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Step-by-step solution

Epoxy industrial floors

Epoxy floors give factories, warehouses, workshops and labs a seamless, dust-free and easy-to-clean surface. Success depends on a strong, dry slab, mechanical preparation and a trained applicator.

  • 7 steps
  • 12 products
  • 4 answers
Floor section: concrete slab, primer, thick epoxy layer and a top coat being rolled on, with a sealed floor joint.

Get this solution priced Proposal brief ↓

You need this when…

  • Dusting concrete in a factory or warehouse
  • Oil and chemical stains soaking into the floor
  • Hygiene audit needs a seamless, cleanable floor
  • Old floor paint peeling under forklift traffic

The work, step by step

General guidance based on the manufacturer data sheets. Site conditions differ: confirm the system with MCT before you start. Where we do not name a product, ask us and we will confirm the right one.

  1. Step 1: Test the slab

    Concrete must be at least 25 N/mm² with at least 1.5 N/mm² pull-off (Sikafloor-161 p.5). Moisture must be ≤4 % by CM or oven-dry method, with no rising moisture (Sikafloor-161 p.4).

  2. Step 2: Prepare mechanically and fill defects

    Remove laitance by abrasive blast cleaning or scarifying to an open texture (Sikafloor-161 p.5). Fill blow holes and minor honeycombing with Sikafloor PS epoxy putty (p.1).

    Sikafloor PS Sika Professionals only Request a quotation

    Sikafloor® PS can be used in following situations: Concrete minor repairs such as honeycombing, blow holes, pin holes, etc, General smoothing / re-profiling over large areas, Suitable for feather edge, Filling pinholes prior to over coating with Sikafloor®, Sikadur® and Sikagard® product range, F… (TDS p.1)

    Pack
    Part A: 4 kg and 16 kg container
  3. Step 3: Damp or green slab: moisture barrier

    If moisture is above 4 %, apply an EpoCem layer as a temporary moisture barrier (Sikafloor-161 p.5). Sikafloor-81 EpoCem allows resin floors on green or damp concrete; use at least 2 mm as a barrier, interior only (p.1, p.3). Sikagard-720 EpoCem is also used as a temporary moisture barrier (p.1).

    Sikafloor-81 EpoCem Sika Professionals only Request a quotation

    Sikafloor®-81 EpoCem® is used as a: Temporary Moisture Barrier (TMB), Self-smoothing wearing screed without aesthetic requirements, Levelling screed under Sikafloor® resins and floor coverings, Patching screed for horizontal concrete repairs Please note:, The Product may only be used for interior… (TDS p.1)

    Temperature stated in TDS
    +12 °C to +25 °C (TDS p.3)
    Sikagard-720 EpoCem Sika Professionals only

    Thin layer render Concrete pore filler/ levelling mortar Repairing minor defects (pores and honeycombed concrete) Protecting concrete in aggressive and chemical environments As a Temporary Moisture Barrier (TMB) for Sikafloor® or Sikagard resin products Sui… (TDS p.1)

    Temperature stated in TDS
    -30 °C min. / +80 °C max (TDS p.2)
    Pack
    Pre-batched 21 kg sets.
  4. Step 4: Prime

    Apply Sikafloor-161 so the primer is continuous and pore-free; two coats if needed (Sikafloor-263 SL p.4).

    Sikafloor-161 Sika Professionals only Request a quotation

    Priming concrete substrates, cement screeds and epoxy mortars For low to medium absorbent substrates Primer for the Sikafloor®-263 SL N and Sikafloor®- 264 N economic flooring systems Binder for levelling mortars and mortar screeds Intermediate layer undern… (TDS p.1)

    Temperature stated in TDS
    +10 °C min. / +30 °C max (TDS p.4)
  5. Step 5: Apply the wearing layer

    Sikafloor-263 SL for self-smoothing or broadcast floors with normal to medium-heavy wear (p.1); Sikafloor-264 as a roller coat (p.1); Sikafloor-264 Thixo for a textured roller coat (p.1); Sikafloor-1230 for 2–4 mm dense, glossy, hygienic floors (p.1).

    Sikafloor-263 SL Sika Professionals only Request a quotation

    Sikafloor®-263 SL is used as: Self-smoothing and broadcast systems for concrete and cement screeds with normal up to medium heavy wear e.g. storage and assembly halls, maintenance workshops, garages, loading ramps etc, The broadcast system is recommended for multistorey and underground car parks,… (TDS p.1)

    Temperature stated in TDS
    +10 °C min. / +30 °C max (TDS p.3)
    Sikafloor-264 Sika Professionals only

    Sikafloor®-264 is used as: Roller coat for concrete and cement screeds with normal up to medium heavy wear e.g. storage and assembly halls, maintenance workshops, garages and loading ramps, Seal coat for broadcast systems, such as multi-storey and underground car parks, maintenance hangars and fo… (TDS p.1)

    Temperature stated in TDS
    +10 °C min. / +30 °C max (TDS p.3)
    Sikafloor-264 Thixo Sika Professionals only Request a quotation

    Coloured textured roller coat for concrete and cement screeds with normal up to medium heavy wear e.g. (TDS p.1)

    Temperature stated in TDS
    +10 °C min. / +30 °C max (TDS p.2)
    Sikafloor-1230 Sika Request a quotation

    Sikafloor®-1230 has excellent wear and abrasion resistance to floors subjected to high volume traffic. The smooth, ultra-dense and high gloss finish is ideal for situations requiring a hygienic, easily cleaned surface. Sikafloor®-1230 may be applied in the following industries: Food production an… (TDS p.1)

    Temperature stated in TDS
    +10°C min. / +30°C max (TDS p.2)
  6. Step 6: Electronics and ESD areas

    Sikafloor-220 W Conductive must be applied as the conductive primer under conductive wearing courses such as Sikafloor-262 AS N (Sikafloor-220 W Conductive p.1). Connect the floor to earth with the Sikafloor Conductive Set (p.1).

    Sikafloor-262 AS N Sika Professionals only Request a quotation

    Sikafloor®-262 AS N is used as: Decorative and protective electrostatic conductive self-smoothing system for concrete or cement screeds with normal up to medium heavy wear, Suitable as a wearing course in industries, such as automotive, electronics and pharmaceutical manufacturing, storage facili… (TDS p.1)

    Temperature stated in TDS
    +10°C min. / +30°C max (TDS p.3)
    Sikafloor Conductive Set Sika Request a quotation

    Ground connection point for decorative and protective electrostatic conductive flooring systems. It is used in: Automotive facilities, Electronic facilities and data centres, Pharmaceutical facilities, Storage areas, Warehouses. (TDS p.1)

  7. Step 7: Protect, open and seal joints

    Protect from damp, condensation and water for at least 24 hours (Sikafloor-263 SL p.3). Sikafloor-264 takes foot traffic after about 24 hours and full cure after about 7 days at +20 °C (p.3). Seal floor joints with Sikaflex PRO-3 (p.1).

Proposal brief

Epoxy industrial floors: scope and system

A starting point for a site proposal. Quantities, prices and the final specification follow a site visit or photos.

Scope of work

  1. Slab testing: compressive strength, pull-off and moisture
  2. Mechanical surface preparation (shot blasting or grinding)
  3. Crack, pore and joint-edge repair
  4. Primer and epoxy wearing layer (self-smoothing or roller coat)
  5. Floor joint sealing and edge detailing

System build-up

StepProductPackSource
2. Prepare mechanically and fill defectsSikafloor PS (professionals)Part A: 4 kg and 16 kg containerTDS p.1 · May 2021, Version 02.01
3. Damp or green slab: moisture barrierSikafloor-81 EpoCem (professionals)—TDS p.1 · March 2025, Version 04.01
3. Damp or green slab: moisture barrierSikagard-720 EpoCem (professionals)Pre-batched 21 kg sets.TDS p.1 · May 2021, Version 02.01
4. PrimeSikafloor-161 (professionals)—TDS p.1 · May 2021, Version 05.01
5. Apply the wearing layerSikafloor-263 SL (professionals)—TDS p.1 · March 2025, Version 07.02
5. Apply the wearing layerSikafloor-264 (professionals)—TDS p.1 · May 2021, Version 08.01
5. Apply the wearing layerSikafloor-264 Thixo (professionals)—TDS p.1 · May 2021, Version 02.01
5. Apply the wearing layerSikafloor-1230—TDS p.1 · September 2024, Version 02.01
6. Electronics and ESD areasSikafloor-220 W Conductive (professionals)1,02 kg containers Part ATDS p.1 · December 2022, Version 04.02
6. Electronics and ESD areasSikafloor-262 AS N (professionals)—TDS p.1 · July 2021, Version 01.01
6. Electronics and ESD areasSikafloor Conductive Set—TDS p.1 · December 2022, Version 02.01
7. Protect, open and seal jointsSikaflex PRO-3600 ml cylindrical foil packTDS p.1 · May 2021, Version 03.01

What we need from you

  • Floor area (m²) and layout drawing
  • Use: traffic type, forklifts, chemicals, washdown
  • Age of the slab and any damp patches or rising moisture
  • Required colour and finish (smooth, anti-slip)
  • Shutdown window available for the work

Site conditions

  • Substrate at least 25 N/mm² and 1.5 N/mm² pull-off (Sikafloor-161 p.5)
  • Moisture ≤4 % or a temporary moisture barrier first (Sikafloor-161 p.4, p.5)
  • Area closed and protected from water for at least 24 hours (Sikafloor-263 SL p.3)

Not included

  • Structural slab repairs (quoted after inspection)
  • Moving machinery and racking
  • Drainage changes

Questions customers ask

How soon can forklifts use the floor?

Sikafloor-264 allows light traffic after about 4 days and is fully cured after about 7 days at +20 °C (p.3). For heavy forklifts, ask us: it depends on site conditions.

Can epoxy go on a new slab?

Standard epoxy needs ≤4 % moisture (Sikafloor-263 SL p.3). On green concrete use Sikafloor-81 EpoCem as a barrier; it can go on after 24 hours, but allow at least 3 days for early shrinkage (Sikafloor-81 EpoCem p.3).

Our floor has damp patches. Will epoxy peel?

Epoxy must not go on substrates with rising moisture (Sikafloor-263 SL p.3). Test first; above 4 % moisture use an EpoCem temporary moisture barrier (Sikafloor-161 p.5).

Can it be used outdoors?

Sikafloor-161 is for internal and external use (p.1), but where the floor faces sun use a UV-resistant, non-yellowing seal coat such as Sikafloor-359 SG (p.1).

Steps and product facts are taken from the manufacturer data sheets (page cited). Products are named only where the data sheet confirms the use; quantities follow a site visit or photos. General guidance: check the data sheet or ask us before you start.