Favourites
user-icon
Dashboard
SGD - $

Mapei Keraflex Maxi S1

Model: 119125
Brand: MAPEI

Product Details

Mapei Keraflex Maxi S1

119125 ( Grey )

120225 ( White )

WHERE TO USE

• Interior and exterior bonding, up to 15 mm thick, on floor or ceramic tiles of every type and size (single and double fired tiles, porcelain tiles, klinker, terracotta, etc.) on uneven substrates and renders, without having to level the flooring beforehand.

• Interior and exterior bonding of stone materials (provided that they are not sensitive to moisture).

• Spot bonding of insulating material in interiors such as expanded polystyrene, rock and glass wool, Eraclit® (wood-cement boards), sound-deadening panels, cork, etc. Some application examples

• Bonding ceramic tiles (double-fired, single-fired, porcelain tiles, klinker etc.) and stone materials (provided that they are not sensitive to moisture) on conventional substrates such as:

– cementitious screeds and underfloor heating installations;

– cementitious renders or lime and cement-based mortar;

– gypsum board as long as firmly fixed.

• Ceramic and stone material tiles on existing flooring (ceramic, marble, etc.). • Installation of floors subjected to heavy traffic.

• Laying ceramic in areas with poor ventilation or close to inhabited buildings, where dust emission must be reduced to the minimum possible.

• Installation of floor and wall coverings on substrates waterproofed with Mapelastic.

• Interior and exterior bonding of tiles or strips (porcelain tiles, klinker, single-fired, terracotta) with highly profiled ribs or lugs.

TECHNICAL CHARACTERISTICS

Keraflex Maxi S1 is a grey or white powder composed of cement and fine graded sands. It contains a high quantity of synthetic resins and special additives according to a formulation developed in MAPEI’s research laboratories. The innovative Low Dust technology which characterises this adhesive, allows the amount of dust emitted while mixing the product to be drastically reduced compared with standard cementitious MAPEI adhesives, making the work area more comfortable and healthy for floor layers. A mortar with the following features is obtained when Keraflex Maxi S1 is mixed with water:

• Low viscosity, therefore easily workable.

• Highly thixotropic: Keraflex Maxi S1 can be applied on a vertical surface without slumping or letting even heavy and large tiles slip. Tiles can be installed from the top towards the bottom without using spacer pegs.

• Good capability to accommodate the different deformation of the covering from the substrate.

• Hardens, even when very thicky applied, without appreciable shrinkage and without decreasing in thickness, until acquiring a considerable resistance.

• Particularly extended open and adjustability time, facilitating installation.

RECOMMENDATIONS

Do not use Keraflex Maxi S1 in the following cases:

• On wood and wooden conglomerates.

• On metal, rubber, PVC and linoleum surfaces.

• With marble and natural stone slabs subject to efflorescence or stains.

• With natural or artificial stone material slabs subject to movement due to moisture.

• On precast concrete or subject to strong movement.

• When surfaces need to be ready for traffic in a short time.

APPLICATION PROCEDURE

Preparing the substrate All substrates receiving Keraflex Maxi S1 must be cured, mechanically resistant, solid, clean, free of cracks, loose material, oil, grease, wax and dust and sufficiently dry. Cementitious substrates should not be subject to shrinkage after the installation of ceramic tiles, therefore during spring and summer renders must cure at least one week for each cm of thickness and cementitious screeds must have an overall cure time of at least 28 days, unless they are made with special binders for MAPEI screeds such as Mapecem, Mapecem Pronto, Topcem or Topcem Pronto. Dampen with water to cool surfaces heated from exposure to sunlight.

Gypsum substrates and anhydrite screeds must be perfectly dry, sufficiently hard and free from dust. It is absolutely essential that they be abraded, then treated with Primer G or Mapeprim SP, while areas subject to extreme dampness must be primed with Primer S.

Preparing the mix

Mix Keraflex Maxi S1 with clean water until a smooth, lump-free paste is obtained. Leave to rest approximately 5 minutes and re-stir. Use approximately 8 l of water per bag of product. Mixed this way, Keraflex Maxi S1 has a pot life of approximately 8 hours.

Applying the mix

Keraflex Maxi S1 is applied to the substrate using a notched trowel. Choose a trowel that allows for a complete coverage to the backs of the tiles to be installed. To achieve good adhesion, first spread a thin layer of Keraflex Maxi S1 on the substrate using the straight edge of the trowel. Immediately after apply the desired thickness of Keraflex Maxi S1 using a suitable notched trowel, depending on the type and size of the tiles. For outdoor ceramic tile floors and walls, sizes greater than 900 cm², floors that must be smoothened at installation or subject to heavy loads, or when applying in swimming pools and basins filled with water, spread the adhesive on the back of the tile (back buttering) in order to ensure a complete coverage. As an alternative, for laying large-sized tiles or slabs indoors, to improve buttering on the back of the tile, the mix may be made more fluid by increasing the amount of water.

Installing the tiles

There is no need to wet the tiles before installing them. Only with very dusty backs is it recommended to dip the tiles in clean water. Tiles should be installed under a firm pressure to ensure a good coverage of the adhesive. In normal temperature and humidity conditions, the open time of Keraflex Maxi S1 is at least 30 minutes. Unfavourable weather conditions (strong sun, wind, high temperatures, etc.) or a highly absorbent substrate can reduce the open time, even to just a few minutes. Careful checks must be made to ensure that a skin does not form on the surface of the spread adhesive, which should stay fresh. If not, re-freshen the adhesive by re-spreading with a notched trowel. It is not recommended to wet the adhesive with water once a skin has formed because, instead of dissolving the skin, the water will form an anti-adhesive film. If necessary, tiles should be adjusted within 60 minutes after installation. Tiling installed with Keraflex Maxi S1 must not be washed or exposed to rain for at least 24 hours and must be protected from frost and strong sun for at least 5-7 days.

Spot-bonding insulating materials For spot-bonding sound-deadening or insulating panels, apply Keraflex Maxi S1 with a trowel or a float, in the necessary thickness required by the evenness of the surfaces and by the weight of the panels.

GROUTING AND SEALING

Wall joints can be grouted after 4-8 hours and floor joints can be grouted after 24 hours with the specific MAPEI cementitious or epoxy Expansion joints must be sealed with the specific MAPEI sealants.

SET TO LIGHT FOOT TRAFFIC

24 hours.

POLISHING

Surfaces can be polished after approximately 14 days.

READY FOR USE

Surfaces are ready for use after approximately 14 days. Cleaning Tools and containers should be cleaned with plenty of water while Keraflex Maxi S1 is still fresh. Surfaces should be cleaned with a damp cloth, before the adhesive dries.

CONSUMPTION

Bonding ceramic tiles – 1.2 kg/m² per mm of thickness. Bonding panels – Applied with a trowel approx. (rounded notch): 6-7 kg/m² – Spot-bonding (with a trowel): 4-6 kg/m²

PACKAGING

Keraflex Maxi S1 grey is available in 25 kg paper bags. Keraflex Maxi S1 white is available in 23 kg paper bags.

STORAGE

Keraflex can be stored 12 months in a dry place in its original packaging. The product complies with the conditions of Annex XVII to Regulation (EC) N° 1907/2006 (REACH), item 47.

SAFETY INSTRUCTIONS FOR PREPARATION AND INSTALLATION

Keraflex Maxi S1 is irritant, it contains cement that when in contact with sweat or other body fluids causes irritant alkaline reaction and allergic reactions to those predisposed. It can cause damage to eyes. In case of contact with eyes or skin wash immediately with plenty of water and seek medical attention. It is recommended to use protective gloves and goggles. For further and complete information about the safe use of our product please refer to the latest version of our Material Safety Data Sheet.

PRODUCT FOR PROFESSIONAL USE.

WARNING

Although the technical details and recommendations contained in this product data sheet correspond to the best of our knowledge and experience, all the above information must, in every case, be taken as merely indicative and subject to confirmation after long-term practical application; for this reason, anyone who intends to use the product must ensure beforehand that it is suitable for the envisaged application. In every case, the user alone is fully responsible for any consequences deriving from the use of the product.


Questions?

Please log in to post a comment
Bulk Discount
S$ 24.84S$ 32.40(exc. GST)
S$ 27.08 - S$ 35.32(inc. GST)
Free Shipping above SGD 800 spent in this shop
UnitsDiscountUnit Price
1 ~ 49-S$ 27.60
50++10% OFFS$ 24.84
Colour:
This product may be active soon.
Subscribe to be notified when it is restocked

Similar Products

Loading Trending..

See More Categories