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Stop floor coating failures before they start. Megapoxy LVS delivers a consolidated, waterproof, and chemically resistant foundation from the ground up. This low-viscosity sealer ensures superior adhesion for all subsequent coatings on porous substrates. It seals, hardens, and primes, preparing the surface for long-term performance.
Megapoxy LVS is a two-component epoxy resin designed as a penetrating sealer and primer. Its formulation targets porous substrates like concrete, timber, bricks, mortar, and natural stone. The product deeply penetrates these materials, consolidating them to create a hardened, waterproof, and chemically resistant base layer. This action prevents premature substrate degradation and ensures a robust, delamination-resistant foundation for subsequent floor coatings or as a standalone protective treatment.
The mixed viscosity of 90 centipoise (cps) at 25°C defines Megapoxy LVS as a true low-viscosity system. This allows it to penetrate deeply into porous substrates, effectively consolidating the surface and preventing dusting or weak surface layers. Once cured, it achieves a bond strength to concrete exceeding 3 MPa, providing critical adhesion that often surpasses the tensile strength of the concrete itself, effectively preventing delamination of topcoats. With a compressive strength of 80 MPa and a flexural strength of 40 MPa, the cured epoxy offers significant structural protection and durability, improving the resistance of treated substrates to wear and load.
Megapoxy LVS requires accurate mixing at a 2 Part A to 1 Part B ratio by volume. Thorough mixing is critical to achieve the stated physical properties and avoid cure issues or discolouration. At 25°C, users have a working time of 30 minutes, allowing adequate time for application by brush or roller across larger areas. The material must be applied thinly, preventing pooling. Any excess should be wiped away to maintain a thin film. Substrates must be thoroughly dry and free of contaminants; mechanical preparation like grit blasting or grinding is recommended for optimal adhesion. After application, allow 18 to 24 hours of cure before opening to traffic. Clean mixing implements and tools with Megapoxy Thinners immediately after use.
Megapoxy LVS is routinely specified as an epoxy coating primer in high-traffic commercial areas like plant rooms, lift motor rooms, and internal commercial spaces. Its penetrating and hardening qualities are crucial for preparing concrete floors that will receive subsequent epoxy coatings, ensuring a durable, long-lasting finish. The product also serves as a critical epoxy coating primer for concrete roofs, including those with membrane-covered tiles, providing a robust base and preventing water ingress. Beyond commercial flooring, it offers internal sealing for concrete tanks, bricks, and mortar, and toughens timber surfaces against wear and degradation.
Megapoxy LVS consistently functions as an intermediate layer in high-performance flooring and waterproofing systems. In commercial area specifications, it typically follows a vapour barrier, such as Everflex VBS water-based Epoxy or a cementitious membrane like Gripset 2P, and often a Gripset 11Y slurry. Megapoxy LVS then prepares the substrate for further layers, including epoxy repair mortars like Megapoxy H mixed with sand, followed by epoxy base coats like Megapoxy MC, and finally topcoats such as Megapoxy 132. This positioning ensures the substrate is consolidated and properly primed before the main epoxy build-up, guaranteeing adhesion and long-term system integrity.
Megapoxy LVS specialises in deeply penetrating, sealing, and hardening porous substrates, acting as the foundational primer for subsequent Megapoxy Floor Coating products. This low-viscosity action is distinct from other Megapoxy epoxies. While other products in the Megapoxy family, like megapoxy-154 and megapoxy-ct5, offer robust solutions for various epoxy applications, they are not formulated for the same deep penetration and substrate consolidation role as Megapoxy LVS. For foundational preparation of porous surfaces before coating, Megapoxy LVS delivers this specific initial strengthening and sealing performance.
No, Megapoxy LVS requires thoroughly dry substrates for proper adhesion and cure. Applying it to damp surfaces will compromise performance and bond strength.
The minimum application temperature for Megapoxy LVS is 10°C. Application below this temperature will affect cure time and product performance.
Megapoxy LVS penetrates porous substrates, sealing, hardening, and waterproofing them from within. This provides a stronger foundation for subsequent coatings and prevents surface degradation.
It is not recommended to apply Megapoxy LVS over existing coatings. All previous coatings must be removed to achieve proper bond strength to the bare substrate.
| Application | Key benefit | Primary trades |
|---|---|---|
| Priming for Megapoxy Floor Coatings | Ensures over 3MPa bond strength to concrete, preventing delamination of topcoats. | Floor applicators, concrete repairers |
| Sealing and hardening porous concrete floors | Penetrates deep into concrete (90cps mixed viscosity) to reduce dusting and improve surface integrity. | Concrete repairers, builders |
| Internal sealing of concrete tanks, bricks, and mortar | Provides waterproofing and chemical resistance, extending the service life of structures. | Waterproofing contractors, masons |
| Toughening timber surfaces | Enhances the durability and resistance of timber against wear and degradation. | Timber specialists, builders |
| Protection of structural concrete | Imparts high compressive strength (80MPa) and flexural strength (40MPa) to treated concrete. | Civil contractors, structural engineers |
This is a Class 3 Flammable Liquid. Extinguish all ignition sources (pilot lights, heaters, sparks) and ensure high ventilation. Part B is Class 8 Corrosive; full PPE is mandatory.
Substrate must be clean, thoroughly dry, and free of contaminants. Remove all laitance via mechanical grinding or grit blasting.
Sand to clean, sound wood. Remove all dust. Must be completely dry.
Measure accurately and mix thoroughly in a well-ventilated area, away from ignition sources.
Add 1 part Part B to 2 parts Part A by volume. Mix thoroughly by hand or with a low-speed mixer until the liquid is uniform and streak-free.
Apply the mixed LVS to the prepared substrate using a brush or roller.
Apply a minimum of 1 coat. Apply thinly and do not allow to pool. Wipe up any excess.
Apply a minimum of 2 coats, allowing the first coat to become tack-free (approx. 4 hours at 25°C) before applying the next.
Signal Word: Danger
Wear safety shoes, gloves (nitrile rubber recommended for intermittent contact), safety glasses, and an organic vapour/particulate respirator (meeting AS/NZS 1715 and AS/NZS 1716) if an inhalation risk exists. Ensure PPE is suitable for the nature of the work and identified hazards.
Ensure ventilation is adequate to maintain air concentrations below exposure standards. Use only in well-ventilated areas, with local exhaust ventilation, or while wearing an appropriate respirator. Vapour is heavier than air; prevent its concentration in hollows or sumps. Do not enter confined spaces where vapour may have collected.
Store in a cool, dry, well-ventilated place, out of direct sunlight, away from foodstuffs, incompatible materials, and sources of heat/ignition. Keep containers upright and closed when not in use. Store locked up. Dispose of contents and container in accordance with local, regional, national, and international regulations.
Proper substrate preparation is critical for Megapoxy LVS to achieve its documented performance, ensuring optimal penetration, adhesion, and durability.
Surface prep: Ensure concrete is free from grease and oil, using an industrial heavy-duty degreaser if necessary. Remove surface laitance by mechanical abrasion such as scabbling, grit blasting, or grinding. If mechanical methods are not possible, acid etching can be performed using equal parts concentrated hydrochloric acid and water at 0.5 litres per square meter, reacting for 10 minutes, then thoroughly washing and scrubbing to remove loose sand. Concrete must be thoroughly dry for 24 hours prior to application to ensure maximum adhesion.
Primer: Not required for this product's role as a penetrating sealer.
Surface prep: Grit blast to AS CK 9.4 - 1964 Class 3 finish. If grit blasting is not possible, mechanically abrade the surface to a clean, bright metal finish. Degrease the abraded surface with an industrial-grade degreaser. Wire brushing is generally insufficient for optimal adhesion.
Primer: Not required for this product's role as a penetrating sealer.
Surface prep: Remove any damaged, loose, or rotted timber to expose a clean, dust-free surface.
Primer: Not required for this product's role as a penetrating sealer.
Surface prep: All existing coatings must be removed prior to applying Megapoxy LVS. Bonding to coated surfaces will result in significantly inferior bond strengths compared to application directly to a prepared, bare substrate. For painted concrete, use flame-cleaning or scutching, then diamond grinding or scabbling. For painted metal, use good quality paint stripper followed by grit blasting or grinding to bright metal.
Primer: Not applicable, as this product is itself a primer/sealer and requires bare substrates.
| Property | Value |
|---|---|
| Mixing Ratio By Volume | 2 Part A to 1 Part B |
| Work Time at 25°C | 30 minutes |
| Minimum Cure Time at 15°C | 48 hours |
| Minimum Cure Time at 25°C | 24 hours |
| Minimum Cure Time at 35°C | 12 hours |
| Thin Film Cure at 25°C | 4 hours |
| Minimum Application Temperature | 10°C |
| Viscosity Part A at 25°C | 100 - 140 cps |
| Viscosity Part B at 25°C | 10 - 20 cps |
| Mixed Viscosity at 25°C | 90 cps |
| S.G. Part A at 25°C | 1.00 – 1.10 |
| S.G. Part B at 25°C | 0.91 – 0.94 |
| Mixed S.G. at 25°C | 1.01 |
| Colour Part A | Clear |
| Colour Part B | Clear |
| Compressive Strength (ASTM D695) | 80 MPa |
| Bond Strength Concrete (ASTM D4541) | >3 MPa |
| Tensile Bond Strength Steel (ASTM D897) | 20 MPa |
| Modulus of Elasticity (ASTM D695) | 11 GPa |
| Flexural Strength (ASTM D790) | 40 MPa |
| Tensile Strength (ASTM D638) | 40 MPa |
| Tensile Shear Strength (ASTM D1002) | 13 MPa |
| Coverage Concrete Wood Float Finish | 75 m² per 15 litre kit |
| Coverage Concrete Steel Float Finish | 150 m² per 15 litre kit |
| Coverage Bricks | 75 m² per 15 litre kit |
| Coverage Timber | 75 m² per 15 litre kit |
Here are some common examples on where Megapoxy LVS used by our customers.
Flooring
Preparing thoroughly dry concrete floors in plant rooms or commercial areas for subsequent Megapoxy floor coatings.
Low viscosity ensures deep penetration and consolidates the substrate, creating a tenacious bond for Megapoxy floor systems.
Civil Construction
Sealing and hardening porous concrete, mortar, or natural stone surfaces to prevent water ingress and dusting.
Deep penetration and high strength properties create a durable, waterproof, and chemically resistant barrier, extending substrate life.
Waterproofing
Sealing and hardening porous surfaces like concrete, bricks, or mortar, including internal concrete tanks, for waterproofing or protection.
Its penetrative liquid nature hardens and waterproofs various porous substrates, providing high compressive strength for durable protection against moisture ingress.
Civil Construction
Internally sealing concrete tanks or similar structures requiring a permanent, chemically resistant, waterproof barrier.
Forms a durable, continuous lining that provides exceptional waterproofing and chemical resistance for contained liquids.
Civil Construction
Consolidating and sealing porous substrates like concrete, bricks, mortar, or natural stone in areas requiring improved durability or as preparation for subsequent protective layers. The substrate must be thoroughly dry.
The penetrating low-viscosity resin hardens the substrate and forms an effective barrier, reducing moisture ingress and improving surface integrity. This strengthens the base, preparing it for further protective treatments or enhancing its natural resistance.
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