MC-Bauchemie MC-Fastpack 1264 compact
MC-Bauchemie’s cartridge-dispensed epoxy for rigid, structural crack injection — CE-compliant to EN 1504-5, mixed and injected on site in minutes.
What is it?
A low-viscosity, two-component epoxy resin supplied ready-proportioned in a double-chamber cartridge for the MC-Fastpack Power-Tool, built for rigid, force-transmitting injection of cracks, joints and cavities in concrete and masonry.
Where is it used?
RCC columns, beams, slabs, retaining walls, bridge piers and deck soffits, tunnel linings and masonry with dormant structural cracks wider than roughly 0.3 mm, in both dry and damp conditions.
Why use it?
It restores load transfer across a crack instead of just sealing it — high tensile and compressive strength, fast curing even under some dynamic loading, and CE compliance to EN 1504-5, the standard reference for concrete injection.
How is it applied?
Dispensed from the cartridge through a static mixer using the compressed-air MC-Fastpack Power-Tool, then injected through a bonded MC-Surfacepacker or drilled MC-Hammer Packer LP 12 — no site weighing or hand-mixing.
About MC-Bauchemie MC-Fastpack 1264 compact
MC-Fastpack 1264 compact is the rigid, epoxy member of MC-Bauchemie’s Fastpack injection family — a low-viscosity, two-component resin supplied ready-proportioned inside a double-chamber cartridge rather than as separate tins to weigh and hand-mix on site. Loaded into the compact MC-Fastpack Power-Tool dispenser, the two components meet and mix only in the static mixer nozzle at the point of injection, so there’s no pot-life clock on a half-used batch and no risk of an under-dosed ratio on a busy site. Because it’s rigid rather than elastomeric, it bonds a crack face to face and restores the concrete’s ability to carry load across it, not just keep water out.
For Space Arc’s Delhi NCR and pan-India sites, that mix of cartridge dosing accuracy and genuine structural bonding is what makes 1264 compact useful where a consultant has flagged a crack as structural rather than cosmetic: RCC frame cracking from settlement, bridge pier and deck cracking, or dormant shrinkage cracks in a slab about to receive an industrial flooring topping. It’s moisture-tolerant, so crews aren’t held up waiting for concrete to dry out, and it cures fast enough — including under some vibration — to suit live structures like operating flyovers and industrial floors where long shutdowns aren’t an option.
The technical insight
MC-Bauchemie splits its Fastpack range by chemistry, not just crack size, and that matters more than the product numbers suggest. 1264 compact is the rigid epoxy for dormant, non-moving structural cracks, gluing the two faces back into monolithic behaviour. MC-Fastpack 2300 top is the flexible polyurethane for cracks still moving with thermal or load cycling, where a rigid epoxy would simply crack again. MC-Fastpack 2700 and Injekt LE are reactive polyurethanes built to expand and stop flowing water, not transmit structural force. Picking the wrong one is the most common site mistake — rigid epoxy on a live crack fails, flexible sealant on a structural crack leaves the member under-restored.
Where it is used
- Rigid injection of structural cracks (above roughly 0.3 mm) in RCC columns, beams and slabs to restore load transfer
- Crack repair in bridge piers, deck soffits and box girders, on dry or moisture-affected structures
- Injection of cracks in basements, retaining walls and water-retaining structures ahead of waterproofing
- Bonding threaded rods and rebar into cracked concrete, natural stone or masonry, used with MC-AnchorSolid E820
- Cavity and void filling in tunnel linings and precast concrete segments
- Stabilising cracks in load-bearing masonry and stone structures, including heritage repair
- Planned-maintenance injection on live industrial or infrastructure assets where downtime must be minimised
Key advantages
- Pre-dosed cartridge removes the on-site weighing and hand-mixing errors common with bulk epoxy kits
- Low viscosity penetrates fine structural cracks down to about 0.3 mm wide
- Moisture-tolerant, so it can be injected into damp crack faces without waiting for the concrete to dry out
- Fast-curing, including under some dynamic loading — useful on live bridges and working floors
- High tensile and compressive strength, so the repair restores structural continuity, not just a sealed surface
- CE-compliant to EN 1504-5, giving specifiers a recognised standard to cite
- Compact 2.5 kg Power-Tool dispenser suits access-restricted sites and small repair crews
Limitations & considerations
- Rigid system — not for cracks still moving with thermal or structural cycling; those need flexible MC-Fastpack 2300 top
- Depends on the proprietary Power-Tool dispenser and matching packers, an added tooling cost over a manual resin-and-gun kit
- Cartridge format suits small-to-medium crack volumes; very large injection programmes may be cheaper with bulk-mixed epoxy
- Not a water-stop resin — actively flowing water ingress needs the PU-based MC-Fastpack 2700 or Injekt LE instead
- Like any epoxy, working time and cure are sensitive to site temperature, worth planning for peak Indian summer conditions
Selection & best practice
Confirm whether the crack is dormant or still moving — width monitors read over a season, not a site guess — since 1264 compact suits only the dormant, structural case. Check the crack is above roughly 0.3 mm; finer hairline cracks need a lower-viscosity product. Match the packer to substrate condition: bonded MC-Surfacepacker on dry components, drilled MC-Hammer Packer LP 12 where the face is damp. Space packers to the crack depth so pressure carries resin through the full section. Keep the Power-Tool within its rated operating pressure and use the specified PPE — it’s a pressurised system, and its operating manual should be read before first use.
Specifications
| Chemistry / base | Low-viscosity, two-component epoxy resin |
| System type | Rigid, force-transmitting crack-injection resin |
| Standard compliance | CE-compliant to EN 1504-5 (concrete injection) |
| Minimum treatable crack width | Above approximately 0.3 mm |
| Substrate condition | Suitable for dry and damp/moist concrete and masonry |
| Delivery format | Pre-dosed double-chamber cartridge (max. 400 ml cartridge content in the MC-Fastpack system) |
| Application equipment | MC-Fastpack Power-Tool compressed-air dispenser, 2.5 kg, 1:1 / 2:1 / 4:1 volumetric mixing ratios |
| Mechanical performance | High tensile and compressive strength; fast-curing, including under some dynamic loading |
| Chemical resistance | High resistance to chemical attack (manufacturer rating) |
Industry use cases
Bridges & Flyovers
Rigid injection of structural cracks in pier caps, deck soffits and box girders on NCR flyover retrofit works, via bonded packers without long carriageway closures.
Industrial & Warehouse Floors
Pre-treatment of structural cracks in RCC floor slabs before an industrial flooring or protective coating goes down, restoring slab continuity under forklift loading.
Water-Retaining Structures
Crack injection in RCC tanks, STPs and retaining walls ahead of waterproofing, where moisture tolerance avoids long dry-out delays.
Heritage & Load-Bearing Masonry
Stabilising cracked stone and masonry walls, often combined with MC-AnchorSolid E820 for dowel and rebar anchorage into the cracked substrate.
Frequently asked questions
Is MC-Fastpack 1264 compact suitable for wet or damp cracks?
What’s the difference between 1264 compact and MC-Fastpack 2300 top?
Do I need special equipment to apply it?
What’s the minimum crack width it can be injected into?
Can it bond rebar or anchors into cracked concrete?
Is it CE-marked or backed by a recognised standard?
How we position MC-Bauchemie MC-Fastpack 1264 compact
1264 compact sits inside MC-Bauchemie’s cartridge-based Fastpack system alongside MC-Fastpack 2300 top (flexible PU sealing), MC-Fastpack 2700 and Injekt LE (PU water-stop grades), MC-Fastpack PR solid (PU patching) and MC-AnchorSolid E820 (anchoring epoxy) — Space Arc stocks the range so a site can match chemistry to crack behaviour without switching brands. Where a BOQ specifies a conventional bulk-mixed epoxy, or Fosroc already sits on the approved list, Fosroc’s Nitofill EPLV is a genuine alternative for the same rigid, structural crack-injection role.
Fosroc Nitofill EPLV — Where a BOQ calls for a conventional bulk-mixed low-viscosity epoxy rather than a cartridge-dispensed one, or Fosroc already sits on the project’s approved-materials list, Nitofill EPLV is a genuine, widely specified alternative for the same rigid, structural crack-injection role.
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