FIELD: construction.
SUBSTANCE: invention relates to the field of construction, in particular to a heat lock at angular connection of logs or bars, having at least one butt shaped slot for their connection. Butt-type slots form parts with logs or bars with smaller and larger cross-section height. Said parts are made so that when laying logs or beams in angular joint between lower surface of part with lower height of cross section of upper log or beam and upper surface of part with lower height of cross section of lower log or beam there is at least one horizontal gap, and between side surfaces of parts with smaller and larger cross section perpendicular to conjugated logs or bars there is at least one vertical gap or gap made at an angle to horizontal clearance. Gaps are interconnected and together create system of cavities inside angular connection.
EFFECT: technical result is improved tightness of angular connection of logs.
7 cl, 12 dwg
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