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GTI Sand Plates

GTI Sand Plates
Made in the USA

All GTI Bar Supports are 100% Made in the USA

GTI Sand Plates are designed to provide base support for GTI Composite Bar Chairs, GTI Composite High Chairs, and GTI Extended High Chairs when these bar supports are used for Slab-on-Ground and Insulated Precast Panels. The center of the GTI Sand Plate has a protrusion that digs into the soil as weight is applied incrementally increasing stability.

Primary Uses:

  • Slab-on-Ground
  • Insulated Precast Panels


  • See Table


  • Multiple sizes for all chair types

Production Applications:

  • DOT Department of Transportation
  • PC Precast
  • PT Post-Tensioned
  • SOG Slab-on-Ground
210001na1" - 4 3/4"
2080026 1/4" - 10"5" - 6"
216001 3/4" - 4 1/2"
2160024 3/4" - 8 1/2"
216003> 8 1/2"

See Patents for a listing of many of the patents licensed to GTI, including patents that may cover one or more of the products identified on this page.

Notice of exclusive terms and conditions: all sales or purchases by gti respectively incorporate and adopt gti’s standard terms and conditions of sale or purchase and the specific terms (e.g. delivery, price, quantity) of each specific transaction all as set forth in the controlling purchase order.

PROPER CARE AND USAGE: Do not leave GTI Bar Supports in the sun or in bright daylight for prolonged periods of time – composites, plastics, and bags may become brittle; the material used to manufacture GTI Bar Supports is physiologically safe and resistant against all acids and alkaline solutions used in the construction industry; do not apply oils, release agents, or similar products to GTI Bar Supports; under certain conditions small rupture may occur at the surface of concrete in the vicinity of GTI Bar Supports when too much oil or release agent is used on the formed surface – further causes may be poor cleaning of the concrete surface and improper use of primer when painting; GTI Bar Supports have been used world-wide in every climatic condition without complaint.