Concrete Repair

Epoxy Based Repair Products

Monneli Epomax

Epoxy Thixotropic Adhesive for Structural Gluing

EPOMAX is used for structure gluing in building industries such as:
Natural or artificial stones
Marble and granite
Rigid PVC
EPOMAX can be also used for the structural repairs of beams and pillars, steel plates gluing, filling large cracks in industrial floorings. It is also used in floors under heavy traffic or chemical aggression, and for repairing edges and rigid structural gluing of prefabricated concrete elements.
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Technical Information
Product Description

EPOMAX is an epoxy adhesive which consists of two components. It is solvent free, with thixotropic effect. Once the two components are mixed, the product becomes easily applicable on both horizontal and vertical surfaces. It adheres perfectly to a variety of supports and has an excellent mechanical resistance.

EPOMAX hardens in a short time without shrinkage and emission of volatile substances.

  • Solvent free
  • Superior moisture and chemical resistant
  • Superior durability and toughness
  • Enhanced structural appearance - protrusions and punctures eliminated
  • High peel and shear strength properties
Packaging, Coverage / Consumption


EPOMAX is supplied as a two component 4 Liter Kit.



1 m²/Liter / 1 mm thickness.

Shelf Life & Storage

The product must be stored in dry covered shed at a temperature between 10ºC and 30ºC in original packing. If stored as above, the product will have a shelf life of 12 months.

Component A: White Component B: Black Mixed product properties: Grey
Technical Properties


Component A

                                     Appearance          Dense paste
                  Color   White
  Density at 25°C   1.6-1.8  kg/L

Component B

                                        Appearance                Dense paste
                  Color   Black
  Density at 25°C   1.6-1.8  kg/L

Mixed product properties

                                           Mixing ratio                     1:1
                               Color   Grey

Thixotropic dense


  Mix density   1.7
Solid content


Flexural strength (ASTM C580)

44 N/mm2

Tensile strength (ASTM C307)

30 N / mm²

Bond strength (AST D4541)

2.5 N/mm2

Water absorption (BS EN12390)


Joint shear strength (ASTM D 3163)

50 N/mm2

Complete hardening 30ºC

7 days

Temperature of application

+5ºC to +35ºC

Test performed at 25ºC, 50% of relative humidity and in absence of ventilation.

All values are subject to 5-10 % tolerance

Application Information
Instructions for use

Surface Preparation

Surface must be perfectly clean, compact and dry. Loose particles, varnishes, traces of grease must be eliminated through sand blasting or stiff brushing before the application of EPOMAX.

New concrete or cementitious surfaces should be allowed to cure and have moisture content not exceeding 5%. Old or existing floor should be refurbished mechanically to ensure clear sound substrate. 

Concrete supports must be cured for at least 21 days to avoid tension due to hydrometric shrinkage.


Highly porous substrates or substrates containing micro silica will require priming with PRIMER POXY, a solvent based epoxy primer.


EPOMAX is supplied in two pre-weighed packs (Component A – Base and Component B – Hardener) which are ready for immediate in-situ use.

Stir in both components before use. Transfer the entire contents of component B (Hardener) into the component A (Base) can and mix with low speed drill and paddle at a speed of 200 – 300 rpm for 2 – 3 minutes till obtaining a mix with uniform consistency. Scrape the sides and bottom of the can during mixing to ensure homogeneity.


EPOMAX should be applied with smooth spatula or trowel in order to achieve maximum adhesion between both surfaces.

After spreading the mix, unite both elements and maintain them tight until EPOMAX hardens completely.

The optimum thickness to have a good adhesion is about 1 to 2 mm.


Tools and equipment should be cleaned with SOLVENTE 10 from Colmef immediately after use. Hardened material should be removed mechanically.


  • Do not use during rainy days or if temperature is less than +5°C
  • Application should not be carried out when atmosphere humidity exceeds 90%, or when the surface to be coated is less than 3°C above the dew point
  • Do not expose packing to the direct sunrays

Adhesion Characteristics



  Breakdown flexure test between prisms of concrete
  glued with EPOMAX

  Breakdown of concrete at 100%

  Breakdown flexure test between concrete and steel
  glued with EPOMAX in the interior part

  Breakdown of concrete at 100%

  Breakdown cut test concrete elements glued with EPOMAX

  Breakdown of concrete at 100%
Additional Information
Health & Safety

During application, wear appropriate protective clothing, goggles, gloves and respiratory equipment if necessary.

In case of contact with skin, rinse with water and again wash thoroughly with soap and water. In case of contact with eyes, rinse with plenty of water and seek medical advice accordingly.

If ingested, obtain medical attention immediately. Do not induce vomiting.

Important note

The information in this Technical Data Sheet is based on Colmef Monneli’s experience. Colmef Monneli does not accept any liability arising from the use of its products as it has no direct or continuous control over where or how its products are applied. All Colmef Monneli’s Data Sheets are updates on regular basis. It is the user’s responsibility to obtain the latest version.

additional materials
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Technical Properties Sheet
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