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Fast 2K Post Anchor Mix Expanding Foam Concrete Alternative For Post Install 4

Original price $219.99 - Original price $219.99
Original price
$219.99
$219.99 - $219.99
Current price $219.99
This Fast 2K Post Anchor Mix is a two-part expanding foam that acts as a lightweight concrete alternative for installing posts. It comes in a pack of four cartridges, each mixing and expanding to secure posts firmly in the ground.

Product Overview

Key Features & Performance

  • Two-part polyurethane foam expands to fill voids around posts
  • Sets in under 30 minutes – faster than traditional concrete
  • Lightweight and easy to carry compared to bagged concrete
  • Provides high load-bearing capacity once cured
  • Water-resistant and freeze-thaw stable for outdoor use
  • Each cartridge yields approximately 0.67 cubic feet of expanded foam

Common Uses

  • Setting fence posts for wood or vinyl fences
  • Installing mailbox posts, sign posts, and light poles
  • Anchoring deck support posts and pergola posts
  • Replacing concrete in applications where digging is difficult

Technical Specifications

  • Type: Two-part expanding polyurethane foam
  • Yield per Cartridge: Approx. 0.67 cu. ft.
  • Set Time: 20-30 minutes (depending on temperature)
  • Full Cure Time: 2-4 hours
  • Pack Size: 4 cartridges

Frequently Asked Questions

Q: How deep should the hole be for this foam? A: For most fence posts, a hole depth of 24 inches and diameter of 8-10 inches is recommended.

Q: Is this foam safe for use near water tables? A: Yes, the cured foam is inert and non-toxic, making it safe for ground contact.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.

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