Duopatch Two-Component Polymer-Modified Concrete Repair Mortar
【SpecChem】 Duopatch Two-Component Polymer-Modified Concrete Repair Mortar | Item Snapshot Uncategorized。
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1-Year + 180-Day Warranty
1-Year + 180-Day Warranty
So that you can buy with confidence, we provide a comprehensive warranty on every product.
- Warranty Period: This product comes with a 12-month standard warranty.
- Extended Warranty: Buy from our official website and you can register directly for the extended warranty, adding a further 180 days of coverage.
For more details, see the [Warranty Policy].
After your purchase, be sure to complete [Product Registration] to activate your warranty.
Free shipping
Free shipping
- Free Shipping:
All orders ship free of charge and usually arrive within 7 days. - 30-Day Return Guarantee:
If you are not satisfied, you may return or exchange the item within 30 days of delivery. - Shipping Protection (recommended):
For extra peace of mind, we recommend adding Seel Shipping Protection at checkout. With this coverage you can file a claim directly for shipping delays, loss or damage, and receive faster handling and stronger protection.
Please note that if shipping protection is not added, compensation is handled according to the carrier's rules and the applicable conditions. We are always happy to help with logistics inquiries, but the scope of compensation follows the carrier's policy.
For full details, please see the [Shipping Policy] and [Return Policy] pages.
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Features
Features
Specifications
Specifications
| Product Specifications | Value |
|---|---|
| Duopatch Two-Component Polymer-Modified Concrete Repair Mortar | |
| Model Number | 7405602144430 |
| Age Range | 5+ |
| Shipping | Free shipping |
| Delivery Time | 1–5 days |
Reviews (295)
Reviews (295)
Customer Reviews
Payment & Security
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Duo Patch is a two-component, polymer-modified concrete repair mortar versatile enough for horizontal, vertical, and overhead repairs
Duo Patch pairs a repair mortar with an admix to adapt to the job — flowable for large horizontal areas, or mixed stiffer for vertical and overhead work. It holds up well in industrial settings like warehouses, parking decks, and roadways subject to heavy loads and abrasion.
Key Features & Benefits
- Two-component system with integral corrosion inhibitor
- Adaptable consistency — flowable or stiff, depending on mixing
- Reaches 6,000-7,000 psi for high strength
- Natural concrete-gray finish that blends with surrounding concrete
- Excellent freeze-thaw durability and adhesion
- Suitable for repairs from featheredge to 2 inches thick
Application Instructions
- Ensure the concrete is clean and free of oil, grease, dust, laitance, and other contaminants
- Mechanically abrade to a minimum CSP of 3 per ICRI 310.2
- For heavy-load or high-traffic repairs, saw-cut a 1/4" recess around the perimeter for a thickened, reinforced edge
- Surface must be saturated-surface-dry (SSD) before application
- Mix 7.0-7.5 pints of Duo Patch Admix per 50 lb bag with a low-speed drill, adding powder gradually to the liquid, for 2-3 minutes
- For repairs up to 1" thick, apply directly (do not exceed 7 pints of admix for depths over 1/2")
- For repairs over 1", extend with up to 60% by weight (30 lbs) of clean, SSD 3/8" aggregate and mix 2 more minutes; place within 15-20 minutes
- Apply with a trowel, screed, or pour, screeding flush with the surrounding surface
- After initial set, hand trowel to match surrounding texture; SpecChem IntraFilm can be used as a finishing aid
Technical Data Summary
- Set Time (70°F, ASTM C266): Initial set ~40 minutes, final set ~50 minutes
- Compressive Strength (ASTM C109): 2,500 psi at 1 day, 4,000 psi at 7 days, 6,000 psi at 28 days
- Bond Strength (ASTM C882, Modified): 1,800 psi at 7 days
- Flexural Strength (ASTM C348): 650 psi at 7 days, 1,300 psi at 28 days
- Shelf Life: 12 months unopened, stored in a cool, dry area away from direct sunlight; keep Admix from freezing
Packaging
Available as a 50 lb bag with a 1-gallon jug of Duo Patch Admix.
Supporting Documents
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