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Owner of data set Leier Polska S.A. |
Technical purpose LEIER POLSKA S.A. offers its customers Thermopor and Thermopor Plan ceramic wall blocks. These are vertically perforated products intended for use in protected masonry (P units), for the construction of load-bearing and non-load-bearing walls. They are manufactured from fired porous clay ceramics at temperatures exceeding 900°C. The products are characterised by high thermal insulation performance, good acoustic insulation, frost resistance and fire resistance.
The full product range can be divided into two groups:
1. Thermopor blocks are intended for masonry construction using general-purpose or thermal-insulating mortar, with horizontal joints approximately 12 mm thick. Depending on the product type, vertical joints are formed as follows:
• by means of a tongue-and-groove connection without the use of a binder — products marked P+W;
• by filling with mortar the pocket formed at the contact between two adjacent units placed next to each other — e.g. products marked AKU M, AKU S;
• as a vertical joint approximately 12 mm thick filled with mortar — e.g. products marked AKU 220, AKU 238.
2. Thermopor Plan blocks are intended for masonry construction using thin-layer mortar and modern ground units. Walls may be constructed in two ways: using thin-layer masonry mortar of at least class M5, compliant with EN 998-2, or using polyurethane adhesive foam for masonry works. The masonry mortar or adhesive foam is applied in the horizontal joints. Vertical tongue-and-groove joints are not filled with mortar.
3. Thermopor lintel units are a non-load-bearing, channel-shaped ceramic elements used as ceramic casing (permanent formwork) in the manufacture of Leier Strong lintel beams.
The diversity of the Thermopor product range makes it possible to adjust the performance characteristics of the products to the intended application and to customer requirements.
The technical parameters of the blocks and lintel units are provided in the table below. Other relevant information and product-related documents are available on the website www.leier.pl.
Table 1. Technical characteristics of Thermopor and Thermopor Plan ceramic blocks according to EN 771-1:2011+A1:2015
Performance characteristic Unit Value
from to
Dimensions Length mm 250 375
Width 80 440
Height 220 249
Dimensional tolerances Dimensional tolerance category - T1, T2, Tm
Range tolerance category R1, R2, Rm
Flatness of bed faces mm NPD/< 0,3
Parallelism of bed faces NPD/< 0,6
Configuration group - G2, G3
Compressive strength Category - Category I units
Normalised compressive strength N/mm2 15 20
Direction of loading - Perpendicular to the bed face
Moisture expansion - NPD
Bond strength, fixed value N/mm2 0,15
Content of active soluble salts - S0
Reaction to fire - A1
Water absorption % NPD
Tabulated water vapour diffusion coefficient - 5/10
Gross dry density kg/m3 660 1160
Density tolerance category - D1, Dm
Thermal conductivity coefficient ?10,dry,unit W/mK 0,154 0,307
Freeze–thaw resistance category - F1
Dangerous substances - NPD
Table 2. Technical characteristics of Thermopor lintel units according to EN 771-1:2011+A1:2015
Performance characteristic Unit Value
from to
Dimensions Length mm 250 300
Width 115
Height 71
Dimensional tolerances Dimensional tolerance category - Tm
Range tolerance category NDP
Flatness of bed faces mm NPD
Parallelism of bed faces NPD
Wall thickness mm ? 14
Compressive strength - NPD
Moisture expansion - NPD
Bond strength, fixed value - NDP
Content of active soluble salts - S0
Reaction to fire - A1
Water absorption % <20
Tabulated water vapour diffusion coefficient - 5/10
Gross dry density - NDP
Density tolerance category - D1
Thermal conductivity coefficient ?10,dry,unit - NDP
Freeze–thaw resistance category - F1
Dangerous substances - NPD
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