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Solar Panel Ballast Block


The Solar Panel Ballast Blocks provided by RCP Block & Brick are a durable and simple way to add ballast weight to your solar panel array. Trusted and used by professional solar energy system installers and designers where concrete ballast block are required. 

These solar ballast block units are manufactured in a standard 4"x8"x16" nominal size. Each solar ballast block weights approximately 32lbs. These solar ballast block adhere to the same structural ASTM C90 specifications as all other RCP Block & Brick manufactured concrete block units; as well as ASTM C1884 for concrete ballast blocks.

We make it easy with simple ordering and ability to deliver directly to your jobsite.  

For information or to request a quote: (800) 794-4727 or email@rcpblock.com

  • Excellent for most solar panel arrays requiring ballast
  • Weight of 32lbs each
  • 3,000 psi compressive strength
  • Conforms to ASTM C90 and ASTM C1884 specifications
  • Direct jobsite delivery available
Solar Panel Ballast Block Concrete Block unit


Product Specifications

The RCP Solar Panel Ballast Block have a minimum 3,000psi compressive strength; conform to ASTM C-90 specifications for load-bearing, medium weight masonry units; and ASTM C1884 specifications for concrete ballast blocks. Actual size: 3.625" x 7.625" x 15.625"


Solar Panel Ballast Block Concrete Block unit

Unit Specs
Width: 4"
Height: 8"
Length: 16"
Weight: 32lbs

NOTE: Sizing is nominal.



Available Colors

NOTE: Colors may vary compared to what is displayed online. To ensure satisfaction, please request color chip samples by contacting RCP Block & Brick Architectural Support. Stocked in "Natural" color, yet available in any Precision Block color when a minimum order quantity is met.




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Questions? We Can Help.

(800) 794-4727

Chula Vista . Encinitas . Escondido . Lemon Grove . Murrieta . Santee