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Asciugo Rinzaffo TD

Dehumidifying scratch coat

Premixed dehumidifying scratch coat based on hydraulic bonding agents, selected mineral inerts and addictives, engineered to be applied as first coat on sanitizing and thermo-insulating plasters.


Information

Fields of application

Used on dehumidifying plasters and on indoor/outdoor surfaces which are affected by rising damp. Acts as bridge between the wet support and the dehumidifying system.

Can be applied on:

  • Stone masonries
  • Brick masonries
  • Tuff and mixed masonries
  • Brick masonries
Support preparation

Substrate must be perfectly solid, free from duest, dirt, failing parts and efflorescences. Clean the surfaces by sanding or sandblasting, then wash with pressurized water to remove any residue.

In the presence of efflorescences or salts, proceed by washing with low pressurized water. In the case of salt excess, treat the support with an efflorescences inhibitor (see SalMur).

Wet the support before application and wait the superficial water to evaporate.

Mixture Preparation

To apply by hand, pour in a container the right amount of water to mix a bag of Asciugo Rinzaffo TD, add gradually the powder and mix with a low-rounds stirrer or cement mixer until an even, clump-free mixture is achieved. Let rest for 5 minutes and stir briefly before usage.

Application

Apply by hand with a trowel or plastering machine, covering evenly the surface for a total thickness of 4-5mm. Let cure for at least 24 hours before applying the plaster.

Reccomendations

Use clean, non-brackish water. Apply between 5°C and 35°C. Do not apply in high sun exposure and on rainy/windy days. Protect from rain, wind, sun and rapid desiccation for 24-48 hours after application. In case of application during summer, ensure a constant desiccation by using Sunshieldings/Windbreakers. Do not add materials, cement or other bonding agents in the bag. It is recommended to mix the entire content of the bag in one solution.

Compliance

Technical Data

Application

flat trowel - plastering machine

Packs

kg 25

Colour

white

Mixing water

approx. 7-8 l per bag

Maximum diameter of aggregate

2,5 mm - EN 1015-1

Consumption

approx. 4 kg/sqm

applicable thickness

5 mm

Application temperature

from +5°C to +35°C

Workability time

approx. 60 min

Adhesion-FP

> 0.12 N/mm² - B - EN 1015-12

Water absorption

class W0 - EN 1015-18

Coefficient of permeability to water vapour µ

11 - EN 1015-19

Thermal conductivity

0.529 W/m K - tabulated value according to EN 1745

air content

approx. 18,5% - EN 1015-7

density of hardened mortar

1,5 kg/dm³ - EN 1015-10

density of fresh mortar

1,8 kg/dm³ - EN 1015-6

Compressive strength

class CS II - EN 1015-11

Reaction to fire

Euroclass A1 - EN 13501-1

Durability

NPD

Subsequent products

after 24 hr

Tools cleaning

water soon after use

Storage

max 6 months in dry place

Pallet

60 bags of kg 25

Data contained in technical data sheets refer to laboratory tests. Indications and methods may be subject to change over time, depending on any technological and productive improvements. Products application takes place out of our control, as we cannot directly intervene on the conditions of the construction sites and on the execution of the works. All indications are general and do not bind our company in any way and therefore the responsibility falls exclusively on customer. We recommend a preventive test of the product in order to verify the suitability in relation to its particular use. Technical service is available to provide additional information.

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surface to be covered in square meters