Two-component, fibre-reinforced repair mortar for durable concrete patching and reprofiling where bond, water resistance, and repair life matter.
Decision Summary
Core Uses
FIBRE-PATCH GP is a polymer-modified repair mortar with microsilica and dispersed fibres for concrete areas where a simple sand-cement patch would shrink, absorb water, or debond. It is used from feather edge to deep patch repairs where the repaired zone must stay integrated with the old concrete.
When reinforcement is exposed, FIBRE-PRIME is applied first so corrosion is treated before the repair mortar hides the steel again. GP then rebuilds the cover and profile as part of a complete repair sequence.
After damaged concrete is rebuilt, Cem-Kote membranes or crystalline waterproofing can be specified over the repaired area according to water pressure, movement, and exposure requirements.
Comparison Block
Technical Data Table
| Property | Value | Source / test |
|---|---|---|
| Compressive strength | Approx. 48.3 MPa | Product data sheet / Gemite technical data |
| Flexural strength | Approx. 8.5 MPa | Product data sheet / Gemite technical data |
| Bond strength | Approx. 2.2 MPa | Product data sheet / Gemite technical data |
| Thickness | Feather edge to over 100 mm | Product data sheet / Gemite technical data |
Application / Specification Notes
Confirm substrate soundness, contamination, moisture condition, cracks, exposed reinforcement, and service exposure before selecting the final Gemite system.
Follow the current product data sheet and guide specification for mixing, surface preparation, application thickness, curing, and environmental limits.
Where the product is used as a repair or first-response material, complete the sequence with the compatible waterproofing, repair, or protection layers required by the project.
System Compatibility / Related Product Notes
Use on exposed reinforcement where corrosion protection is required before repair mortar placement.
Use repair mortars to rebuild damaged concrete before final waterproofing or coating layers.
Select Cem-Kote waterproofing or protection products according to water pressure, movement, chemical exposure, traffic, and potable-water requirements.
FAQ
Use Fibre-Prime when exposed reinforcement needs corrosion protection or when the specification calls for a bonding layer on prepared concrete.
No. Active leaks should be stopped first with Fibre-Patch WP, then GP can be used to rebuild the concrete profile where required.
It can be used from feather-edge detailing to sections over 100 mm when the repair is built and cured according to the data sheet.
GP is the better fit when the repair is structural, bond-critical, or part of a broader repair sequence where the two-component polymer modification is preferred. OV is optimized for overhead and vertical build without formwork.
The patch may look sound initially, but corrosion can continue below the repair mortar. Expanding corrosion products can then crack or debond the repaired area from inside.
Send the substrate condition, exposure, traffic, crack profile, and coating sequence. Gemite can help confirm whether this product fits the project conditions.
Request Technical GuidanceOr contact us: office@gemite.tech · +40 232 273 031
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