FIELD: construction.
SUBSTANCE: invention relates to construction, namely to a roofing sandwich panel. Roof sandwich panel includes two surface layers of metal sheets and a central part filled with heat-insulating material. Heat insulation material consists of a main layer and a boundary layer located between the upper metal sheet and the main heat insulation layer, sandwich panel is made with possibility of two-span or three-span support, is equipped with reinforcing longitudinal vertical plates, the latter are trapezoidal, triangular or zigzag-shaped, their ends being connected at sections of compressed upper metal sheet. Sandwich panel is equipped with mechanical fasteners in the form of elongated self-tapping screws having a seal with gaskets.
EFFECT: increased operational reliability of the roofing panel.
4 cl, 7 dwg
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