ᐅ How would you assess the burglary resistance of the following windows?
Created on: 26 Mar 2017 22:20
M
Mizit
I took photos of the windows in the house. They also have locks installed. The windows are 23 years old and are located on the ground floor.
The question is whether these locks are sufficient when the window is closed, or if it would be worthwhile to retrofit mushroom head locks.
The question is whether these locks are sufficient when the window is closed, or if it would be worthwhile to retrofit mushroom head locks.
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Caspar202027 Mar 2017 08:51toxicmolotow schrieb:
And as always, whoever wants to get in, will get in.Of course; but it doesn’t have to be too easy. The more difficult it is, the more likely they are to go to the neighbors.
The pictures do not show any protective measures... so if you want more security, I would at least retrofit mushroom cams or shoot bolts on the ground floor.
However, you will probably need to replace the entire locking mechanism since the windows are already quite old.
Furthermore, it is important to consider the internal window structure... if there are no reinforcements inside, such as steel profiles, then even mushroom cams will offer little benefit...
However, you will probably need to replace the entire locking mechanism since the windows are already quite old.
Furthermore, it is important to consider the internal window structure... if there are no reinforcements inside, such as steel profiles, then even mushroom cams will offer little benefit...
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Caspar202027 Mar 2017 11:43Mycraft schrieb:
Furthermore, there is the question of how the window structure is on the inside... if there are no reinforcements, meaning no steel profiles inside, then the mushroom cams (pilzköpfe) don’t help much...However, with the mushroom cams, it takes significantly more force and noise to pry the cams along with the fittings out of the plastic.
Just search on YouTube for "burglary attempt on a window with mushroom cam locking." The person isn’t very skilled, but it offers much better protection compared to "burglary without mushroom cam locking."
If they had used a crowbar in the second video, it would have taken less than 16 seconds.
Where steel reinforcement would help more is against drilling attacks, as shown in the video "Demonstration of burglary with wire."
In that case, lockable window handles are a very good additional security measure. Otherwise, mushroom cams alone don’t help at all...
Caspar2020 schrieb:
However, with mushroom bolts, you definitely need much more force and noise to lever the mushroom bolts out of the plastic fittings.It is still relatively easy... if the profiles are made entirely of plastic, without steel reinforcement, and there are only a few dowels... I just went through this topic myself... there is also a fairly long thread about it...
Mycraft schrieb:
You will probably have to replace the entire mechanism since the windows are already quite old.I once worked for a window manufacturer (aluminum). They easily retrofitted windows that were forty years old (the profile was still produced unchanged).
Mycraft schrieb:
if there are no reinforcements at all, like steel profiles inside, then the mushroom cams won’t help much...All the PVC window sash profiles I know have a core made of—simply put—a square steel tube. Without that, they would wobble like a leaf on a windy day (or the hood of a 2 CV car) and would already warp between opening and closing during ventilation.
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Caspar2020 schrieb:
Regarding burglary resistance: Without mushroom cams, a burglar doesn't need 10 seconds to pry open a window like this. So, you see no burglary resistance at all in the windows shown here?
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