MAXSEAL® SUPER
CEMENT- BASED WATERPROOF COATING WITH CRYSTALLISATION AND OSMOTIC PROPERTIES

Description

MAXSEAL SUPER is a special waterproofing coating made of a mixture of cements, carefully controlled aggregates and special organic and inorganic additives. Its special formula improves the osmotic effect of the application allowing the penetration in the concrete through its capillary system. The product crystallises inside sealing, waterproofing and protecting the concrete structure. It has been designed to be applied on concrete, pre-cast concrete, concrete blocks or cement plasters but is also suitable for applications in bricks and masonry.

Uses

- As a waterproof coating for exterior and walls.
- Basements and below-grade structures subjected to positive or negative water pressure.
- Waterproofing and protection of concrete foundations, retaining walls and foundation slabs.
- As a waterproof coating for concrete blocks and prefabricated panels.
- As a decorative, waterproof finish for silos and cooling towers in thermal plants.
- Repairing and waterproofing irrigation channels.
- As a coating to waterproof dams and retaining walls.
- To protect and waterproof concrete in water treatment plants.
- Waterproofing tunnels and shafts.
- Waterproofing swimming pools.
- Waterproofing and coating fresh water tanks.

Advantages

- The penetration inside concrete provides internal sealing and protective effect.
- 100% waterproof coating, even in permanent immersion applications subjected to high pressures.
- For indoor applications, especially basements, the coating resists hydrostatic pressure from groundwater.
- Can be applied on dampened surfaces, being easy to use free of future maintenance costs.
- Resists the corrosive effects of salt water and atmospheric pollution.
- Longer lasting than paints and other coatings.
- It has no toxic effect on drinking water.
- Once it sets, can be painted over. It can also be covered with ceramic tiles as in swimming pools or decorative outdoor murals.
- Allows the breathing of the substrate. It will not form a vapour barrier.

Surface Preparation

The surface to be coated must be solid and clean, free of all traces of paint, efflorescence, loose particles, grease, form-stripping oils, dust, gypsum plaster, etc. If the surface has previously been painted with whitewash, paint or other such treatment, remove at least 80% of them.

All cracks must be at least 1,5 centimetres deep and must be sealed with MAXREST if there is no water or with MAXPLUG if there is water penetration. All non-structural surface iron must be cut to a depth of 2 centimetres then patch with MAXREST or MAXPLUG.

Wash and saturate the surface with water before applying the coating but check that there are no puddles or free-standing water remaining.

Tools

Application by Brush, broom or spray: For standard applications, MAXSEAL SUPER can be applied is applied with a fibre type brush or broom such as our MAXBRUSH or MAXBROOM. It can be also sprayed by means of a shotcreeting equipment. For applications made by spray which will be after subjected to water pressure, and in order to ensure a complete coverage of the surface, it is recommended to slide the broom over the material which has just been sprayed. For this application, the product is mixed just with water, between 6.5 and 7.5 litres. Apply a thick layer to form a continuous and uniform coating; do not spread as if it were paint, apply only in one direction, the second coat should be spread in the opposite direction. After the work is finished clean the brushes with water and store for further use.

Application by dusting and power trowel: For this case, the application is performed on the fresh concrete, after levelling, and has enough strength to be walked over, but still fresh enough to dampen the surface when trowelled. The product is spread in powder form as supplied at a ratio of 1.5 to 2.5 kg./m2, endeavouring to achieve a complete and uniform coverage. Immediately the after the surface is hosed down to prevent the superficial drying of the slab and to make the power trowelling smoother. The trowelling will provide a monolithic waterproof layer, which can be slightly dampened during this operation to improve the penetration and to prevent an excessively quick drying, which would prevent the proper hydration MAXSEAL SUPER. Singular spots such as columns, penetrating pipes, corners, concrete joints, and expansion joints should be treated and sealed accordingly.

MAXSEAL SUPER can also be dusted on the lean concrete and the steel reinforcements. This procedure will not only protect the reinforcement itself but will prevent the rising dampness into the foundation slab. The lean concrete should be dampened until saturation and MAXSEAL SUPER will be dusted using between 1.5 to 2.5 kg. / m2. The concrete of the foundation slab can be poured after one hour, once MAXSEAL SUPER has hardened and adhered to the lean concrete, endeavouring not to damage the previous application. her use.

Application Temperature

- For summer temperatures, wet the surface with plenty of water. You may water the surface even after MAXSEAL SUPER has been applied if you notice that the drying process is too fast.
- In winter, do not apply when temperature is below 5ºC or if such temperatures are expected within 24 hours of application.
- Do not apply on frozen or frosted surfaces.
- The ideal working temperature is 15º-20ºC.
- Do not apply on outdoor surfaces if rain is expected within four to six hours of application.

Colours

MAXSEAL comes in standard cement grey, white, and pearl grey.

Packaging

25 Kilograms bags, 25 kilograms drums.

Storage

12 months for bags, 18 months for drums, in its original closed container, in a dry covered place, protected from frost.

Technical Data

Maximum aggregate size (mm) | 0.63
Powder density (gr/ cm3) | 1.150 ± 0.050
Mixing water (% of weight prod.) | 28 ± 2
Pot life after mixing (minutes, 20 °C) | 30
Compressive strength (MPa) | > 40
Flexural strength (MPa) | > 8
Waterproofing pressure (ATM) | > 10
Adhesion to concrete (MPa) | > 2

Caution

As all cement products, MAXSEAL SUPER is abrasive and protective rubber gloves must be used to prepare the mixture and apply it. If any of the mixture gets into the eyes, rinse thoroughly with clean water, but do not rub. If irritation continues, consult a doctor.

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 without prior notice. Any use of this data beyond the purposes expressly specified in the leaflet will not be the Company’s responsibility unless authorised by us. We shall not accept responsibility exceeding the value of the purchased product.

© 2003 DRIZORO S.A. All rights reserved.