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Sika Loadflex-524EZ Joint Filler 20oz Cartridge 512007
Sika Loadflex-524 EZ is a two-component quick-setting semi-rigid polyurea control-joint filler in a 20 oz side-by-side cartridge, part 512007. Crews fill static interior saw-cut joints on warehouse and plant spot repairs and small-area work.
- Returns light traffic in approximately 15 minutes at 73 F
- Shaves clean from approximately 15 minutes through 24 hours at 73 F
- Protects joint edges under industrial wheel loads with even load transfer
$53.57
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Sika Loadflex-524 EZ - 20 Oz Cartridge
Sika Loadflex-524 EZ is a two-component quick-setting semi-rigid solvent-free polyurea control-joint filler in a 20 oz side-by-side cartridge, part 512007. Crews fill static interior horizontal saw cuts in warehouses and plants on spot repairs and small-area joint work. It transfers wheel loads across joint edges and keeps floors sealed against dirt and debris.
Key Features
- Two-component quick-setting semi-rigid solvent-free polyurea
- Side-by-side 20 oz cartridge dispenses 1:1 through a 30-element static mixer
- Light traffic in approximately 15 minutes; full traffic in approximately 30 minutes at 73 F
- Shave window approximately 15 minutes to 24 hours at 73 F
- Shore A approximately 80 to 85 with approximately 110% elongation
- Cures and returns traffic down to -13 F substrate temperature
Applications
- Fills static interior horizontal saw-cut and preformed control joints
- Seals warehouse and plant floors under industrial wheel loads
- Repairs interior slab shrinkage cracks saw-cut to at least 1/2 inch depth
- Supports spot and small-area joint fills where bulk kits are impractical
Technical Specifications
| Property | Value |
|---|---|
| Mix ratio | 1:1 by volume |
| Pot life at 73 F | Approximately 20 seconds |
| Light traffic at 73 F | Approximately 15 minutes |
| Full traffic at 73 F | Approximately 30 minutes |
| Shave window at 73 F | Approximately 15 minutes to 24 hours |
| Shore A (ASTM D-2240) | 80 to 85 |
| Shore D (ASTM D-2240) | 30 to 32 |
| Elongation at break (ASTM D-638) | Approximately 110% |
| Tensile strength (ASTM D-638) | Approximately 652 psi |
| Shelf life | 12 months unopened |
Product documents: Sika Loadflex-524 EZ Product Data Sheet (PDF)
Frequently Asked Questions
What spot jobs use Sika Loadflex-524 EZ - 20 Oz Cartridge?
Spot and small-area fills on static interior horizontal saw cuts and preformed control joints in warehouses and industrial plants, plus interior slab crack repairs saw-cut to at least 1/2 inch depth.
What mixer gel time does Sika Loadflex-524 EZ - 20 Oz Cartridge show once extrusion starts?
Material gels in the static mixer in approximately 15 seconds. Once extrusion starts, keep a steady flow without stopping; spare static mixers are available if a stop forces a change.
What cold-temperature traffic times does Sika Loadflex-524 EZ - 20 Oz Cartridge allow at -13 F?
Light traffic in approximately 60 minutes and full traffic in approximately 2 hours at -13 F. Substrate temperature should not be less than -13 F and rising at application.
What concrete age wait does Sika Loadflex-524 EZ - 20 Oz Cartridge need before joint fill?
For best results, wait 120 days or longer after initial concrete placement so most shrinkage has occurred and control joints are static. Refer to CSA A23.1 or ACI 302.1.
What coverage does one Sika Loadflex-524 EZ - 20 Oz Cartridge yield?
At 1/4 inch width by 1 inch depth, approximately 12 linear feet; at 1/8 inch by 1 inch, approximately 24.1 linear feet. Install to the full joint depth; charts are theoretical guides that need field allowance for profile and waste.
What tensile and bond values does cured Sika Loadflex-524 EZ - 20 Oz Cartridge reach?
Tensile strength approximately 652 psi, tensile modulus approximately 6525 psi, bond strength greater than 218 psi, and water absorption approximately 0.30% under ASTM D-570 at 73 F and 50% RH.
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