Aquatech

Aquatech is a liquid waterproofing sheath in the form of a water emulsion based on styrene-acrylic elastomers. It can be applied by brush, roller, long-handled scrubbing brush, trowel or by airless pump. Once dried, it becomes an elastic, waterproof, UV-resistant and water-resistant membrane that can be walked on for inspection and maintenance work. Aquatech is classified according to EN 14891 as waterproofing product type DM O1 P to be used under ceramic tiles bonded with type C2 adhesives according to EN 12004. Aquatech is certified by GEV as EC1 Plus for its very low emissions of volatile organic compounds. Once installed, the product meets the requirements for class E construction materials according to DIN EN 13501-1.

Instructions for use

Preparation for use
Surfaces to be waterproofed must have a sufficient slope to ensure water runoff, although occasional water stagnation may be tolerated. There is therefore no need to even out any slight imperfections in the substrate. Coarse irregularities, however, must be eliminated. Cementitious substrates must be completely hardened (at least 28 days old) and/or have a residual moisture content, determined by calcium carbide hygrometer, of less than 4% by weight. Higher humidity values can cause bubbles and detachment. The substrate must be clean and dry, free of brittle parts. It is recommended to brush vigorously with a steel brush and then dust thoroughly. A vapour barrier and vents must be provided for the roofs of inhabited environments. For intensely cracked surfaces it is recommended to reinforce Aquatech with suitable reinforcement tissue Torggler Tessuto NT 50. In this case it is recommended to apply a large amount of the previous coat of product, making sure that, when the fabric is applied, the material is still fresh and sufficient to guarantee a total wetting of the fabric, also thanks to the necessary compression operation, with the help of suitable equipment, to allow a perfect integration of the fabric with the product. In this way it is possible to avoid detachment phenomena caused by insufficient contact area and lack of integration of the Tessuto NT 50 tissue into the waterproofing material. Expansion joints and, in any case, all cracks or fissures due to periodic movements of the substrate must be sealed after the application of the waterproofer with Silicone Low Modulus from the Torggler range or insulated by applying elastic reinforced overlapping tapes between them, incorporating them between the two coats of Aquatech. For perimeter connections and connections to chimneys, vents, etc., it is recommended to use our self-adhesive Perimeter Tape 0.10 (4×15 m).

Product preparation
Mix Aquatech properly before use. To improve adhesion on porous substrates, it is recommended to perform a pre-treatment based on Aquatech diluted with about 50% of water, depending on the porosity of the substrate. Consumption of pure Aquatech: approx. 150 g/m².

Instructions for application
When the anchor base can be walked on (depending on the environmental conditions, it is necessary to wait from 2 to 10 hours), apply Aquatech, with brush, roller, long-handled scrubbing brush, trowel or airless pump in at least two crossed coats. For roller application it is recommended to use a medium hair roller. Aquatech must be applied as is, undiluted at least 1 kg/m2, in order to obtain a dried layer of about 0.5 mm. Each coat must be applied only after the previous one can be walked on. Aquatech is available in three colours – white, grey and brick red – to allow the application of two coats, of different colours, on the whole surface to be treated.The airless pump must be equipped with nozzles of suitable size (indicatively between 0.023 and 0.039 inches or 0.58 and 0.99 millimetres, taking care not to use vaporizer nozzles larger than the ones supported by the pump).

Cleaning
Clean the tools used with water immediately after use. The dried product must be removed with solvents (mineral spirit, nitro solvent, etc.).

Example of application
According to DIN 18534: for wall and floor surfaces in water exposure classes W0-I and W1-I on wall surfaces in zone W2-I.
Ready-to-use, fast-drying, solvent-free liquid waterproofing film applied to walls and interior floor surfaces, in wet and damp environments, under ceramic and natural stone tiling, including bathroom floor surfaces without floor drains with shower tray or bathtub and wall surfaces in sanitary rooms in public and commercial areas with floor drains without chemical exposure.

Types of substrate
Depending on the moisture stress classes or type of substrate, mineral substrates made of concrete, lightweight concrete, aerated concrete, cement and lime and cementitious plasters, gypsum plaster and gypsum fibreboard, gypsum plaster and wall binding agent, solid joint masonry, also masonry (not mixed masonry) are suitable. For cement screeds, calcium sulphate screeds (anhydrite and anhydrite sliding screeds), dry screeds, cement-bonded dry construction panels, metal substrates (for treatment of metal substrates), contact the Technical Assistance Service.

Application and implementation
The substrate must be pre-treated with Tile Primer (acrylic styrene polymer based primer in water dispersion) or Multigrip (one-component adhesion promoter), applied in one coat with roller or brush. Install the various accessories such as through-hoses with Flex Pipe Collars 22-37, 50-75 and 93-146, the polypropylene reinforcement tape with side perforations – transversely extendible and longitudinally stable, type PP Tape 120 MM-50, the Corner Tissue 90° and the Corner Tissue 270°, with products from the Torggler range such as Tile 250 (white or grey) or Tile 480 (white or grey) or Aquatech. Proceed by installing between the first and second layer of Aquatech liquid waterproofer the selfadhesive butyl collar for floor drains type Floor Collar. Depending on the water exposure class, perform the waterproofing with Aquatech applied in several layers using a roller or brush. The total thickness of the dry film must not exceed 0.5 mm. The waterproofing can be performed only in combination with Tile 250 (white/grey) and Tile 480 (white/ grey) tile adhesives.

Storage

Aquatech is stable for at least 12 months if stored in the original packaging, in a cool place (at temperatures between +5 °C and +30 °C). PROTECT FROM FROST.

Warnings

• Aquatech is not suitable as a final coating for swimming pools.
• Old bituminous coverings or non-porous metal substrates must be pre-treated with Primer Aquatech, a product that does not contain anti-corrosive additives.
• Aquatech must be applied at temperatures above +5 °C. This minimum temperature must be also guaranteed for the drying period. Do not apply the product in the presence of fog or when rain is imminent.
• The Aquatech film, if not completely dried, is damaged by the action of water.
• Do not apply on bituminous sheaths installed from less than 2 years.
• Do not apply to damp substrates with a ‘residual moisture of more than 4%.
• The product if left exposed is not resistant to puncturing.

NOTE:
When used as protection and waterproofing of all types of vertical elements: Depending on exposure, Aquatech may be subject to slight surface colour changes, which do not compromise the waterproofing and protective properties of the dried layer.