Mixture for waterproofing — FW 20

Field of application:

For reliable waterproofing of balconies, terraces, swimming pools, sanitary facilities before laying facing tiles; to protect the foundations from the influence of moisture that does not act under pressure; for waterproofing the inside of the bowl of pools and reservoirs with a depth of up to 5 m. The recommended thickness of the layer is from 2 mm to 4 mm.

Features:

waterproofing;
high adhesion to the surface;
waterproof;
vapor permeable.

Advantages:

Reinforced with microfiber

Water and frost resistant

Resistant to shrinkage

Crack resistant

More about the product

Specifications

Storage	Cement-lime binder, mineral fillers, additives-modifiers
Water consumption per 25 kg of dry mixture - for a plastic consistency, l of water/kg - for liquid consistency, l of water/kg	0.23-0.25 0.30-0.32
Consumption of dry mixture per 1m² at layer thickness of 1 mm	Approximately 2.5-3.0 kg
Expiry date, min	At least 120
Readiness for initial loads	In 24 hours
The possibility of laying ceramic and stone tiles, not earlier	After 72 hours
Further technical works	After 7 days
Adhesion strength to the concrete base after endurance in air-dry conditions, MPa	At least 1.6
Compressive strength limit after 28 days, MPa	At least 20
The limit of tensile strength during bending after 28 days, MPa	At least 5.0
Coarseness of aggregate, mm	Not more than 0.63
Frost resistance, cycles	At least 50
Application temperature	From +5 ⁰С to +30 ⁰С
Operating temperature	From -30 ⁰С to +70 ⁰С

Preparation of the base

When preparing the base, it is necessary to comply with the requirements of DSTU-N B A.3.1-23:2013, DSTU-N B V.2.6-212:2016 and SNiP 2.03.13-88. Mineral bases made of concrete, cement and cement-lime plaster, masonry with even and full seams (do not use mixed masonry), dry cement screeds must be non-deformable, strong and hard, without cracks and deflections, cleaned of dust, dirt, oils, fats, paint and other substances that reduce the adhesion of the solution to the base. Small unevenness of the surface of the base should be smoothed, and weak layers should be removed. Sharp edges and corners should be broken off and rounded to a radius of 4 cm. Cracks larger than 0.5 mm should be widened and filled with a repair mixture. In case of leaky walls and floors, it is necessary to apply waterproofing tapes and patches. Brick and concrete structures must be maintained for at least 3 months. Cement floors and plasters — at least 28 days. Before applying the first layer of waterproofing FW 20, the base must be moistened with water.
Preparation of the solution

Pour the dry mixture into a container with clean water at room temperature in the proportion: 0.25-0.32 l per 1 kg of the mixture. Mix thoroughly with a mixer or a low-speed drill with a nozzle to a uniform consistency without lumps and clots. After that, keep the solution for 5 minutes and mix thoroughly again. Use clean containers and tools for cooking. The solution must be used within 2 hours.
Recommendations

When laying facing tiles, it is necessary to use a plastic toothed spatula. Waterproofing FW 20 is used only from the side of moisture. The freshly laid mixture must be protected from rain, overheating, sub-zero temperatures and direct sunlight for 24 hours. Work must be performed at an air temperature of +5°C to +30°C. The most effective result is achieved at a temperature of +20°С and a relative humidity of 60%. In other conditions, the working parameters of the mixture may change. In the case of using the mixture in non-standard conditions or for other purposes, it is necessary to conduct tests yourself or consult with the manufacturer. The manufacturer is not responsible for improper use of the material, as well as its use for other purposes and conditions not provided for in the technical description. The FW 20 floor mix contains cement that causes an alkaline reaction at the moment of hydration, so it is necessary to protect the eyes and skin when working. If the mixture gets into the eyes, they should be immediately washed with running water and consult a doctor.

Execution of works

The prepared solution is applied in a thin layer using a paint brush or brush to a moist, but not wet, base, following the "wet on wet" method. The solution must be applied in one direction without cross movements. The applied layer is necess
Packaging

Paper bags with an inner polyethylene layer of 25 kg.
Storage

The mixture must be stored in the company's airtight packaging in a dry room, on pallets. The shelf life is 12 months from the date of manufacture indicated on the package.
Cost

On average, 3 kg of finished waterproofing is used per 1 m², depending on the thickness of the applied layer and purpose.