ᐅ "Laminated glass 6 mm" or "P4A security glazing"

Hello everyone,
I now have two window quotes that have made it to my personal shortlist:

• One is a Kömmerling frame with two rubber seals and 6mm (1/4 inch) laminated safety glass (VSG), and
• the other is a Gealan frame with three seals, where the middle one is a fixed plastic sealing strip. I personally prefer this model because of the additional burglary protection and because it has three seals instead of two. Unfortunately, the Gealan is somewhat more expensive.

The average U-value of both windows is 0.81.

Now my question about the glass:
The Kömmerling profile specifies 6mm (1/4 inch) laminated safety glass for the ground floor windows, while the Gealan profile has P4A glazing. Are these equivalent or can they be compared? Does P4A stand for 4mm or something else? I even read online that you should opt for P5A+. Or is P4A or the 6mm laminated safety glass sufficient for RC2 hardware?

Unfortunately, we cannot install according to RC2 due to roller shutter boxes.

What do you think?
Thanks for your answers.

Here is a picture of the central sealing strip, which I find quite appealing (photo from gealan.de):

P4A is a resistance class that requires burglary-resistant glazing. This is achieved with laminated safety glass (VSG), not with tempered safety glass (ESG).
It would therefore be worth asking whether option 2 also uses 6mm laminated safety glass for the P4A glazing, since laminated glass will be necessary anyway to meet the P4A standard.

A central seal (CS) is better than just an edge seal (ES). I personally have only an edge seal and haven’t missed anything so far. No water in the frame, no drafts. But maybe that will be different in 10 years.

Okay, I will probably ask about that.
I also believe that the aforementioned GEALAN S9000 Plus has an overlapping seal. It has a total of three seals, and the middle one is a solid strip. This way, you can’t easily insert a screwdriver under the window, right?

The Kömmerling windows have only two seals. However, I also think they use the same AD profile system as GEALAN.

The question is how laminated safety glass (VSG) is specified in the offer. The 6mm (1/4 inch) probably refers to the total thickness of both glass panes combined, or is it 3mm (1/8 inch) + interlayer + 3mm (1/8 inch)?
So it’s probably something like this:

VSG 33.1	P1A	3mm (1/8 inch)	0.38mm (0.015 inch)	3mm (1/8 inch)
VSG 33.2	P2A	3mm (1/8 inch)	0.76mm (0.03 inch)	3mm (1/8 inch)

P4A is specified like this and would be stronger according to my understanding:

VSG 44.4

P4A

4mm (5/32 inch)

1.52mm (0.06 inch)

4mm (5/32 inch)

Where does the need for laminated safety glass (VSG) and high security come from? In my opinion, it's money thrown away.

Well, it depends on the area.

Mycraft schrieb:

Well, it depends on the area.

The worse the location, the higher the need for security? Poor original poster