Adhesive and Leveling Mortar Rasokol
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- Product-specific application and technical instructions
- Deco Paint expert support
Rasokol
Rasokol OIKOS is a carefully developed, ready-mixed powder mortar that is ideal for the implementation of thermal insulation systems both indoors and outdoors. The product is based on Portland cement, quartz sand and synthetic fillers and is available in two grain sizes: Fino (0.6 mm) and Medio (0.8 mm). Rasokol's unique adhesion and filling properties make it the perfect choice for leveling, reinforcing and insulating various surfaces.
Key features
- Strong adhesion and durability: Rasokol provides excellent mechanical adhesion to thermal insulation boards and reinforcing meshes.
- Versatile use: Suitable for new construction and renovation projects, attics, basements, facades, ventilated structures and roof substrates.
- Dual-purpose mortar: Works as both an adhesive and a leveling layer on top of insulation boards.
- Non-flammable and environmentally friendly: Safe to use both indoors and outdoors. Contains no solvents or harmful substances.
- Adaptable viscosity: Can be mixed with water to form an easy-to-apply paste, achieving a smooth and strong surface.
- Certified performance: Designed to meet the high technical requirements of modern thermal insulation systems.
Applications and technical application
- Applications: EPS and XPS boards, polyurethane boards, cork, mineral fibre boards, cement-based plasters, concrete, brick, fibre cement boards and dried gypsum substrates (primed).
- Surface preparation: Thoroughly clean the surface to be treated. Remove all loose material, dust, grease and any possible contaminants. Make sure the surface is dry, load-bearing and even. For weakly bonded surfaces, OIKOS NEOFIX primer is recommended.
- Mixing and application: Mix one 25 kg bag with approx. 6 litres of clean water using a mixer drill at low speed. Let the mass rest for approx. 10 minutes and mix again before use. The finished mass remains usable for approx. 4 hours.
- Application methods: Board attachment: Apply the mortar with a notched trowel to the entire surface of the insulation board or as an edge and spot application.
- Floor coat: After attachment, wait 24 hours and apply a layer of approx. 2–3 mm of Rasokol. Embed the glass fibre mesh in the floor coat with an overlap of 10 cm. The second floor coat can be applied the following day.
- Final work: Finishing products can only be applied when the surface is completely dry and cured.
- Fire rating: Non-flammable
Safety information
The product does not contain heavy metals, chlorinated solvents or other harmful substances. It is not flammable and does not cause hazardous polymerization reactions. Use normal precautions when handling cement-based products. Avoid contact with eyes or respiratory tract. Wear personal protective equipment. Waste and spillages must be disposed of in accordance with local and national waste management regulations.
Rasokol is the professional's choice for fixing and reinforcing insulation boards when you want to combine performance, safety and environmental friendliness.
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Composition |
Gray-white powder |
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Grain size |
•Fine = 0±0.6mm •Medium = 0±0.8mm |
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Apparent bulk density |
1350 kg/m3 |
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Thermal conductivity |
0.41/0.47 W/mK (table value) |
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Vapour permeability coefficient |
14µ |
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Amount to be mixed with water for each 25 kg bag |
6 litres |
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Workability |
Approx. 4 hours* |
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Permitted application temperatures |
+5°C to +35°C |
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Surface levelling |
At least 24 hours* after application |
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Second levelling layer |
At least 24 hours* |
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Finishing products application |
After 7 days* |
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Packaging |
Kg 25 |
*Data expressed at (23±2)°C and (50±5)% relative humidity. Lower temperatures will extend the curing and setting time.
Warnings:
- According to DM 10-05-2004, the product must be stored in its original and undamaged packaging and must be used within six months of the date printed on the packaging.
- Do not break up the powders. Automatically preset component dosing, continuous and systematic checks of raw materials and finished product ensure high quality standards that are consistent over time.
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Consumption (adhesive) |
Local bonding of tiles: approx. 4 kg/m². Full surface bonding with a notched trowel: approx. 5 kg/m² (use an 8–10 mm trowel) |
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Consumption (mortar) |
Approx. 1.3 kg/m² per millimeter applied |
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Tool cleaning |
Wash hands and tools with plenty of clean water before the adhesive starts to harden. Hard to clean after hardening |
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Warnings |
•Do not use on metal or wooden surfaces or surfaces subject to heavy movement (asbestos cement fibreboards, wood fibreboards). |
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Water absorption |
•< 0.2 kg/m2 after 1 hour •< 0.3 kg/m2 after 24 hours |
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Adhesion to concrete substrate |
•>1.5 N/mm2 dry •>0.5 N/mm2 wet after 2 hours of drying •>1.5 N/mm2 wet after 7 days of drying |
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Adhesion to brick substrate |
•>0.5 N/mm2 dry •>0.4 N/mm2 wet after 2 hours of drying •>0.5 N/mm2 wet after 7 days of drying |
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Adhesion to gypsum substrate |
•>0.5 N/mm2 dry •>0.4 N/mm2 wet after 2 hours of drying •>0.5 N/mm2 wet after 7 days of drying |
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Adhesion to insulation boards (EPS) |
•>0.1 N/mm2 dry •>0.05 N/mm2 wet after 2 hours of drying •>0.1 N/mm2 wet 7 after drying for 1 day |
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Bending strength |
3.5N/mm² |
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Compressive strength |
8.5N/mm ² |
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Moisture resistance |
Excellent |
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Aging resistance |
Excellent |
Neofix
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