£1,299.90 – £2,498.90 +VAT
Coverage: ≈ 1.45 kg/m2 per mm of thickness
Intended use:
Substrates:
Materials:
Uses:
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.
Adhesive preparation
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 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 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,
– ≈ 25 m2 in internal applications,
– every 8 metres in long, narrow applications.
Respect all structural, fractionizing and perimeter joints present in the substrates.
Cleaning
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 FugaShock Eco cleaner
| Shelf life | ≈ 24 months from the date of production in the original, unopened packaging; protect from frost and humidity |
| Pack | monopack 10 kg (8,6 +1,4 kg) |
| Mixing ratio | part A : part B = 8.6 : 1.4 |
| Adhesive thickness | from 2 to 15 mm |
| Temperature of the air, substrates. and materials | from +5 °C to +35 °C |
| Pot life: | |
| - +23 °C | ≈ 110 min |
| - +35 °C | ≈ 80 min. |
| Open time (BIII tile): | |
| - +23 °C | ≈ 180 min. |
| - +35 °C | ≈ 90 min. |
| Correction time (BIII tile): | |
| - +23 °C | ≥ 120 min. |
| - +35 °C | ≥ 60 min. |
| Foot traffic/grouting of joints (BIa tile): | |
| - +23 °C | ≈ 4 hrs |
| - +5 °C | ≈ 15 hrs |
| Ready for use at +23 °C / +5 °C (BIa tile) | |
| - light foot traffic | ≈ 6 – 20 hrs |
| - heavy traffic * | ≈ 12 – 24 hrs |
| - swimming pools (+23 °C) | ≈ 3 days |
| Coverage per mm of thickness | ≈ 1.45 kg/m2 |
| Shear adhesion after 7 days | ≥ 7,5 N/mm2 | EN 12004-2 |
| Shear adhesion after water immersion | ≥ 5 N/mm2 | EN 12004-2 |
| Shear adhesion after thermal shock | ≥ 5,5 N/mm2 | EN 12004-2 |
| Shear adhesion after immersion in chlorine water | ≥ 3 N/mm2 | EN 12004-2 |
| Adhesion test according to EN 12004 for class C (cement based) adhesives | ||
| Tensile adhesion (concrete/porcelain tile): | ||
| - after 6 hrs | ≥ 2,4 N/mm2 | EN 12004-2 |
| - after 28 days | ≥ 4,5 N/mm2 | EN 12004-2 |
| Durability test: | ||
| - adhesion after heat ageing | ≥ 4 N/mm2 | EN 12004-2 |
| - adhesion after water immersion | ≥ 2,5 N/mm2 | EN 12004-2 |
| - adhesion after freeze-thaw cycles | ≥ 2 N/mm2 | EN 12004-2 |
| - adhesion after straining cycles ≥ | ≥ 2 N/mm2 | SAS Technology |
| Transversal deformation | ≥ 50 mm | EN 12004-2 |
| Working temperature | from -40 °C to +90 °C |
| Brands |
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