According to the configuration provided by our company or other relevant technical information to choose the right hinge, for suitable profile and load-bearing.
  The contact of the hinge and sash&frame need in firm contact with each other without gap or interference. Most of the hinges are unadjustable. The choice of the window or door sash&frame must be in strict accordance with the hinge&profile.
  According to the section of the profile, the hinge is different, please choose the right rubber strip for the hinge and profile. Rubber strip should leave space for the installation of the hinge. Installation effect the load-bearing. Some hinges should be divided into left and right version when install. If customer require the hinge to be installed well before delivery, pls remark when place the order.

 Usage precautions
  The project need to clean the wall with corrosion after installation. The situation above need to be careful when choosing hinges. Fiction stay suggested. Different hinge&section of the profile lead to the different hole location and size, please contact our engineer.