FIELD: construction.
SUBSTANCE: method includes: provision of elements made of foamed polymer material having trapezoidal cross section at the angle of 75° and a slope from both sides in longitudinal direction at the angle of 45°, placement of each element into a separate jacket from a reinforcing material, laying of elements into a matrix for formation by the closed method, supply of a polymer binder into rigging and soaking for hardening of the polymer binder to produce the finished panel of the middle layer.
EFFECT: creation of a panel of a middle layer having improved physical and mechanical characteristics, corrosion and fire resistance, and also design that facilitates and accelerates process of manufacturing of multi-layer polymer composition materials.
13 cl, 6 dwg, 2 tbl, 2 ex
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