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MACHINE-APPLIED LIGHT CEMENT-LIME PLASTER

MACHINE-APPLIED LIGHT CEMENT-LIME PLASTER

for outdoor use

MACHINE-APPLIED LIGHT CEMENT-LIME PLASTER

Product description

Machine–applied Light Cement-Lime Plaster for Outdoor Use is designed for execution of plastering coats indoors and outdoors, upon walls and ceilings, allows for application of surfaces of category III. Designed for machine application, but can also be used for hand plastering (hand application).

Main properties

  • Pot life: approx. 120 minutes

Main parameters

  • Consumption: approx. 1.40 kg / 1 m²/ 1 mm
  • Minimum single coat thickness: 5 mm
  • Maximum single coat thickness on ceilings: 15 mm
  • Maximum single coat thickness on walls: 30 mm

USE

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Recommended for use on substrates made of materials of high thermal insulation parametres: bricks, hollow blocks, blocks and other cellular concrete elements, ceramic hollow bricks. Can also be used upon substrates made of ceramic and lime-sand elements, concrete and chipboards. The mortar should not be used on metal, timber and plastic surfaces.

PROPERTIES

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Machine–applied Light Cement-Lime Plaster for Outdoor Use is a dry mix of Portland cement, lime, quartz fillers, perlite and chemical additives. Appropriately selected recipe ensures improved yield than offered by traditional cement plasters. The content of cement binder makes the plaster resistant to atmospheric conditions and mechanical damage, perlite improves yield, lime makes the coat more flexible and therefore more resistant to cracking and scratching. Moreover, the use of lime makes the plaster application and floating much easier and improves its bonding to the substrate. Because of reduced thermal conductivity coefficient and reduced bulk density, the plaster is recommended for substrates of higher thermal insulation parameters.

SUBSTRATE PREPARATION

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The substrate should be dry, stable and cleaned of impurities which would impair bonding, particularly of dust, dirt, oils, greases, remains of paint coatings and anti-adhesion agents. Gaps and cavities should be filled and  irregularities bevelled with the cement plaster min. one day before the plastering works. Poorly bonded substrate elements should be hacked off, loose dusty fragments additionally cleaned with the use of a card. The substrate must not be frozen.  The substrate should be properly aged and its humidity must not exceed 3%. Very absorbent and porous substrates should be primed with one of the priming agents EURO-GRUNT. Smooth substrates should be primed with INTER-GRUNT agent. The agents must dry before plastering. Regardless the substrate type, it is advisable to apply base coat made of DOLINA NIDY CEMENT BASE COAT characterised by thickened consistency upon whole surface to be plastered. When plastering difficult substrates, e.g. chipboards, etc. one should contact their manufacturer in order to confirm appropriate plastering technology.

MORTAR PREPARATION

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The mortar is prepared in a plastering unit equipped with spiral pumps, by pouring the dry mix into the hopper. In case of manual application, pour the dry mix into a container with appropriate amount of clean water, keep the ratio listed in the Technical Data section, mix manually or mechanically until homogenous, free of lumps mass is formed.
 

APPLICATION

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The main coat can be applied when the base coat initially sets. The mixed mortar is machine-applied with a spray gun or by hand with a trowel. Application should start from the ceiling (single coat 15 mm thick recommended), then move to walls. Apply the mortar with horizontal overlapping strips, from top to bottom. Sections exposed to scoring, e.g. neighbouring construction materials of different type, openings corners, etc. should be reinforced with plastering mesh resistant to corrosion. Corners and reveals edges should be protected with galvanised steel profiles. Level the applied mortar initially with the “H-type” darby and leave for initial setting. Appropriately set plaster, in order to form better plane, can be additionally levelled with a feather edge, then moist with water and floated with tools appropriate for the expected surface finish and intended use of the plaster. If plaster forms substrate beneath ceramic cladding, it should be left without floating. When other top finish is planned the plaster should be floated with polystyrene or sponge float or mechanically grinded. Protect plasters applied outdoors against precipitation and direct sunlight. When plastering indoors, it is advisable to keep higher humidity for a few days, and light ventilation free of draughts and direct sunlight then. The time of drying depends on plaster thickness, temperature and humidity outdoors or in a room. The plaster surface must be appropriately dry before commencement of further top finish application. In case of occurrence of line or shrinkage scores, in order to unify the substrate properties before the top finish application, it is advisable to use BRIDGING AND PRIMG PAINT GRUNT-TYNK.

CONSUMPTION

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The average consumption is approx. 1.4 kg per 1 m² for coat thickness of 1 mm.

TECHNICAL DATA

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Mixing proportions:
6.6 – 7.8 l of water for 30 kg of dry mix
Yield:
100 kg of dry mortar = approx. 72 l of mortar
Pot life:
approx. 120 minutes
Maximum aggregate grain size
up to 1 mm
Substrate and ambient temperature:
from +5 °C up to +25 °C
Minimum coat thickness:
5 mm
Maximum coat thickness on ceilings:
15 mm
Compressive strength:
30 mm
Content of soluble chromium (VI) in ready-to-use mix
≤ 0.0002%.
 
 
CE 14
PN-EN 998-1:2012
(EN 998-1:2010)
Factory made plastering mortar of specified properties, light (LW)
for manual and machine application,  for indoor use, on masonry walls,  ceilings, posts and partition walls
Reaction to fire – class
A1
Bonding
≥ 0.3 N / mm² - FP:B
Water absorption - category
W1
Water vapour permeability coefficient (tabular value) μ
5/20
(EN 1745:2002 tab. A.12)
Thermal conductivity coefficient
(average tabular value P=50%)
0.47 W/mK (λ10, dry)
(EN 1745:2002 tab. A.12)
Gross dry mortar density
≤ 1300 kg/m³
Durability. Bonding
≥ 0.3 N / mm² - FP:B
Durability. Water absorption - category
W1
Release/content of hazardous substances
See: Safety Data Sheet
 
Conforms to the requirements of PN-EN 998-1:2012 (EN 998-1:2010) standard.
EC Declaration of Performance no. D003/CPR.
The product has been given the hygiene certificate no. HK/B/0420/01/2016 issued by the Polish National Institute of Hygiene and the radiation hygiene certificate no. HR/B/39/2016.

PACKAGES

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Paper bags 30 kg.
Pallet: 1,080 kg.

STORAGE AND TRANSPORT

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Shelf life is 12 months from the production date given on the bag. Transport and store the product in tightly closed bags, on pallets, in dry conditions. Protect against humidity. Incoherence with recommendations listed above may impact the product working parameters.
 
NOTE
Contains cement. May cause respiratory irritation. Causes skin irritation. Causes serious eye damage. May cause an allergic skin reaction. Keep out of reach of children. Avoid breathing dust. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. If skin irritation or a rash occurs: Get medical advice/attention. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do – continue rinsing. Follow the instructions of the Safety Data Sheet.
 
 
The 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 building principles and OHS regulations. At the time of publication of this product data sheet all previous ones become void.