Waterproofing mortar grey SIKA SikaLastic-1K 18 kg grey – white
Sikalastic -1K is a one-component, fibre-reinforced, cement-based crack-bridging mortar modified with special alkali-resistant polymers. Sikalastic -1K can be applied by brush or trowel.
- Single component, just add water
- Adjustable consistency, easy to apply with a brush or trowel
- Good sag resistance and easy to apply, even on vertical surfaces
Sikalastic -1K is a one-component, fibre-reinforced, cement-based crack-bridging mortar modified with special alkali-resistant polymers. Sikalastic -1K can be applied by brush or trowel.
- Single component, just add water
- Adjustable consistency, easy to apply with a brush or trowel
- Good sag resistance and easy to apply, even on vertical surfaces
USES :
- Flexible sealing and protection of concrete structures such as tanks, reservoirs, pipes, etc.
- Waterproofing of bathrooms, showers, terraces, balconies, swimming pools, pre-laying of ceramic coverings with glue
- External waterproofing of buried walls
- Interior sealing of basement walls and floors with negative water pressure
- Flexible coating to protect reinforced concrete structures against the freeze-thaw effect and carbon dioxide attack to improve their durability
- Single component, just add water
- Adjustable consistency, easy to apply with a brush or trowel
- Good sag resistance and easy to apply, even on vertical surfaces
- Good crack bridging ability
- Excellent adhesion to many substrates including concrete, mortar, stone, masonry
- Can be applied to damp substrates
PACKAGING :
- 18kg bags
COLOUR :
- Light grey and white
Chemical basis :
Cement modified with alkali-resistant polymers, selected aggregates, additives and fibres.
Conservation :
12 months from date of manufacture
Storage conditions :
Store properly in its original packaging in a cool, dry place. Protect from water.
Maximum particle size :
Dmax : ~ 0.3mm
Tensile adhesion :
| ≥0.8N/ mm2
Value obtained with a total thickness of 3 mm in two layers with 22% water |
(EN1542) |
| Method of
test |
Conditions | |
| Initial adhesion: tensile strength | A .6.2 | ≥0.5N/ mm2 |
| Adhesion after immersion in water | A.6.3 | ≥0.5N/ mm2 |
| Adhesion after thermal ageing | A.6.5 | ≥0.5N/ mm2 |
| Adhesion after freeze-thaw cycles | A.6.6 | ≥0.5N/ mm2 |
| Adhesion after immersion in lime water | A.6.9 | ≥0.5N/ mm2 |
| Adhesion after contact with chlorinated water | A.6.7 | ≥0.5N/ mm2 |
Values obtained with a total consumption of 3.6 kg/m 2 in two coats with 30% water
Crack bridging capacity :
| ≥ 0.50 mm (Class A 3, +23 ºC) 1 | (EN1062-7) |
| ≥ 0,75 mm (+23 °C) 2 | (EN 14891 A.8.2) |
| ≥ 0,75 mm (–5 °C) 2 | (EN 14891 A.8.3) |
1Value obtained with a total layer thickness of 3 mm in two layers with 22% water
2 Value obtained with a total consumption of 3.6 kg/m 2 in two layers with 30% water
Reaction to fire :
| Euroclass A2 | (EN 13501-1) |
Resistance to ice salts – Thawing
| ≥0.8N/ mm2 | (EN 13687-1) |
Value obtained with a total layer thickness of 3 mm in two layers with 22% water
Water vapour permeability
| Class I (permeable) | ET < 5m |
Value obtained with a total layer thickness of 3 mm in two layers with 22% water
Capillary Absorption
| ~0,02 kg/m 2 ∙h 0,5 | (EN1062-3) |
Value obtained with a total layer thickness of 3 mm in two layers with 22% water
Pressurised water penetration
| No penetration after 72h at 5.0 bar 1 | (EN 12390-8) 2 |
| No penetration after 7 days at 1.5 bar 3 | (EN 14891 A.7) |
1 Value obtained with a total layer thickness of 3 mm in two layers with 22% water
2 Amended
3 Value obtained with a total consumption of 3.6 kg/m 2in two layers with 30% water
Water penetration under negative pressure
| No penetration after 72 hours at 2.5 bar | (UNI 8298/8) |
Value obtained with a total layer thickness of 3 mm in two layers with 22% water
CO2 permeability
| DS ≥ 50m | (EN1062-6) |
Value obtained with a total layer thickness of 3 mm in two layers with 22% water
Mixing ratio :
| Application process | water dosage |
| Brush | ~5.4 litres per 18 kg bag |
| trowel | ~4 litres per 18 Kg bag |
Density of fresh mortar :
~1.5kg/litre
Layer thickness
Constant thickness of 3 mm, applied in a minimum of 2 layers.
The maximum recommended thickness per coat is 2 mm when applied with a trowel and 1 mm when applied with a brush.
Ambient temperature :
5 ºC min. / 35ºC max.
Supporting temperature :
5 ºC min. / 35ºC max.
Pot life :
~30 minutes at +20°C
Waiting time / Recoverability
Sikalastic®-1K must be fully cured before it is covered or brought into contact with water.
Consumption :
Depends on the roughness of the substrate, as an indication: ~1.2 kg/m 2/mm
| Weight | N/A |
|---|---|
| Couleurs | Grey, White |
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