FIELD: manufacture of building materials. SUBSTANCE: installation has a frame formed by vertical guideways 1 in which lattices 2 are mounted by means of bushes 5. Pallets with hollow hollow-core forming mandrels connected along the vertical line by channels are placed between lattices 2. Container 11 for collecting the condensate is in the lower part of the installation. The cap with collector 10 for feeding and distributing the vapor is in the upper part. The width of the pallets does not exceed the distance between guideways 1. EFFECT: intensified process of making articles regardless of the accepted technology of thickening the concrete mix. 1 cl, 4 dwg
