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Five Star Special Grout 400 49 lb Bag
Five Star Special Grout 400 is a non-shrink cement grout specifically formulated for grouting of cables and tendons requiring corrosion protection. Pumpable for tight clearances and shows positive expansion.
- Extended working time
- Two hour working time at 90 degrees
- Non-shrink
$66.60
Drop Shipped
Five Star Special Grout 400
Five Star Special Grout 400 is a cement-based, nonmetallic, non-shrink fluid grout for cables and tendons that need corrosion protection. Air Release technology, zero bleed, and a pumpable fluid consistency fill tight tendon ducts without aluminum powder. About two hours of working time at 90°F supports pressure placement into post-tensioned ducts, bridge cables, and precast joints.
Key Features
- Pumpable fluid grout for very tight clearances
- Non-bleeding, permanent void filling
- About two hours of working time at 90°F
- Non-shrink from the time of placement
- Air Release technology for dependable filling
- Formulated for corrosion protection of cables and tendons
Applications
- Corrosion protection of bridge cables
- Pressure placement into tendon ducts
- Post-tensioned structure grouting
- Non-shrink grouting between precast panels, walls, and beams
Technical Specifications
| Property | Value |
|---|---|
| Type | Cement-based non-shrink fluid cable grout |
| Working time at 90°F (32°C) | 2 hours |
| Compressive strength (1 / 7 / 28 day) | 3,500 / 7,000 / 8,500 psi |
| Bleeding at 4 hours | 0.0% |
| PTI Gelman filter bleed | 0% |
| Chloride permeability | < 1,000 coulombs (very low) |
| Early height change | Positive expansion |
| Hardened height change at 28 days | < 0.2% |
| Mixing water | Approx. 6 qt per 49 lb bag (max 6.5 qt) |
| Yield | Approx. 0.50 ft³ per 49 lb bag |
Product documents: Special Grout 400 Technical Data Sheet
Frequently Asked Questions
Is Five Star Special Grout 400 used to grout post-tensioned cables and tendons?
Yes. Five Star Special Grout 400 is a fluid, cement-based cable grout made for grouting cables and tendons that need corrosion protection, including pressure placement into tendon ducts.
Does Five Star Special Grout 400 meet PTI grouting specifications?
Yes. Five Star Special Grout 400 meets Post Tensioning Institute specifications for grouting post-tensioned structures, as well as the performance requirements of ASTM C1107 and CRD-C 621 for non-shrink grout.
How long can Five Star Special Grout 400 stay pumpable at 90 F?
Five Star Special Grout 400 is pumpable up to 2 hours at 90 F. That extended window is why it is used on long tendon-duct placements.
Is Five Star Special Grout 400 non-bleeding?
Yes. Five Star Special Grout 400 is non-bleeding and shows 0.0 percent bleeding at four hours when tested to the PTI-modified ASTM C940 method.
Does Five Star Special Grout 400 protect bridge cables from corrosion?
Yes. Five Star Special Grout 400 is formulated to provide corrosion protection of bridge cables while permanently filling voids.
Does Five Star Special Grout 400 shrink after it is placed?
No. Five Star Special Grout 400 is non-shrink from the time of placement and shows positive expansion when tested to ASTM C827. It does not contain aluminum powder.
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