As the saying goes, "30% product, 70% installation," this phrase profoundly reveals the key position of the installation process in door and window decoration.
If you only rely on foam glue for fixing, although the adhesion of the foam glue may make the doors and windows appear stable at the time, once faced with strong winds, the doors and windows may be directly blown off, posing a significant safety hazard.
It is recommended to use cement mortar to fill the gaps first, and then seal with structural adhesive.