Decorative and protective finishing of façades and internal walls.
Recommended for buildings exposed to algae and fungi – situated close to clusters of greenery and water reservoirs; high pH (~12) hinders the development of biological corrosion appearing in the form of brownish-green deposit resulting in damage to the surface.
N1 paca stalowa gładka
P1 na ściany
P3 do wewnątrz
P4 na zewnątrz
W1 mrozoodporność
W2 wodoodporność
N13 agregat do ścian
r faktura"baranek"
s faktura "kornik"
Product description
Main properties
- reinforced with polymers
- durable and resistant to micro-cracking
- vapour permeable
- hydrophobic
- two textures – spotted and rustic
Main parameters
- consumption: from 2.5 kg/m²
- compressive strength: 1.5 ÷ 5.0 N/mm²
- high pH (~12)
USE
Go topDecorative and protective finishing of façades and internal walls.
Light and durable render – it is an ideal finish for thermal insulation systems on all types of buildings.
Recommended for buildings exposed to algae and fungi – situated close to clusters of greenery and water reservoirs; high pH (~12) hinders the development of biological corrosion appearing in the form of brownish-green deposit resulting in damage to the surface.
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Types of rendered buildings – detached houses, apartment buildings and public access buildings. Types of substrates – concrete, traditional plasters on walls of bricks, blocks, or ceramic, cellular concrete or silicate hollow bricks, plasterboards, thermal insulation systems with EPS, XPS and mineral wool. |
PROPERTIES
Go topResistant to micro-cracking – contains special fibres reinforcing its structure.
Durability parameters meliorate in use - thanks to the positive influence of natural carbonation process of mineral renders, which limits their absorbability, hardens structure and improves resistance to chemical aggression.
High durability and hardness – owing to the polymer - reinforced mix of binders – white, fine, high grade cement type and lime, and also due to the specially selected quartz aggregate.
Hydrophobic layer – the content of hydrophobic agents reduces the absorbability of the render and protects the partition against the effects of precipitation.
Protected with MYCO PROTECT system – based on biocides system guarantees long time effective protection against biological corrosion, i.e. development of fungi and algae on the surface of the render.
Does not attract dust, dirt and pollen from the environment.
Non-flammable – in combination with mineral wool it forms a non-flammable thermal insulation system on walls.
After setting, does not require painting with equalizing paint in order to equalize the colour.
Suitable for machine application with a special plastering unit – the efficiency and the speed of application increase, especially on curved substrates and surfaces of irregular shapes. The machine method can be used for the application of CERMIT SN 15 and CERMINT SN 20 only. Note: machine applied render forms a spotted structure different from that obtained with manual application.
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41 colours – according to ATLAS RICH COLOUR PALETTE 2 textures: – spotted – CERMIT SN
– rustic – CERMIT DR 3 thickness options: – 1.5 mm – CERMIT SN 15 – 2.0 mm – CERMIT SN 20 and DR 20 – 3.0 mm – CERMIT SN 30 and DR 30 (only white colour) |
- coloured renders available for CERMIT SN 15 & CERMIT SN 20; a minimum order of coloured renders is 2100 kg
TECHNICAL DATA
Go topATLAS CERMIT SN or DR is manufactured in the form of dry mix of white cement, lime and quartz or dolomite aggregate.
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Mixing proportions for CERMIT SN
(water/dry mix)
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5.75 ÷ 6.50 l/25 kg
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Mixing proportions for CERMIT DR
(water/dry mix)
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5.00 ÷ 6.00 l/25 kg
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Mass preparation temperature, substrate
and ambient temperature during work
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from +5°C to +25°C
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Maturing time
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ca. 10 minutes
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Pot life
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1.5 hour
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Open time
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ca. 20 minutes
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TECHNICAL REQUIREMENTS
Go topThe renders comfort to PN-EN 998-1 standard. EC Declaration of Performance no. 013/CPR (render SN) and no. 014/CPR (render DR).
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CE 0767
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PN-EN 998-1:2012
(EN 998-1:2010)
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Factory made single-coat (OC)
rendering mortar
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for outdoor use, for masonry walls, ceilings, posts and partition walls |
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Reaction to fire – class |
A2 s1 d0
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Adhesion after required freeze-thaw cycles |
≥ 0.3 N/mm² - FP:B
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Water absorption - category
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W1
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Water permeability tested
after required freeze-thaw cycles
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≤ 1ml/cm² after 48 h
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Water vapour permeability coefficient μ |
15/35
(EN 1745:2002, table A.12)
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Thermal conductivity coefficient
(average tabular value P=50%)
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0.83 W/mK (λ10dry)
(EN 1745:2002, table A.12)
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Gross dry density
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≤ 1800 kg/m³
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Durability.
Adhesion after required freeze-thaw cycles. |
≥ 0.3 N/mm² - FP:B
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Durability. Water permeability
after required freeze-thaw cycles
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≤ 1 ml/cm² after 48 h
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Release/content of hazardous substances |
See: Safety Data Sheet
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The renders have been given the Hygiene Certificate by the National Institute of Hygiene and the Radiation Hygiene Certificate. Additionally they are included in the following approvals of thermal insulation systems:
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System name
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Technical Approval No.
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Certificate No.
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ATLAS
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ETA 06/0081
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EC No. 1488-CPD-0021
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ATLAS XPS
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ETA 07/0316
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EC No. 1488-CPD-0075
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ATLAS ROKER
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ETA 06/0173
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EC No. 1488-CPD-0036
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ATLAS RENOTER
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AT-15-8477/2010
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FPC - ITB-0456/Z
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ATLAS ETICS
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AT-15-9090/2014
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FPC - ITB-0562/Z
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ATLAS ROKER
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AT-15-2930/2012
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FPC - ITB-0436/Z
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ATLAS ROKER G
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AT-15-7314/2011
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FPC - ITB-0222/Z
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APPLICATION
Go topSubstrate preparation
The substrate should be:
• stable – sufficiently rigid and sufficiently long stabilized. The assumed stabilizing time for substrates is, respectively:
− for new cement plasters from ready to use ATLAS plastering mortars, min. 1 week for each 1 cm of thickness,
−for concrete walls - at least 28 days,
• dry,
• even – fill in larger irregularities and cavities with ATLAS LEVELLING MORTAR, ATLAS ZW 330 or ATLAS PLASTERING MIX, or adhesive mortars for the execution of the reinforced layer in thermal insulation systems. Before repair, prime the surface with ATLAS UNI-GRUNT emulsion,
• clean – free from layers that can deteriorate the adhesiveness of the render, especially dust, dirt, lime, oil, grease, wax, residues of oil and emulsion paints; a substrate covered with algae, fungi, etc. must be clean,
• primed - with ATLAS CERPLAST.
Rendering mass preparation
When preparing the mass for manual application, pour it from the bag into a container and mix dry – during transportation, aggregate segregation can occur. Next, pour the mix to a container with water (for proportions, see Technical Data section) and mix manually or mechanically until homogenous. Leave the mass to rest for 10 minutes and then remix. The ready to use mass must be used up within ca. 1.5 hour. Mix the mass from time to time while working in order to maintain homogenous consistency. While using a plastering unit, mixing has to be done according to the operation manual for the device. The level of added water has to be adjusted in such a way that the consistency of the applied render allows obtaining the appropriate texture of the one.
Render application
The mix can be applied manually or mechanically. Manual execution consists in the application of the render in a layer equal to the aggregate grain size, with a stainless steel float. Remove the excess of the material, place it in the bucket and remix. Machine application must be carried out with special plastering units.
Texture forming
The freshly applied coat requires texture forming with a float made of plastic. The spotted effect (SN render) is obtained by floating the render with circular moves, while the rustic texture (DR render) - by floating with circular, horizontal, or vertical moves, depending on the required direction of scores. The surface of the machine applied render is not shaped. It creates a spotted texture itself - different from the one in case of manual application.
Finishing works
The render can be painted with all façade paints (e.g. ATLAS ARKOL S, ATLAS ARKOL N, ATLAS FASTEL-NOVA and ATLAS ARKOL E). Painting works can start 2÷ 6 weeks after the render application (depending on the type and the colour of the paint). Only painting with ATLAS ARKOL S or ATLAS FASTEL NOVA paints can start directly after the render sets, not earlier, however, than after 48 hours (ARKOL S) or 5 days (FASTEL NOVA).
CONSUMPTION
Go top− ca 2.5 kg of CERMIT SN 15 for 1 m²
− ca 3.0 kg of CERMIT SN and DR 20 for 1 m²
− ca 4.0 kg of CERMIT SN and DR 30 for 1 m²
IMPORTANT ADDITIONAL INFORMATION
Go top• The open time (between the application and the floating) depends on the absorbability of the substrate, the ambient temperature and the consistency of the render. The maximum surface possible for rendering in one technological cycle (application and floating) must be established experimentally (for the given type of substrate and weather conditions).
• Apply the render using the “wet on wet” method, preventing the floated layer from drying before applying the next layer. Otherwise, the seams will be visible. Technological breaks have to be planned in advance, e.g. in the corners and angles of the building, under rainwater pipes, or place of contact of two colours, etc.
• Protect the rendered surface both during work and while setting against direct sunlight, wind and precipitation.
• The setting time, depending on the substrate, temperature and relative air humidity, is from 12 to 48 hours. The substrate temperature during work and render setting must be between +5°C and +25°C.
• In order to avoid differences in colour shades while applying mineral render, cover one surface with the render of the same manufacturing date.
• Tools must be cleaned with clean water directly after use. Difficult to remove residues of the set render can be removed with the ATLAS SZOP agent.
• Irritant - contains cement. Irritating to respiratory system and skin. Risk of serious damage to eyes. May cause sensitisation by skin contact. Due to its form - powder, the product may cause mechanical irritation of eyes and respiratory system. Keep out of reach of children. Do not breathe dust. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable protective clothing, gloves and eye/face protection. If swallowed, seek medical advice immediately and show the container or label. Follow the instructions in the Material Safety Data Sheet.
• Content of soluble chromium (VI) in ready-to-use mix - ≤ 0.0002%.
TRANSPORT & STORAGE
Go topThe render must be transported and stored in tightly sealed bags, in dry conditions (most preferably on pallets). Protect against humidity. Shelf life in conditions as specified is 12 months from the production date shown on the packaging.
CAUTION
Go topThe above information constitutes basic guidelines for the application of the product and does not release the user from the obligation of carrying out works according to engineering principles and OHS regulations.
At the time of publication of this product data sheet all previous ones become void.
Date of update: 2014-05-15
Go top
ATLAS CERMIT SN & DR
mineral render
Current documentation
EC Declaration of Performance
EC Declaration of Performance
Technical Data Sheet
Radiation Hygiene Certificate
European Technical Assessment
European Technical Assessment
European Technical Assessment
NSAI Certificate
BBA Certificate
BBA Certificate
Zulassung
Zulassung
Safety Data Sheet
Safety Data Sheet
Colours price groups - mineral renders chart
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