They are factory bricks which a volume weight of 1000 kg / m3 or less produced in a way to provide thermal insulation with using a porous additive used in generally for exterior walls. They are vertical perforated bricks. They have a high level of compressive strength. They provide also sound insulation.
19’s Iso Brick
Dimensions : 29x19x23.5 cm (BxExY)
24’s Iso Brick
Dimensions : 24x24x23.5 cm (BxExY)