5/8" - 1/2" is ideal, rebar #3, #4 & #5, 1/2" Coil Rod, 1/2" Threaded Rod, PVC, GRFP, Conduit, Stakes, Dowels and more.

Load Capacity: Up to 1,000 llb

Material: Impact-resistant medical grade polypropylene

Minimum Slab Thickness: Varies by chair and mounting structure

Country of Origin: Made in USA

Why Do Contractors Choose MAKO Screed Chairs?

✔ Stay-in-Place Design
No removal. No patching. No callbacks.

✔ Patented Internal Fin Technology
Internal fins grip mounting structure to prevent bounce during placement.

✔ Fast, Repeatable Setup with MAKO Driver
Eliminates guesswork.

✔ Field Proven Performance
Used on infrastructure, industrial, super flat, and DOT projects.

Compliance, Approvals & Patents

• Standards: ACI 302.1R-04, ACI 117, ASTM E1155
• Approvals: Iowa DOT approved (other states pending)
• Patents: 8,096,182 | 8,544,182 | Patent Pending

Designed For:

• Slab-on-grade construction
  
• Sloped Slabs
• Embankments 
• Bridge and infrastructure projects
• Super flat floors requiring FF/FL compliance