Dimensions (L x W x H): 250x125x120 mm

Dry density of 800 kg/m3

Averaged weight: 3.3 kg

Hollows: 42%

Compressive strength: 3,6 N/mm2

Transmittance of unpainted wall: 0,385 W / mK

Traditional format for Bulgaria. Used in combination with the links 3,85 NF in the construction of masonry with horizontal voids.