Is the door and window single sided or double sided?
Answer a lot of people, but there is no one professional, alas! In order to play on the outside is waterproof glue, in which the majority is to was beautiful, but a long time in the wall of the rubber aging, indescribably ugly, only hit wall glue, most are also the requirements of Engineering
According to the current national standards, jgj103-2008 should be double-sided adhesive, but not the point of connection, but the window and the wall of the gap, its role is mainly used for waterproof and insulation.
It is recommended that the outer wall be covered with double adhesive tape and the inner surface with three yuan ethylene propylene rubber strip
