For doors used for external conditions, generally flat door frame with glue or tape on it to stick the rubber seal which is normal process in many factories but not good choice for end users.

We can see that many after sales problems for seal come off the frame which is annoying.

Now we designed a new style rubber seal and together with new channel on door frame which make it good performance.

If you don't want to have trouble on seals off, please contact us for solution!