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Sika Sikarepair 224 50lb Bag 91138
SikaRepair-224 is a one-component silica-fume fiber-reinforced structural repair mortar in a 50 lb bag for horizontal, vertical, and overhead concrete. It places by hand trowel or low-pressure spray on bridges, plants, and parking decks.
- Silica-fume fiber-reinforced structural repair
- Hand trowel or low-pressure spray placement
- 4,500 psi compressive strength in 1 day at 73 F
$66.00
SikaRepair-224
SikaRepair-224 is a one-component, cementitious, silica-fume enhanced, fiber-reinforced structural repair mortar for hand trowel or low-pressure spray. This 50 lb bag covers horizontal, vertical, and overhead work; for a faster vertical/overhead patch, see SikaRepair-223. Compressive strength reaches 4,500 psi in 1 day and 10,000 psi at 28 days at 73 F.
Key Features
- One-component cementitious structural repair mortar
- Silica fume enhanced and fiber reinforced
- Hand trowel or low-pressure spray application
- Horizontal, vertical, and overhead installations
- 4,500 psi at 1 day and 10,000 psi at 28 days at 73 F
- NSF/ANSI 61 compliant for potable water contact after cure
Applications
- Works for grade-level, above-grade, and below-grade concrete repair
- Spall repairs and overlays on flat work
- Vertical and overhead surface repairs
- Water and wastewater plants, parking facilities, bridges, and tunnels
Technical Specifications
| Property | Value |
|---|---|
| Manufacturer | Sika |
| Product | SikaRepair-224 |
| Type | One-component structural repair mortar |
| Pack | 50 lb bag |
| Color | Dark gray powder |
| Compressive strength 1 day | 4,500 psi at 73 F |
| Compressive strength 28 days | 10,000 psi at 73 F |
| Application time | Approximately 30 minutes |
| Application temperature | 40 F to 95 F |
| Neat yield | 0.40 ft3 per bag |
| Approval | NSF/ANSI 61 after cure |
| MPN | 91138 |
Product documents: SikaRepair-224 PDS (PDF)
Frequently Asked Questions
What repairs is SikaRepair-224 used for?
Structural repair of concrete at grade, above grade, and below grade. Typical work includes spalls on flat decks, vertical and overhead patches, and plants, parking structures, bridges, and tunnels.
What application methods does SikaRepair-224 support?
Hand trowel placement and low-pressure spray. It is designed for horizontal, vertical, and overhead installations.
What compressive strength does SikaRepair-224 reach?
At 73 F and 50% RH it reaches 4,500 psi in 1 day, 8,000 psi in 7 days, and 10,000 psi at 28 days by ASTM C109.
What layer thickness does SikaRepair-224 allow?
Neat mixes run 3/8 in minimum. Maximum per lift is 2 in vertical, 1-1/2 in overhead, and 4 in when extended with aggregate.
What potable-water approval does SikaRepair-224 hold?
It is NSF/ANSI 61 compliant for potable water contact after cure (UL FDNP.MH17464).
What application time does SikaRepair-224 provide?
Approximately 30 minutes at standard conditions. Higher temperature shortens working time and slump; cooler weather extends it.
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