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Isonit

Isonit - Iso Paint Nordic Fibercement

Product description:
Isonit is a water dilutable roof coating based on acrylic dispersions.

Product properties and use:
Isonit is used for roofs of fibre cement, concrete roof tiles, and primed steel roofs.
The coating flows well, has high covering strength, good adhesion abilities and creates a good strong water-repellent surface.
Not usable on clay tiles and natural slate.


Technical data

Composition:
Water dilutable coating based on acrylic dispersions.

Colours:
Standard colours: Black, anthracite grey dark, slate grey, anthracite grey, light grey, black blue, royal blue, forest green, bordeaux, dark brown, mocca, red brown, oxide red, tile red R-728, tile red and Swedish red.
Other colours are available on demand.

Packaging sizes:
20 l

Density:
1,06 – 1,23 kg/l depending on colour and gloss

Viscosity:
6.000 - 7.000 cPs

Dry content:
Gloss 12: Approx. 42 w/w %, approx. 32 vol/vol %
Gloss 20: Approx. 37 w/w %, approx. 27 vol/vol %
Gloss 50: Approx. 37 w/w %, approx. 31 vol/vol %

Gloss:
12 at 60°
20 at 60°
50 at 60°
 
Pull of test:
DIN EN ISO 4624
On concrete tiles: 2,3 MPa
On fibre cement tiles: 2,4 MPa

Spreading rate:
3,3 – 6,5 m2/l

 

  Theoretical spreading rate 

 Recommended layer thickness, each layer 

Wet 

Dry 

6,5 m2/l

150 µm

60 µm

  Recommended layer thickness of finished coat 

3,3 m2/l

300 µm

120 µm

The practical spreading rate depends on application method, form and surface of the material.


Pre-treatment/cleaning:
The roof must be cleaned thoroughly using high-pressure and Iso A-Clean. Fibre cement roofs have to be primed with Eternit Primer in order to obtain a sustainable surface (see TDS).
The surface must be clean, dry, and sustainable.

Stirring:
The coating must be stirred before use.

Dilution:
If Isonit is used as primer (first layer), dilute with min. 20 % water.
If Isonit is used as a top coat, apply the coating non-diluted or diluted with max. 10 % water.

Application temperature:
The temperature must be between 8° C and 30° C, and
Application method:
Brush, roller, or airless, nozzles 19 – 21, 180 – 220 bar.
To ensure the right layer thickness, apply the paint in two layers, each with a layer thickness of 200 µm.

If Eternit Primer is used, the right layer thickness can be obtained with only one topcoat (min 200 µm).

Always make a test coat to ensure the compatibility of product and surface.

It is recommended to maintain coated roofs with a treatment with Iso A-Clean every second year – in order to keep the surface nice and clean.
Drying time:
Laboratory tests

 Wet layer thickness 200 µm 

 20 °C / 65 % RH 

Touch dry

1 hour

Recoatable

2 hours

Fully cured

24 hours

The drying time and time for recoating depend on layer thickness, temperature, relative air humidity, and air circulation.

Cleaning of equipment:
Water and soap

Storage:
Cool, protected from frost, in tightly closed packaging, and out of reach of children

Environment:
No spillage into drains, to be disposed of at the local recycling centre

VOC: Max. 40 g/l (Kat. A/d)

Isonit beforeIsonit after

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