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Sika CarboDur Carbon Fiber Rods
Sika CarboDur Rods are pultruded CFRP rods for near-surface-mounted strengthening of concrete, timber, and masonry. They seat in cut grooves, bond with epoxy, and stay hidden under traffic once countersunk.
- Near-surface-mounted CFRP rods in cut grooves
- Design tensile strength 2.50 x 10^5 psi
- Countersunk rods accept surface traffic
CarboDur Rods
Sika CarboDur Rods are pultruded carbon fiber reinforced polymer rods for strengthening concrete, timber, and masonry. They install near-surface-mounted in cut grooves and bond with epoxy such as Sikadur-30; for external laminate strips, see CarboDur S 1012. Design tensile strength is 2.50 x 10^5 psi, and countersunk rods stay clear of traffic wear on the surface.
Key Features
- Pultruded carbon fiber reinforced polymer rods
- Near-surface-mounted installation in substrate grooves
- Also anchors SikaWrap fabrics to concrete or masonry
- Design tensile strength 2.50 x 10^5 psi
- Design tensile modulus 22.5 x 10^6 psi
- Non-corrosive with outstanding fatigue resistance
Applications
- Negative moment reinforcing in slabs and decks
- Strengthening of masonry walls
- Anchoring of SikaWrap fabrics
- Doweling and cathodic-protection applications
Technical Specifications
| Property | Value |
|---|---|
| Manufacturer | Sika |
| Product | CarboDur Rods |
| Type | Pultruded CFRP rod |
| Pack | Custom cut lengths |
| Diameters | 3/8 in and 1/2 in |
| Fiber volume content | 65% |
| Design tensile strength | 2.50 x 10^5 psi |
| Design tensile modulus | 22.5 x 10^6 psi |
| Design elongation | 1.1% |
| Bonding epoxy | Sikadur-30 / 31 / 32 / AnchorFix |
Product documents: CarboDur Rods PDS (PDF)
Frequently Asked Questions
What strengthening work are CarboDur Rods used for?
Near-surface-mounted strengthening of concrete, timber, and masonry. Typical work includes negative moment reinforcing, masonry walls, SikaWrap fabric anchorage, and doweling.
What installation method do CarboDur Rods use?
Near Surface Mounted installation: cut a groove, fill with epoxy, press the rod in, and strike flush so the rod is countersunk and not visible.
What design tensile strength do CarboDur Rods provide?
Design tensile strength is 2.50 x 10^5 psi by ASTM D7025, with design modulus 22.5 x 10^6 psi and design elongation 1.1%.
What diameters do CarboDur Rods come in?
Published sizes include 3/8 in (0.11 sq in, 27,500 lbs tensile) and 1/2 in (0.20 sq in, 50,000 lbs tensile). Custom cut lengths are available.
What epoxy bonds CarboDur Rods?
Sikadur-30, Sikadur-31, Sikadur-32, or Sika AnchorFix resin fills the groove. Coverage runs approximately 60 LF/gal for 3/8 in rods and 35 LF/gal for 1/2 in rods.
What traffic exposure do CarboDur Rods allow?
Once countersunk and finished flush, rods accept traffic on the surface because they sit below the wearing face.
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