The utility model discloses a building
thermal insulation material performance detection device which comprises a
thermal insulation box, first electric guide rails are installed at the two ends of the middle in the
thermal insulation box, a first driving motor is installed on one side of each first electric guide rail through the thermal insulation box, and first sliding blocks are symmetrically installed in the first electric guide rails. And a first sealing plate is mounted at the top between the two first sliding blocks on the same side. According to the utility model, the problems that the sealing performance between the
building material and the detection frame is insufficient in the using process of the existing thermal insulation performance detection device for the building
engineering material, the sealing performance between the
building material and the detection frame is one of important factors for determining the accuracy of a detection result, and when the sealing performance between the
building material and the detection frame is insufficient, the detection result is not accurate are solved; and cold and hot gas
convection can be caused, so that the detection result is seriously influenced.