FIELD: construction.
SUBSTANCE: invention relates to construction, in particular to the block of floor boards. Board comprises frame, top material and filling board located in space limited by the frame. Top material has open top surface and bottom side. Bottom side of top material is attached to frame upper surface, and bottom one - to top surface of filling board. Frame has multiple locking tabs extending outward from frame, at least, one recess made on its bottom side to interact with at least one locking tab. Locking tabs and at least one recess of each board are arranged with possibility of engaging tabs of first board with recesses of second neighboring board, wherein, top material is elastic vinyl sheet slightly larger in both longitudinal and transverse directions to make overhang above frame located under it, wherein, overhanging is elastically deformed to form a seal between connected boards.
EFFECT: technical result consists in simplification of boards assembly and joint leak tightness.
27 cl, 16 dwg
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