Wood Aluminium Hardware for Bifold Doors Plastic Folding Door

Usually, we use 5mm+6A+5mm double glass, you can take easy. Our double glass is made professionally, no steam or going foggy between the double glass.

Yes, all the doors & windows include frames. Installing the windows and doors on wall is OK.

The glass would be broken only because suffering from the impact force, but it won't break itself.

It is better to use 5mm double glass, because : A )Sliding door looks ugly with single glass. There is a wide space for glass, if you use single glass, we will fill so much silicon in it. B) 5mm double glass is safer than 6mm single glass. C ) 5mm double glass is more soundproof than 6mm single glass.

Yes, but it just can be one side, the other side has to be glass silicon. Because it is not strong enough to use double rubber. And it is easier to fall off than the glass silicon.