POLYSTYRENE CONCRETE - BUILDING BLOCKS FOR EXTERNAL AND INTERNAL MASONRY

Technical characteristics

   

BSS EN 771-3+Al
Measurements:
length 600 mm, width 250 mm, height 300 mm
Acceptable differentiations:
Category: D4
Flatness: 1 mm
Parallelism: 1 mm
Configuration: Blocks group 1 according to EN 1996-1-1
Compressive strength:
at d=250 mm: 0,72 N/mm2
at d=300 mm: 0,78 N/mm2
Measurements constants:
Deformation caused by moisture: 0 mm/m
Water absorption coefficient: 38 g/m2s0,5
Weight in dry state: 302 (D1) kg/m3
Frost resistance: minimum 50 cycles
Hazarders materials: NONE
Equivalent heat conductivity (λ): 0,075 W/mK
Heat resistance (К):

at d=250 mm: 3,47 m2K/W
at d=300 mm: 4,17 m2K/W
*Heat transfer coefficient (U):
at d=250 mm: 0,29 W/m2K
at d=300 mm: 0,24 W/m2K
Flammability: class B1 (hard to burn)

 

*Masonry with PSC blocks meets the requirements for heat transfer coefficient U= 0,35 W/m2K for exterior walls adjacent to the outdoor air for buildings with medium internal temperature θi<15°C as defined in Regulation № 7 energy efficiency and heat saving energy in buildings (Amended SG. 85 of 2009).