Hello,
we are currently looking into the windows for our planned house. The police recommend installing RC2-rated windows for security, but these seem to be quite expensive. Have you installed such windows, and what additional costs should one expect for a window or patio door? For example, if only the patio door is made with RC2 security, will the glass panes look different compared to the other windows? How did you handle this?
Best regards
Sabine
we are currently looking into the windows for our planned house. The police recommend installing RC2-rated windows for security, but these seem to be quite expensive. Have you installed such windows, and what additional costs should one expect for a window or patio door? For example, if only the patio door is made with RC2 security, will the glass panes look different compared to the other windows? How did you handle this?
Best regards
Sabine
Hello,
For "real RC2," meaning with laminated safety glass? That’s really affordable...
Best regards,
Andreas
sirhc schrieb:
We are going with RC2. With 14 units, the extra cost is just under 2,000 EUR.
For "real RC2," meaning with laminated safety glass? That’s really affordable...
Best regards,
Andreas
Correct.
There also seem to be different versions of laminated safety glass (VSG). One supplier offers 9 mm (3 layers of 3 mm (1/8 inch) laminated with 2 interlayers) on the outside; another offers 8 mm (2 layers of 4 mm (5/32 inch) laminated with 1 interlayer). Both are referred to as A3 glass. Additionally, the panes are further laminated within the frame, of course with lockable handles, mushroom-head locking pins all around, and installation with materials according to RC2 guidelines.
Furthermore, we are upgrading in terms of sound insulation, so depending on the room, the outer glass layer is 10 or sometimes 12 mm (about 3/8 or 1/2 inch) instead of 8 mm (5/16 inch). Because of this, the safety glass designation in the revised offer changed from A3 to P4A (actually the older classification). I am currently looking into the details behind this.
Originally, the glazing of a "standard" triple-glazed window looked like this: 4/12/4/12/4 mm (about 5/32/1/2/5/32/1/2/5/32 inches), which would achieve 32 dB sound reduction.
For RC2 it looked like this: 8/12/4/12/4 mm (approximately 5/16/1/2/5/32/1/2/5/32 inches), reaching 37 dB.
Combined with our sound insulation requirements:
Office, glass sound reduction rating 41 dB: 6/14/4/14/4 mm (around 1/4/9/16/5/32/9/16/5/32 inches) — here I want to understand why the outer pane, which should be laminated safety glass, is only 6 mm (1/4 inch). I believe that's no longer "true" RC2.
Living rooms, sound reduction 45 dB: 10/12/8/12/8 mm (about 3/8/1/2/5/16/1/2/5/16 inches).
Bedrooms, sound reduction 49 dB: 12/12/4/12/8 mm (approximately 1/2/1/2/5/32/1/2/5/16 inches).
All in 82 mm (3 1/4 inches) frame profile.
In addition, all roller shutter boxes are fitted with heavy-duty soundproofing foil with a sound reduction of 44 dB, because upgrading the rest otherwise wouldn’t make sense. So these will be quite “thick” windows in terms of glazing.
There also seem to be different versions of laminated safety glass (VSG). One supplier offers 9 mm (3 layers of 3 mm (1/8 inch) laminated with 2 interlayers) on the outside; another offers 8 mm (2 layers of 4 mm (5/32 inch) laminated with 1 interlayer). Both are referred to as A3 glass. Additionally, the panes are further laminated within the frame, of course with lockable handles, mushroom-head locking pins all around, and installation with materials according to RC2 guidelines.
Furthermore, we are upgrading in terms of sound insulation, so depending on the room, the outer glass layer is 10 or sometimes 12 mm (about 3/8 or 1/2 inch) instead of 8 mm (5/16 inch). Because of this, the safety glass designation in the revised offer changed from A3 to P4A (actually the older classification). I am currently looking into the details behind this.
Originally, the glazing of a "standard" triple-glazed window looked like this: 4/12/4/12/4 mm (about 5/32/1/2/5/32/1/2/5/32 inches), which would achieve 32 dB sound reduction.
For RC2 it looked like this: 8/12/4/12/4 mm (approximately 5/16/1/2/5/32/1/2/5/32 inches), reaching 37 dB.
Combined with our sound insulation requirements:
Office, glass sound reduction rating 41 dB: 6/14/4/14/4 mm (around 1/4/9/16/5/32/9/16/5/32 inches) — here I want to understand why the outer pane, which should be laminated safety glass, is only 6 mm (1/4 inch). I believe that's no longer "true" RC2.
Living rooms, sound reduction 45 dB: 10/12/8/12/8 mm (about 3/8/1/2/5/16/1/2/5/16 inches).
Bedrooms, sound reduction 49 dB: 12/12/4/12/8 mm (approximately 1/2/1/2/5/32/1/2/5/16 inches).
All in 82 mm (3 1/4 inches) frame profile.
In addition, all roller shutter boxes are fitted with heavy-duty soundproofing foil with a sound reduction of 44 dB, because upgrading the rest otherwise wouldn’t make sense. So these will be quite “thick” windows in terms of glazing.
S
Sebastian798 Jul 2016 10:31Is it really that bad for you? I mean, noise-wise.
B
Bauexperte8 Jul 2016 10:32sirhc schrieb:
We’re going with RC2. For 14 units, it’s just under 2,000 EUR extra. With certification?
Regards, Bauexperte
B
Bieber08158 Jul 2016 10:35The additional cost is negligible, but you can really only assess it if you know the base price.
Bauexperte schrieb:
With certificate?
Regards, BauexperteYes. I also asked about that right away.
Bieber0815 schrieb:
The additional cost is negligible, but you can only really judge if you know the reference price .Do you think the effort compared to a standard window is significant? From the outside, I don’t really see it that way.
- instead of a single pane, 2 or 3 panes bonded with film on the outside
- panes additionally glued into the frame
- mushroom-head locks are inexpensive hardware
- special material to connect the frame with the wall as well as backing/additional protection for these connections
A bit more material and work involved, sure, but nothing that would justify a price jump, right?
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