Fireproof masonry mortar TKM
Product description
Fescon Fireproof Masonry Mortar is a special mortar with sodium silicate as the binder and quartz sand as the aggregate, max. grain size 0.5 mm.
- Easy to use
- Heat resistance +1200°C
- good workability characteristics
The product is listed in the portal for building products that can be used in Nordic Swan Ecolabelled buildings.
Vinkki! Vieritä taulukkoa sivuttain
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6416841630667
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FIREPROOF MASONRY MORTAR TKM
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63066
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5 kg
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6416841530660
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FIREPROOF MASONRY MORTAR TKM
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53066
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25 kg
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Mixing
Refer to the bag for how much water the plaster requires. Add the dry material into the water and mix with a power mixer or a drill paddle for around four to five minutes. Let the plaster stand for around ten minutes and mix it again for a short while. Find the correct consistency at this stage by gradually adding the rest of the water. We do not recommend adding all of the water right at the start. The finished plaster remains workable for several days, if water evaporation from the plaster is prevented.
Work instructions
The lowest working temperature is +5°C. The temperature of the bricks must be above +5°C and the mortar above +10°C. Lay the bricks with ca. 1-2 mm joint thickness.
After treatment
The plaster binds chemically in room temperature and ceramically at a temperature of around +700°C. Before taking the structure into use, allow it to dry 2-3 weeks with all hatches and dampers open. Perform the first, careful heating with a heater blower, for example. Next 3 to 5 days, heat carefully with a small fire. Leave the hatches and dampers open after each drying heating.
Waste handling
Storage and handling of waste. See the separate storage and disposal instructions https://www.fescon.fi/en/material-bank
| Material usage |
0.25 kg/brick |
| Water requirement |
4.5 - 5.0 l / 25 kg bag |
| Finished compound |
12 - 13 l / 25 kg bag |
| Type |
powder |
| Colour |
grey |
| Maximum grain size |
0.5 mm |
| Storage |
storage time in a dry location approx. 1 year |
| Lowest usage temperature |
+ 5°C |
| Workability time |
several days in a closed container |
| Heat resistance |
+ 1200°C |
The information is based on tests and practical experience. We cannot affect conditions at the work site so we cannot assume responsibility for the end result affected by local conditions.