Description
Kerakoll H40 Extreme Gel Tile Adhesive is a 2-part, rapid-setting hybrid gel tile adhesive with very high bonding strength for extreme tiling applications. It can be used in all conditions, even the most extreme, meeting the needs of all installations.
Kerakoll H40 Extreme Gel Tile Adhesive features a very high bonding adhesive strength of 4.5 N/mm2 which is 5 times superior to a class C2 cement-based adhesive after 24 hours. It is also highly stress resistant, 10 times more deformable than a class S2 (> 50 mm) cement-based adhesive, guaranteeing the highest level of long-lasting performance.
Kerakoll H40 Extreme Gel Tile Adhesive is easy to spread, being 5 times less viscous than a (35 Pa·s) polyurethane adhesive, it transforms into a smooth gel like a cement-based adhesive. It always remains fluid and thixotropic, guaranteeing total wettability at all times.
Kerakoll H40 Extreme Gel Tile Adhesive is suitable for use internally and externally, on floors and walls, and can be even used for overlaying old tiles. It is suitable for use in domestic, commercial and industrial areas, such as terraces and balconies, facades, swimming pools, fountains, spas and saunas. Kerakoll H40 Extreme Gel Tile Adhesive is suitable for all types and formats of tiles and stone, such as:
- Porcelain tiles
- Laminated stoneware
- Resin-backed porcelain tiles
- Low thickness slabs
- Ceramic tiles
- Very large format tiles
- Marble
- Resin-backed marble
- Natural stone
- Recomposed materials
- Glass mosaics
- Glass tiles
- Thermal and acoustic insulation
- Terracotta – klinker
- Metal tiles
Kerakoll H40 Extreme Gel Tile Adhesive can be used on almost all substrates, including:
- Existing tiles
- Heating systems
- Cement-based screeds
- Asphalt screeds
- Concrete substrates
- Plasterboard
- Fibro-cement slabs
- Gypsum and anhydrite
- Cellular concrete
- Brick/blockwork
- Lime and cement-based plasters/renders
- Thermal insulation panelling systems
- Insulating panels
- Impact noise insulation sheets
- Cracked screeds
- Uncured damp screeds
- Timber
- Metal, sheet metal
- PVC, rubber floors
- High thickness coatings in epoxy and polyurethane resin
- GRP/fibreglass
Kerakoll H40 Extreme Gel Tile Adhesive – Instructions for use:
Preparation of the substrate:
All the substrates must be flat, compact, free from dust, loose particles and debonding agents and not be subject to moisture rising. It is best to apply a coat of diluted Kerakoll Primer A Eco on very absorbent cement-based substrates.
Please note: For pre-treatment of internal special substrates such as sheet metal, metal, timber, rubber floors and PVC, clean with Kerakoll Keragrip Eco Pulep.
Mixing:
Single Pack: Part B is found inside the pack. Respect the preset ratio of 8.6 : 1.4.
Remix part B into the bucket containing part A, being careful to mix the two parts uniformly until a smooth, even coloured mixture is obtained.
For ease of mixing and application, it is recommend to store packs of Kerakoll H40 Extreme Gel Tile Adhesive at a temperature of ≈ +20 °C for at least 2/3 days prior to use.
Application:
Kerakoll H40 Extreme can be applied with a suitable notched trowel, to be chosen according to the size and type of the tile. Using the smooth part of the trowel, apply a fine layer of product, pressing down onto the substrate in order to ensure maximum adhesion. Press down each tile into the ribbed adhesive to allow for maximum coverage of the surface.
To guarantee structural adhesion it is necessary to apply a layer of Kerakoll H40 Extreme Gel Tile Adhesive sufficient to cover the entire back of the coating material.
Large, rectangular sizes with sides > 60 cm and low thickness sheets may require adhesive to be applied directly to the back of the material.
Check samples to make sure the adhesive has been transferred to the back of the material.
Create elastic expansion joints:- ≈ 10 m2 in external applications (approx. 3×3 m), – ≈ 25 m² in internal applications (8×5 m), and – every 8 metres in long, narrow applications. Respect all structural, fractionizing and perimeter joints present in the substrates.
Cleaning:
Clean the tools and any residues of Kerakoll H40 Extreme from the coated surfaces with water while the adhesive is still fresh. Once hardened, the adhesive can only be removed mechanically or using Kerakoll Fuga Shock Eco cleaner.
Technical Data:
Mixing Ratio: part A : part B = 8.6 : 1.4
Adhesive thickness: from 2 to 15mm
Temperature of the air, substrates and materials: from +5°C to +35°C
Pot life at +23°C: 110 minutes
Pot life at +35°C: 80 minutes
Open time at +23°C (BIII tile): 23°C = 180 minutes, +35°C = 90 minutes
Correction time (BIII tile): 23°C = 120 minutes, +35°C = 60 minutes
Foot traffic/grouting of joints at +23°C (BIa tile): 4 hrs
Foot traffic/grouting of joints at +5°C(BIa tile): 15 hrs
Ready for use at +23°C / +5 °C (BIa tile): – light foot traffic ≈ 6 – 20 hours, – heavy traffic ≈ 12-24 hours, – swimming pools (+23°C) ≈ 3 days
Coverage per mm thickness: 1.45 kg/m2
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