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Epoxy Flooring system
An epoxy flooring system is a multi-layer coating applied over concrete to create a durable, seamless, and chemical-resistant surface. Itโs widely used in industries, warehouses, hospitals, parking areas, and commercial buildings.
1. What is Epoxy Flooring?
Epoxy flooring is made by mixing resin + hardener, forming a rigid plastic material that bonds strongly to concrete.
2. Typical Epoxy Flooring System (Layer by Layer)
๐งฑ a) Surface Preparation (Most Important Step) โ โ Mechanical grinding / shot blastingRemove dust, oil, laitance โ โ Repair cracks with epoxy mortarMoisture check Poor preparation = coating failure
๐งด b) Primer Coat โ โ LowPenetrates concrete and improves adhesion-viscosity epoxy primer โ Coverage: ~5โ8 mยฒ/L ๐๏ธ c) Base Coat / Screed (if required) โ โ Epoxy mixed with silica sandUsed to level uneven surfaces โ Thickness: 1โ3 mm (or more for heavy-duty) ๐จ d) Intermediate Coat โ โ Builds thicknessEnhances strength and durability โ Can include quartz sand for anti-slip โจ e) Top Coat (Final Finish) โ Provides: โ Gloss / matte finish โ โ Chemical resistanceAbrasion resistance โ Options: โ Self-leveling epoxy โ โ AntiUV-resistant polyurethane (PU) top coat-slip coating
3. Application Method (Step-by-Step)
- Surface grinding / cleaningCrack and joint repair
- Apply epoxy primer (roller)Apply base coat (trowel / roller)
- Apply intermediate coatApply final top coat
- Curing (24โ72 hours)
4. Types of Epoxy Flooring Systems
โ Self-Leveling Epoxy โ โ Smooth, seamlessUsed in hospitals, pharma
Epoxy Flooring Installation Method
Hereโs a clear, practical guide to the epoxy flooring installation method used in construction and industrial flooring:
1. Surface Preparation (Most Critical Step)
Proper preparation ensures strong bonding. โ โ Cleaning: Remove dust, oil, grease, laitance, and contaminants.Mechanical preparation: Use grinding, shot blasting, or scarifying. โ โ Crack repair: Fill cracks with epoxy crack filler or mortar.Moisture check: Surface must be dry (moisture < 5% typically). Poor surface prep = coating failure
2. Priming
Primer improves adhesion between concrete and epoxy. โ โ Apply epoxy primer using roller or brush.Allow it to penetrate into the substrate. โ Typical curing time: 6โ12 hours.
3. Mixing of Epoxy
Epoxy usually comes in two components: โ โ Resin (Part A)Hardener (Part B)
Mixing process: โ โ Mix in manufacturerโs ratio (e.g., 2:1 or 3:1).Use a slow-speed drill mixer (300โ500 rpm). โ Mix for 2โ3 minutes until uniform. Only mix what you can use within pot life (20โ40 minutes).
4. Application of Base Coat
โ โ PSpread using notched trowel or squeegee.our mixed epoxy onto floor.
โ Typical thickness: 1โ3 mm. Optional: โ Broadcast silica sand for anti-slip finish.
5. Intermediate Coat (if required)
โ โ Applied for thicker systems or leveling.Helps improve durability and smoothness.
6. Top Coat / Finishing Layer
โ โ Apply using roller.Provides: โ โ Gloss/matte finishChemical resistance โ Wear resistance
7. Curing Time
โ โ Light foot traffic: 24 hoursHeavy traffic: 3โ7 days โ Full chemical cure: ~7 days Important Precautions โ โ Temperature: Ideal 10ยฐCHumidity: < 80% โ30ยฐC โ โ Ensure good ventilationUse PPE (gloves, mask)
Common Types of Epoxy Flooring
โ โ SelfEpoxy screed flooring-leveling epoxy โ โ AntiAnti--static epoxyslip epoxy
Typical Layer System (Example)
- PrimerBase coat
- Sand broadcast (optional)Top coat
โ โ High humidity โ amine blush (waxy surface)Low temperature โ slow curing or incomplete hardening โ โ High temperature โ fast setting, difficult applicationDust in air โ surface contamination
6. Curing & Drying Issues
โ โ Soft or sticky floor โ improper curingCracking โ rapid drying or thick application โ Discoloration โ UV exposure or wrong mixing
7. Structural & Long-Term Problems
โ โ Cracks reflecting through epoxyWear and abrasion failure in high-traffic areas โ Chemical attack if wrong epoxy type used
8. Aesthetic Defects
โ โ Color variationGloss inconsistency โ Fish eyes (small circular defects)
Key Prevention Tips (Important for Site Work)
โ โ Ensure proper surface preparation (grinding + cleaning)Check moisture content (<4โ5%) before application โ โ Follow correct mixing ratio strictlyMaintain site temperature (15โ30ยฐC ideal) โ โ Use experienced applicatorsApply primer + base coat + top coat system properly
Sika Floor Epoxy Flooring System
Sika Floor Epoxy Flooring System (commonly known as Sikafloor system ) is a high-performance, seamless floor coating applied on concrete surfaces to provide durability, chemical resistance, and an easy-to-clean finish.
What is Sika Epoxy Flooring?
It is a multi-layer resin-based system made from epoxy materials that forms a strong, protective, and decorative surface over concrete floors. It is widely used in industrial and commercial environments. Typical System Structure A standard Sika epoxy flooring system includes:
1. Primer Layer โ โ Improves adhesion with the concrete substrateExample: Sikafloorยฎ- 161
Common Applications
โ โ Industrial floors and factoriesWarehouses โ โ Car parking and garagesHospitals and pharmaceutical facilities โ โ Food processing areasCommercial showrooms
Basic Application Process
- Surface preparation (grinding and cleaning)Primer application
- Base/selfSand broadcasting (if required)-leveling coat
- Top coat sealing
Thickness Guide
โ โ Light duty: 0.5Medium duty: 1โ1 mmโ2 mm โ Heavy duty: 2โ4 mm
Summary
The Sika epoxy flooring system is a durable, chemical-resistant, and seamless flooring solution that can be customized based on the project requirements, making it ideal for both industrial and commercial use.
MasterTech
Technical Solution Provider, Not Just an Applicator House Uttara (^) , Dhaka 6 , Road 33 , Sector 7 Contact: Email: [email protected] 01952 - 375002 Visit us: www.mastertech.bd
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