A quick setting, non-shrink, non-slump mortar used for restoring concrete and masonry to its original form. Used for concrete cancer and spalling repairs. Supplied as cement powder – just add water and mix.

Has quick-setting time, 15 to 20 minutes – fast repair process, becomes part of the substrate, are structurally sound,
DOES NOT slump or need form work, does not shrink or crack when setting just trowel into the concrete cancer.
Odour-free and non-toxic, ideal to use in badly ventilated places, such as water tanks, shafts, sewers, etc.
• Does not contain any chloride. • Only needs the addition of water for mixing.

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Drizoro Maxrest the best Repair Mortar for concrete cancer ever.

Navy Job Video | Concrete Repairs Video  | Technical Data | MSDS 

is a one-component structural repair mortar, concrete cancer, made of special cements, additives and selected aggregates, which provides a thixotropic product with quick-setting time that does not shrink. It firmly adheres to the surface which it is applied on, restores concrete to its original condition. Making Maxrest
Application Fields

• For general repair and restoration work on concrete cancer, structural concrete. Repairs honeycombs, cracks and fissures.
• Patching and protective covering of reinforcing rods affected by corrosion.
• To repair lintels, ran, water tanks and to restore architectural concrete permanently exposed to climatic conditions.
• Sealing of construction joints prior to waterproofing works in tanks, swimming pools, basements, etc.
• For restoration of lines and shapes of damaged pre-fabricated concrete elements.


• Its quick-setting time, from 15 to 20 minutes, allows for an fast repair process.
• It forms part of the substrate and repairs are structurally sound, with properties comparable or higher than concrete.
• DOES NOT slump or needs form work.
• It does not shrink or cracks when setting.
• Odour-free and non-toxic, making it the ideal material to use in badly ventilated places, such as water tanks, shafts, sewers, etc.
• Does not contain any chloride. • Only needs the addition of water for mixing.

Application Instructions

Surface Preparation: 

The concrete cancer Surfaces should be clean and free of dirt, grease and loose particles. Remove all damaged and unsound concrete to expose a structurally sound substrate. Expose all reinforcement affected by rust. Remove concrete all around the bars for an efficient cleaning and to surround it with a minimum thickness of at least 1 cm of Maxrest. Eliminate rust by wire brush, needle gun, sand or shot blasting, etc. Apply slurry coat of Maxrest or oxide converter Maxrest Passive (Technical Bulletin nº 12). After cleaning, wash the concrete with water. Before applying Maxrest, wet the surface but do not leave free-standing water.

A 25 kg bag of Maxrest is mixed with between 3,5 to 4,0 litres of clean water, depending on the ambient conditions and the consistency required, either manually or mechanically by low speed drill (400 – 600 r.p.m). Maxrest takes fifteen to twenty minutes to set, depending on the temperature. Mix only the amount of Maxrest that can be applied within eight to ten minutes.

For an optimum bond, prepare a slurry mixing 5 parts of Maxrest with 1 part of water, mixing well until achieving a homogeneous consistency without any lumps. Apply the slurry using a Maxbrush type brush onto the concrete cancer surface to be repaired and on the reinforcement bars, filling all voids and pores, allowing 5 to 8 minutes before continuing the repair. While the slurry is still fresh, start placing Drizoro Maxrest with its consistency of repair mortar. Apply in successive layers between 2,5 and 3 cm, scratching the surface with the trowel to make the next layer adheres firmly. Between layers, wait 10 to 15 minutes depending on temperature. If the different layers become warm, wet the surface with cold water.

Application Conditions:
Do not apply at temperatures below 5 ºC or if lower temperatures are expected during the 24 hours following the repair. Do not apply on frozen or frosted surfaces. Curing: For better curing once the job is finished cover with wet cloth to protect from high temperature or direct hot sun.

Clean all tools and equipment immediately with water after use. Once Maxrest hardens it can only can be removed by mechanical methods.


Estimated consumption of Maxrest approximately 1,67 kg/m2 per 1 mm thickness. One kilogram of Maxrest will fill approximately 0,6 litres.

Packaging: Drizoro Maxrest is supplied in 25 kilogram drums and 5 kilogram cans.
Storage: Nine months in bags, twelve months in drums and cans, in their unopened original packaging, in a dry and covered place protected from damp and frost, with temperatures above 5 ºC.

Important Cautions: • Do not use leftover mixed material to prepare a new batch. • Do not add sand, aggregates or cement to increase volume. • Do not use high speed mixers • Do not mix for prolonged periods. Scratch the surface Finish the edge Final finish • Do not apply on painted or structurally weak surfaces. • Do not apply in layers exceeding 3 cm thickness. • Do not allow the layers to heat up; Mist spray with water if required. • Setting time is measured at 20 ºC. Higher temperatures reduce the setting time and lower temperatures delay the setting time. • With low temperatures keep the product in a warm place and use lukewarm water to accelerate the setting time. • With hot temperatures keep the product in a cool place and use fresh clean water for the mix. Wet the different layers. Mix small batches of material and apply immediately. • For further information consult our Technical Department.

Safety And Health: 

Maxrest is non-toxic but as all cementitious product it is an abrasive compound. Rubber gloves and safety goggles must be used to mix and apply the mixture. In case of skin contact, wash affected areas with soap and water. In case of eye contact, rinse with clean water but do not rub. If irritation continues, seek medical attention. Safety Data Sheet of Drizoro Maxrest is available by request. Disposal of the product and empty packaging must be carried out according to national regulations by the final user.





Guarantee The information contained in this leaflet is based on our experience and technical knowledge, obtained through laboratory testing and from bibliographic material. Drizoro reserves the right to introduce changes with out prior advise. Use of this data beyond the purposes expressly specified in the leaflet will not be the Company´s responsibility unless authorised by us. The data shown on consumptions, measurement and yields are for guidance only and based on our experience. This data is subject to variation due to specific atmospheric and jobsite conditions so reasonable variations from the data may be experienced. A test on the jobsite is recommended, and is the clients responsibility. We shall not accept responsibility exceeding the value of the purchased product. For any additional information, consult our Technical Department. © Scientific Waterproofing Products Pty Ltd. ABN: 155 659 948 All rights reserved.

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Additional information

Weight25 kg

15 Kg Handiipack, 25 Kg Drum, 5 Kg can