Wall screw with internal thread allows mounting of heavy elements on the facade of buildings insulated with Styrofoam (eg. the cameras, lights, etc.).
Facade insulation is not crushed during installation and no need to post installation hole boring in the fixed products.
Pattern number W121776 is subject to legal protection.
Method of mounting:
1 base2 Insulation3 plaster4 fixed object5 mounting screw6 screw