CONCRETE REPAIRS

Product Details:

Uses

• Bonding carbon fibre plates to concrete substrates such as beam, column, slabs etc for flexural and shear strengthening.

Advantages

• Excellent Squeezability
• High bond strength
• Fast cure
• Tolerant to damp surfaces
• Wide range of temperature applications

Description

• Nitowrap 40 thixotropic epoxy adhesive is a 2 pack solvent free epoxy resin system consisting of a white base and black hardener in preweighed quantities for easy onsite mixing.

Technical Support

• Fosroc provides a technical advisory service supported by a team of specialists in the field.

Precautions
Health and Safety

• Some people are sensitive to epoxy resin system and may develop dermatitis. Direct contact with eyes will cause irritation and may cause serious damage if left untreated. Any eye contamination should be washed thoroughly with water and immediate medical attention should be sought. Gloves, barrier creams and eye protection should always be used when handling Nitowrap 40 and Nitoflor Sol.
• If contact with skin occurs, a resin removing cream should be used, followed by washing with soap and water. Solvent shall not be used.

Fire

• Nitowrap 40 is nonflammable. Nitoflor Sol is flammable. Do not use near naked flames. No smoking.

Application instructions
Surface Preparation

• Concrete should be mechanically sound and free from contamination, such as free water, mould, oil or grease, laitance and dust. Grit blasting is recommended. Sections to be bonded should be checked for good alignment A 'dry run' before the first application of the adhesive is recommended to ensure correct timing. Mixing The base and hardener into a suitable container shall be emptied and mixed with a paddle and slow speed heavy duty drill, ensuring the sides are scraped down. A uniform grey colour should be obtained after mixing thoroughly.

Application

• The mixed adhesive is applied to both surfaces i.e concrete & carbon fibre plate & the fibre plate is pressed in position & held in position by using adhesive tapes or any suitable method for a few hours.

Cleaning of Application

• Equipment Tools and equipment should be cleaned immediately after use with Nitoflor Sol.

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Product Details:

Uses:

• Renderoc RG is used for repairs to damaged reinforced concrete elements, particularly where access is restricted and where vibration of the placed material is difficult or impossible. It is suitable for various structural strengthening measures such as encasement build-ups, jacketing etc.

Advantages:

• Gaseous expansion system compensates for shrinkage and settlement in the plastic state.
• Can be pumped or poured into restricted locations.
• Highly fluid to allow for placement without vibration.
• Prepacked to overcome site-batched variations.
• Rapid strength gain to facilitate early reinstatement.
• High ultimate strengths and low permeability of cured repair.
• Contains no chloride admixture.

Description:

• Renderoc RG is supplied as a ready to use blend of dry powders which requires only the site addition of clean water to produce a free-flowing non-shrink repair micro concrete. The material is based on Portland cements, graded aggregates and fillers, and additives which impart controlled expansion characteristics in the plastic state, while minimising water demand. The low water requirement ensures high early strength and long-term durability. For larger repairs, the mixed Renderoc RG may be modified by the addition of 5mm to 12mm clean, graded, saturated surface dry aggregates at site For exceptionally large repairs, the local Fosroc office shall be consulted.
• The micro concrete in the flowable consistency should achieve a compressive strength of not less than 10N/mm' after 24 hours, 40N/mm' after 7 days and 50 14/mm' after 28 days at 30 DegreeC. Most importantly, the cured micro concrete shall contain no metallic aggregates, or chlorides and shall be shrinkage compensated in the plastic state. The unrestrained expansion shall be between 1 - 4%. The flexural strength shall not be less than 514/mm2 @ 28 days. The micro concrete shall have a coefficient of thermal expansion similar to that of the host concrete. The mixed density of micro concrete shall exceed 2100 kg/m3 at 27 DegreeC.

Yield:

• Approximately 13.0 liters per 25 kg bag. Actual yield per bag will depend on the consistency of Renderoc RG and quantity of coarse aggregate added.

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Product Details:

Fosroc Renderoc HSXtra is shrinkage controlled, polymer modified, cementitious, high specification repair mortar system.

Uses:

• Renderoc HSXtra is suitable for hand and spray application for repairs where high load bearing is required.

Typical applications would include, but not be limited to, the following:

• Vertical and overhead repairs to restore 'covercrete'
• General concrete and masonry repairs
• Voids greater than 10 mm deep
• Repairs to honeycombing
• Larger scale repairs where formwork cannot be erected

Description:

• Renderoc HSXtra is supplied as a ready to use blend of dry powders, which requires only the addition of clean water to
• produce a highly consistent, repair mortar suitable for structural concrete and masonry repairs. Renderoc HSXtra may be hand applied or sprayed with suitable equipment, please see application method statement for details.

Precautions:
Health and safety:

• Renderoc HSXtra contains cement powders which, when mixed with water or upon becoming damp, release alkalis which can be harmful to the skin. During use, avoid inhalation of the dust and contact with the skin or eyes. Wear suitable protective clothing - eye protection, gloves and respiratory equipment (particularly in confined spaces). The use of barrier creams to provide additional skin protection is also advised. In case of contact with the skin, rinse with plenty of clean water, then cleanse thoroughly with soap and water. In case of contact with eyes, rinse immediately with plenty of clean water and seek medical advice. If swallowed seek medical attention immediately - do not induce vomiting.
• Fire: Renderoc HSXtra, is non-flammable and thus presents no fire hazard.

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Additional Information:

• Pay Mode Terms: T/T (Bank Transfer)
• Production Capacity: 50 TON

Product Details:

Shrinkage controlled, polymer modified, fiber reinforced cementitious repair mortar, specifically designed for spraying

Uses

• Renderoc SP40 is suitable for wet spraying and hand application in a wide variety of repair applications, and is particularly well suited to vertical and overhead repairs.

Typical applications would include, but not be limited to, the following

• Mass infill to large areas
• Repairs to irregular profiles
• Excellent for repairs to fire-damaged concrete
• Fast track repair programmer, where rapid application at high volume is required
• Single layer, high build applications

Advantages

• Cost effective - shrinkage control enables repairs to be completed,right first time". Very low rebound is an additional cost benefit
• Compatibility - aligns performance closer than ever before, to that of host concrete
• User-friendly - specifically developed to provide an easy-to-apply product, suitable for local conditions
• Definable performance - positive benefits are easily demonstrated via a single, simple measurement

Description

• Renderoc SP40 is supplied as a single component, ready to use blend of dry powders and fibres which requires only the addition of clean water to produce a highly consistent, hand and spray grade, repair mortar suitable for most structural and load bearing repairs.

Limitations

• Renderoc SP40 should not be used when the ambient temperature is below 5 Degree C and falling.
• Renderoc SP40 should not be part mixed, nor part bags used.
• Renderoc SP40 should not be exposed to running water either during application or prior to final set.

Precautions

• Health & Safety Renderoc SP40 contains cement powders which, when mixed with water or upon becoming damp, release alkali which can be harmful to the skin. During use, avoid inhalation of the dust and contact with the skin or eyes. Wear suitable protective clothing - eye protection, gloves and respiratory equipment (particularly in confined spaces). The use of barrier creams to provide additional skin protection is also advised. In case of contact with the skin, rinse with plenty of clean water, then cleanse thoroughly with soap and water. In case of contact with eyes, rinse immediately with plenty of clean water and seek medical advice. If swallowed seek medical attention immediately - do not induce vomiting.
• Fire Renderoc SP40, is non-flammable and thus presents no fire hazard. For further information, please refer to the Product Material Safety Data Sheet for Renderoc SP40.

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Product Details:

Main uses

The material is based on a blend of cement, graded aggregates, special fillers and chemical additives which control the rate of set and minimise the risk of thermal cracking.

Renderoc Plug provides an initial set time of approximately one minute.

Advantages

Emergency water-stopping capability.

Single component - only the addition of clean water is required.

Excellent bond to the substrate.

Low exotherm minimises thermal cracking.

Pre-bagged formulation to overcome variations in site batching.

Contains no chloride admixture

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Additional Information:

• Item Code: 3824
• Production Capacity: 50 tonn
• Delivery Time: 10 ton per week
• Packaging Details: 5 kg & 15 kg bag

Product Details:

Medium fast setting concrete patching compound.

Uses

• Patchroc has been specially designed to provide a fast set repair in concrete fl oors and pavements and is particularly useful where traffic must be kept flowing with minimum down time. Patchroc will be of particular interest to industrial maintenance engineers, transport managers, airport authorities or anywhere that pot holes in concrete cause a hazard to pedestrian and wheeled traffic.

Advantages

• Medium Fast setting - Minimum disruption to traffic
• Easy to use - Needs only the addition of water.
• Easy to lay - Very easy to apply & fi nish
• Non shrink -Does not crack
• High adhesion - Use Nitobond AR as primer ensures good bonding to concrete substrates.
• Durable & Tough surface - Resistant to wear and tear

Description

• Patchroc is supplied as a pre-blended dry powder to which water is added to produce an easily trowellable mortar. Patchroc is a blend of inorganic cements, additives to modify and control the rate of setting and strength gain, with selected hard wearing aggregates. Patchroc does not contain calcium chloride. Patchroc has been designed for the patching of small areas of concrete i.e., individual patches requiring not more than 12.6 litre yield per 25kg bag of Patchroc.
• The blend of cements eliminates shrinkage with the consequent reduction of stress at the bond line. Long lasting adhesion is ensured by the use of Nitobond AR bonding agent.

Technical support

• A technical advisory service is available for onsite assistance in the use of Fosroc product range.

Application

• Place the mixed material evenly over the primed surface and tamp in place with a wooden float to ensure full compaction. Strike off the surface to the correct level and finish with a steel trowel, to fully close the surface.

Curing

• Patchroc requires curing in accordance with good concrete finish. Protect the surface from heavy rainfall to prevent surface scour.

Cleaning

• Patchroc should be removed from tools with water immediately after use. Cured material can only be removed mechanically.

Coverage and yield

• Patchroc when mixed with recommended quantity of water will yield 12.6 litres of mixed material.
• Nitobond AR covers 6 - 8 re / litre depending on porosity and texture of substrate.

Storage

• Shelf Life Shelf life of 6 months in unopened bags if kept in a dry store.

Precautions

• Health & Safety Patchroc and Nitobond AR should not come in contact with skin and eyes or be swallowed. Patchroc is alkaline. Avoid inhalation of dust while mixing Patchroc. The use of protective clothing, gloves, goggles and barrier cream is recommended. A dust mask should be used when handling Patchroc powder. If contact with skin occurs wash thoroughly with plenty of clean water. If irritation persists or if swallowed, seek medical attention immediately. Do not induce vomiting.
• Fire Patchroc and Nitobond AR are non fl ammable.

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Product Details:

Chemical and abrasion resistant epoxy repair compound,

Uses:

• For permanent repairs to concrete structure and cementitious substrates where strength, impermeability to water and resistance to aggressive chemicals is essential. Ideally suited for maintaining engineering, chemical handling and processing plants.

Advantages:

• Chemical Resistance: Unaffected by wide range of acids, alkalis and industrial chemicals
• Easily applied: Designed for easy application to a fair finish ,,
• Quality: Pre-weighed quality controlled materials ensure consistency and reduce risk of site errors
• Proven performance: Successful use proves for a wide variety of aggressive applications

Description:

• Nitomortar 30(M) is a three part solvent free combination of epoxy resin, modified amine hardeners filled with specially graded chemically inert aggregates with high crushing strength. It is applied by trowel as a durable chemical resistant repair mortar 5 - 10mm thick depending upon the requirement. The system includes Nitoprime 25 a two part epoxy resin primer and Nitomortar 30(M) which are both supplied in preweighed units ready for onsite mixing and application. The finished area has a slightly granular texture of uniform self colour. However, as the natural grade takes its colour from the aggregates which is subjected to variation, colour matching is not practicable with this grade.

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Product Details:

Uses: Renderoc FC is designed for application to minor imperfections in concrete and masonry surfaces. It is suitable for application in the range of feather edge to 3 mm, and can be used in the following situations:

• Filling pinholes prior to overcoating
• General reprofiling over large areas, up to 3 mm depth
• Fairing coat, in association with other Renderoc mortars

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Product Details:

Uses

• For the reinstatement of concrete in small localized patch repairs. Renderoc S2 is alkaline in nature and will protect embedded steel reinforcement. It is specially designed for location where high compressive strengths are required. The mortar is suitable where superior resistance is required to chlorides and carbon dioxide.

Advantages

• High strength Can be applied by hand, like conventional mortars
• Extremely low permeability provides maximum protection against carbon dioxide and chlorides
• Excellent bond to the concrete substrate
• Shrinkage compensated
• No site batching required, supplied in pre-weighed prepacked condition
• Only addition of water at site to be made while mixing the powder and liquid parts
• Contains no chlorides.

Description

• Renderoc S2 is supplied as a grey powder along with a liquid polymer and has to be mixed with water on site to produce a highly consistent, high strength repair mortar. The material is based on carefully blended cement, graded fillers and chemical additives and is polymer modified to provide a mortar with good handling characteristics, while minimizing water demand. The hardened product exhibits excellent thermal compatibility with concrete and outstanding water requirement ensures fast strength gain and long-term durability.

Technical support

• Fosroc offers a technical support package to specifiers, end users and contractors as well as on-site technical assistance in locations all over the country.

Precautions

Health and Safety Renderoc 52 contain cement powder which when mixed or becomes damp, release alkalis which can be harmful to the skin. During use, avoid inhalation of dust and contact with skin and eyes. Wear suitable protective clothing, gloves, eye protection and respiratory protective equipments. The use of banter cream provides additional skin protection. Incase of contact with skin, rinse with plenty of clean water, then cleanse with soap and water.

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Product Details:

Uses

For patching and replacement of worn out areas, filling of holes or depressions in concrete floor slabs in factories, godowns, commercial or domestic buildings.

Advantages

High strength Nearly three times harder than the normal concrete

Non-shrink - Eliminates shrinkage problems associated with conventional cement concrete/mortars and ensures effective bonding.

Reliability Factory controlled prepacked product eliminates material selection, quality control and other associated problems on site.

Durability Very high ultimate strengths combined with a uniform microcellular material structure provides heavy-duty performance and durability.

Early usage Floor usable in 24 hours for light traffic and in 72 hours for all traffic.

Iron free, chloride free No metallic iron present to corrode and cause staining or deterioration due to rust expansion.

Allows early strength development without the use of chlorides.

Description

Superpatch mortar is supplied as a ready to use dry powder requiring only the addition of water to produce a high strength mortar with non-shrink property. The material is a mixture of specially processed cement and carefully graded fine aggregate. Additives impart controlled expansion characteristics and reduce water necessary to produce cohesive mortar mix.

The very low water/powder ratio ( 0.14) ensures high early and ultimate strengths.

For repairing thick sections of more than 25mm depth it is necessary to use well-graded aggregates ( machine crushed, washed and cleaned) in the size range of 3mm to 10mm.

Quantity of aggregates should not exceed 1 part of graded aggregate to 1 part of Superpatch by weight in which case the water/powder ratio will need to be increased to 0.18.

Coverage and yield

1 litre of Nitobond PVA when diluted with 5 litres of water will cover approx. 10 -15 sq.m in two coats and Nitobond AR will cover approx. 6 - 8 sq.m depending upon the texture of the concrete surface.

Superpatch mortar with recommended water powder ratio will yield approx. 13 litre per 25 kg pack.

Precautions
Health & Safety instructions

Nitobond PVA/Nitobond AR are non-toxic. Gloves should be worn while handling. Superpatch mortar is non-toxic and is slightly alkaline in nature. Splashes of mortar should be washed off with clean water.

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