Skip to product information
Usually ships in 2–4 business days.
Fast 2K Post Anchor Mix Expanding Foam Concrete Alternative for Post Install 2 Pack
$116.59
Sale price
$116.59
Regular price
Available to Order
This Fast 2K Post Anchor Mix is a high-strength expanding foam concrete alternative for setting fence posts, mailbox posts, and sign posts.
Need help finding the right part? Talk with a parts expert today.
Parts Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT
Live Chat: Available 24/7
I needed a forklift part and wasn’t sure which one fit. They asked for the model and serial number, got back to me quickly, and made sure I ordered the right one. Really helpful.
Randy W. — Verified customer
Product Overview
The Fast 2K Post Anchor Mix provides a rapid-setting, durable foam alternative to traditional concrete for installing posts. This two-part expanding foam mix expands to fill voids and hardens within minutes, making it ideal for DIY and professional post installation projects. It eliminates the need for mixing heavy concrete bags and reduces installation time significantly.
Key Features & Performance
- Expands up to 2x its volume to fill the hole and lock the post in place
- Sets in 20���40 minutes, weather permitting
- No mixing tools required ��� just pour and activate
- Lightweight compared to concrete ��� easier to transport and handle
- Resists shifting, heaving, and water damage
Common Uses
- Installing wooden fence posts
- Setting mailbox posts and sign posts
- Securing deck support posts and light poles
- Replacing loose or broken concrete around existing posts
Technical Specifications
- Type: Two-part polyurethane expanding foam
- Set Time: 20���40 minutes (temperature dependent)
- Full Cure: 2���4 hours
- Quantity: This listing includes 2 units
Frequently Asked Questions
Q: How much does each unit cover? A: Each unit expands to fill approximately 1 cubic foot of void, suitable for a standard 10-inch diameter post hole.
Q: Can this be used in wet soil? A: Yes, it can be used in damp conditions, but standing water should be removed before application.
Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.