| 摘要 |
An insulation covering plate in expanded material for use in the building sector, comprising a back face, to be arranged towards the wall to be covered, a front face and lateral surfaces, inside which linear projections and channels are formed, said projections and said channels being arranged and shaped in a complementary manner so as to constitute elements for the reciprocal joint of adjacent plates, said projections presenting a first flank facing the back face of the plate and a second flank facing the front face of the plate, said first flank presenting a surface portion substantially flat and nearly parallel to said back and front faces of the plate, said second flank presenting a surface portion inclined relative to said back and front faces, said inclined surface portion having a curved shape with concavity facing the outside of the projection, characterized in that said flat surface portion of the first flank is radiused to the surface with curved shape of the second flank by means of a third intermediate surface.
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