PolyBase 18″ Round Crawl Space Support Precast Footer – 21000 Pounds Load Capacity – 43% Lighter Than Concrete Blocks

Description

Stronger, Lighter, and More Efficient

The PolyBase 18″ Round Crawl Space Support Precast Footer is a high-performance, precast foundation engineered for superior strength, durability, and ease of installation.

Designed to provide optimal support for sump pump systems and interior pier supports, this innovative base is now stronger, lighter, and more adaptable than ever.

Featuring a reinforced double carbon fiber matting and an advanced Pipe Pocket Design, the Polybase Crawl Space footer eliminates the need for a base plate—streamlining workflow and reducing costs.

Whether used for sump pumps, steel posts, or joist supports, this modular, corrosion-resistant foundation is the most durable and versatile precast footing in the industry.

Key Features & Benefits

• Engineered for Strength & Stability – Provides superior support for sump pumps and pier systems.
• Reinforced Double Carbon Fiber Matting – Increases load capacity for maximum durability.
• 43% Lighter than Concrete Blocks – Easier to transport and install without compromising strength.
• Pipe Pocket Design – Eliminates the need for a base plate, reducing costs and simplifying installation.
• Modular & Corrosion-Resistant – Designed for long-term performance in residential and commercial applications.
• Adaptable for Multiple Support Systems – Compatible with:
  • 2 7/8” Pipe
  • 4 X 4 Steel Post
  • 4 X4 wood post
  • 4 X 4 Joist
  • 2X4 Joist

Why Choose the 18-Inch Polybase?

Whether you’re stabilizing a sump pump system, reinforcing crawl space supports, or securing pier foundations, the Polybase offers unmatched durability and versatility.

Its lightweight, high-strength design ensures faster installations, reduced labor costs, and long-lasting structural support.

Resources

Crawlspace DIY Polybase Flyer

POWERPOST Load Charts