ADHESIVE FOR CERAMIC TILES,
FOR INTERNAL USE

USE

ATLAS INTER is an adhesive designed for fixing wall and floor ceramic tiles (glazed tiles, terracotta. ATLAS INTER can be used on the following substrates: cement plaster, cement-lime plaster, concrete, cement or anhydrite jointless floor, and rough surfaces made of bricks, blocks, hollow bricks and other similar ceramic or lime-sand materials. It is suitable for bricklaying and surface levelling as well as a surface-finishing coat. It is suitable for internal use with maximum bed thickness of 2÷5 mm.

PROPERTIES

Cementitious adhesive, unsuitable for outdoor use ATLAS INTER is a ready-to-use dry mix of top-quality cement binder, aggregates and modifying agents. Owing to its technical parameters, it is very efficient, convenient and easy to use. Optimum selection of consistency and thickness of adhesion layer in accordance with recommendations (for relevant conditions of adhesive application) eliminates slip of newly adhered tiles. ATLAS INTER is frost- and water-resistant.

SUBSTRATE PREPARATION

The substrate should be dry, stable, even and structurally sound i.e. strong enough; it should be free from anything that may weaken strength of adhesion, in particular dust, dirt, lime, oil, grease, wax, remains of emulsion and oil paint. It is recommended that any irregularities of substrate’s surface that prevent application of the appropriate bed thickness (2÷5 mm) of ATLAS INTER should be adjusted with, for example, ATLAS LEVELLING MORTAR, ATLAS PLASTERING MIX, ATLAS TEN-10 mortar, etc. If necessary, use ATLAS UNI-GRUNT priming emulsion to reduce substrate’s excessive absorptivity. In case of applying the adhesive to unstable substrates of bearing capacity that can hardly be determined (e.g. dusty, difficult to clean), it is recommended to make an adhesion test, i.e. to adhere a tile and check the bonding after 48 hours.

ADHESIVE PREPARATION

In order to prepare the adhesive, pour dry mix into a container with suitable amount of water (in proportion: 0.21÷0.23 l of water for 1 kg of dry adhesive) and mix until homogenous. It is best to mix it mechanically, using a drill with a mixer. The adhesive is ready to use after 5 minutes and after remixing. It maintains its properties for ca. 3 hours.

APPLICATION

ATLAS INTER is applied in a thin layer for tiling. Apply the adhesive to the prepared, primed substrate with a trowel or a smooth float made of steel and then distribute it evenly and shape it (possibly in one direction) using a notched trowel. Do not lay the adhesive over excessively large surface because it maintains its adhesive properties for 10÷20 minutes (depending on the substrate and environment). In order to check if it is still possible to fix tiles, you should make a test, i.e. press the adhesive with your fingers. If the adhesive has remained on the fingers, you may fix tiles. If the fingers are clean, remove the old layer of the adhesive and apply a new one. After having spread the adhesive, place the tile and press it towards the substrate. Apply so much adhesive that when a tile is pressed down, its contact surface with the adhesive is even and as large as possible (min. 2/3 of tile surface). In case of floor tiling, it is recommended to ensure complete adhesion surface. To do that, apply the adhesive both on the substrate as well as on the other side of the tile. Tile position may be adjusted within 10 minutes afterwards. If grouting is to be carried out, remove excess of the adhesive when tiles are pressed towards the surface. The floor can be accessed or grouted no earlier than 24 hours after the tiles have been fixed; the adhesive achieves its full functional strength after 3 days. The information comprises basic instructions of product application and does not relieve users of responsibility for work in accordance with good construction practice and OHS regulations.

CONSUMPTION

On average 1.5 kg of the adhesive is used for 1 m2 for each 1 mm of the adhesive layer. In practice consumption depends on how smooth and even the substrate is and what type of tiles is applied. Approximate consumption of adhesive for selected types of tiles Type of tile Trowel’s notch size Thickness of adhesive layer Average consumption (kg/m2) Small tiles (up to 10x10 cm) of smooth or slightly profiled bottom surface 4.0 mm ca. 2.0÷3.0 mm 2.1÷4.5 Medium tiles (25x25 cm) of slightly profiled bottom surface 6.0÷8.0 mm ca. 2.5÷4.0 mm 2.65÷6.0 Large tiles (30x30 cm) of medium profiled bottom surface 8.0÷10.0 mm ca. 3.5÷5.0 mm 3.7÷7.5

TOOLS

A drill with q mixer, smooth and notched float made of steel. Wash the tools with clean water directly after use. Clean the remainder of the set mortar that is difficult to remove with ATLAS SZOP.

PACKAGING

Paper bags: 25 kg Pallet: 1050 kg in 25 kg bags

STORAGE & TRANSPORT

Store and transport in tightly closed bags, in dry conditions (pallets are particularly recommended). Keep dry. Shelf life in conditions complying with the requirements is 12 months from the date on the packaging.

CAUTION

Irritant. Protect skin, eyes and respiratory system. Keep out of the reach of children. Do not inhale dust. In case of contact with eyes, immediately rinse them with plenty of water and seek medical attention. In case of ingestion, immediately seek medical attention and show doctor the packaging or label.

TECHNICAL DATA

Mixing proportions: 5.25÷5.75 l of water for 25 kg of mortar Pot life – ca. 3 hours Open time – min. 20 minutes Tile adjustment time – min. 10 minutes Temperature: adhesive preparation temperature – from +5°C to +25°C Substrate and ambient temperature during work – from +5°C to +25°C Resistance to temperature during work from +5°C to +60°C Floor utilisation – after 24 hours Grouting – after ca. 24 hours Min. bed thickness - 2 mm Max. bed thickness - 5 mm Content of soluble chromium (VI) in ready-to-use mix - ≤ 0.0002% PN-EN 12004: 2002/A1: 2003 Cementitious adhesive unsuitable for external use - C1T type Tensile adhesion C1T type initial (≥ 0.5 N/mm2) After water immersion After heat ageing NPD After freeze-thaw cycles Open time – adhesion after open time no less than 20 minutes - C1T Slip C1T

CERTIFICATES

The product conforms with EN 12004:2007 for C1T class adhesive, and has been given Hygiene Certificate no. HK/B/1552/02/2005 by the National Institute of Hygiene.