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Base preparation

   Basis surface must be cleaned from dust, mud, oils, fats. Friable, flimsy patches must be removed. Uneven surface, cracks, blowholes, cavities must be filled and levelled with IVSIL GROSS or IVSIL THINER plasters. Before to start the job, treat the basis with one of IVSIL primers.

Mixing of mortar

   Dry mix is poured into a mixing bucket with clean water in proportion of 1 kg of dry mix per 0,20-0,23 l of water, then thoroughly stirred manually or with the help of mixing drill, until homogeneous, elastic mixture. The mixture is left for 5 minutes and then stirred again. Prepared mixture should be used within 2 — 2,5 hours

 

Application

   Fixing of mineral wool insulation boards.

   Depending on the state of a basis, there can be different techniques of IVSIL TERMOFIX-M adhesive application. If the difference in levels of the surface is not more than 1 cm (it is checked with a two metre stick), then 3-4 cm wide layer of adhesive is applied along the perimeter of the insulation material, 2-4 cm off the edge of the board, plus several round patches in the middle (8-10 cm in diameter), thickness of the layers is not more than 2 cm. The maximum thickness of adhesive layer after the boards are glued to the surface must be not more than 10mm. If the difference of surface levels is not more than 3 mm, IVSIL TERMOFIX-M is applied by a notched trowel (notch size - 10-12 mm) as a continuous layer, 2-4 mm off the edge of the board. Immediately after that the board should be put against the surface of the basis and pressed down with the help of a long float.

   Boards should be put together edge to edge, flat, with T-shape tie joints. Joints and edges should be free from adhesive. After the boards are pressed to the surface the contact area covered with the adhesive should be not less than 50% of the entire surface.

   Setting up of protection reinforced layer.

   Adhesive is spread over the surface of boards by a metal trowel, thickness of the layer should be 2-4 cm. Vertical strips of reinforcement glass-mesh are put over applied mixture and are sunk in the mixture by a trowel handle. The strips must overlap not less than 10 cm. The second 2-3 mm layer of adhesive is applied and smoothed over the mesh so that to hide it.

   Application of further materials (decorative plasters, special paints, etc) can be done in 2-3 days after setting up of this protection layer.

   Further work (mechanical fixing by dowels, setting up of reinforced protection layer) is conducted in 48 hours after the insulation material is glued to the surface by the adhesive.

 
Consultation on the pplication materials

TERMOFIX-M

  

   Adhesive for mineral wool boards, mineral wool IVSIL TERMOFIX-M is cement based with imported polymer additives and fractioned sand. It is designed for adhesion of thermo insulation boards made of mineral and basalt wool and also for other fibre thermo-insulation materials of this type. This adhesive has high level of bonding with the surface: adhesion to concrete is not less than 1MP (10kg/sq-cm), adhesion to mineral wool and basalt wool boards is higher than pulling off power for this type of materials. This guarantees reliable long lasting effect of adhesion for systems of facade insulation.

   It provides long lasting adhesion of boards in zones with high dynamic pressure and is suitable for interior jobs and exterior jobs of assembling facade thermo-insulation in any climatic zone of Russia. Water resistant and frost resistant facade adhesive for thermo-insulation provides necessary rate of moisture vapour transmission for insulation systems.

   Economic adhesive for mineral wool. In the conditions of minimum difference between surface levels, it does not require thick layer of application, which means it does not increase the cost of the project or load of weight on the building’s facade. When using this adhesive, one does not need to choose and buy any other construction mixes for reinforcement of the surface of mineral wool, as this adhesive is also used for creation of protection layer over mineral wool boards reinforced by glass-mesh. It is recommended for exterior jobs of building thermo-insulation and insulation of facade.

   The basic price of adhesive for mineral wool boards is 325 roubles/25 kg. See prices of other adhesives for insulation in the section «Price list».

   See also: adhesive for foam-plastic assembling IVSIL TERMOFIX-P, facade thermo-insulation plaster IVSIL TERMOSIL.

   IVSIL dry mixes for assembling: Adhesive for mineral wool assembling IVSIL TERMOFIX-M, cement adhesive for mineral wool and mineral wool boards assembling

 
 

Technical characteristics

Mixing proportion: 1l of water
On 1 kg of a mix0,20-0,23 l
On 25 kg of a mix5,00-5,75 l
Viability of a solution2-2,5h
Open operating time15min
Temperature of works and the basefrom +5 to +30
Durability on compression7,5MPa
Frost resistance75 cycles
Firmness to temperaturesfrom -50 to +60
Maximum size of a filling material0,63mm
 
Packaging and storage
The dry adhesive mix is delivered in kraft-bags of 25 kg. A storage warranty period is 6 months from the date of the manufacturing.
The consumption
Average consumption: Fixing of mineral wool: 3,5 5,5 kg of a dry mix on 1 m. of a sq. surface (depends of a thickness of a layer); Setting up of protection layer: 4,5 5,0 kg of a dry mix on 1 m. of a sq. surface at the thickness of a layer 3 mm.
Attention
The surface within 1 days should be protected from drying, impact of straight solar rays and water, not to suppose congealing. The recommendations about application are true at t = +23 and a relative humidity of air of 60%. In other conditions the setting time and material drying-out can vary.
 
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