ᐅ Double wire mesh fence with privacy screen mounted on L-shaped concrete blocks—feasible?
Created on: 1 Aug 2023 12:09
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Hausbauer2021H
Hausbauer20211 Aug 2023 12:09Good morning,
I have already read several threads on this topic, but every case is a bit different. As the headline says, I want to install a 1.8m (6 feet) fence with privacy screening on L-shaped concrete blocks. For this, I ordered various brackets (L-shaped with 12.5mm (0.5 inch) elongated holes) that are specifically designed for this purpose. Now, after reading other threads, I’m a bit concerned about the wind load. Originally, I planned to fix the brackets with 10mm (0.4 inch) heavy-duty anchors and also glue them in. Our L-blocks are 12cm (5 inches) thick and have been cast in concrete. I assume they should be strong enough. After what I’ve read, I would now use 12mm (0.5 inch) heavy-duty anchors. In addition, I would use two rows of a slightly wind-permeable privacy screen. Is this plan still too risky or feasible? The fence will be attached not only to the L-blocks but also extend a bit further. Would it help if I set posts every 1.25m (4 feet) instead of every 2.5m (8 feet) and cut the panels to fit?
Attached is a picture of the situation.
Thank you very much.

I have already read several threads on this topic, but every case is a bit different. As the headline says, I want to install a 1.8m (6 feet) fence with privacy screening on L-shaped concrete blocks. For this, I ordered various brackets (L-shaped with 12.5mm (0.5 inch) elongated holes) that are specifically designed for this purpose. Now, after reading other threads, I’m a bit concerned about the wind load. Originally, I planned to fix the brackets with 10mm (0.4 inch) heavy-duty anchors and also glue them in. Our L-blocks are 12cm (5 inches) thick and have been cast in concrete. I assume they should be strong enough. After what I’ve read, I would now use 12mm (0.5 inch) heavy-duty anchors. In addition, I would use two rows of a slightly wind-permeable privacy screen. Is this plan still too risky or feasible? The fence will be attached not only to the L-blocks but also extend a bit further. Would it help if I set posts every 1.25m (4 feet) instead of every 2.5m (8 feet) and cut the panels to fit?
Attached is a picture of the situation.
Thank you very much.
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Benutzer 10011 Aug 2023 15:23You can do that; it will hold, especially since you are also going around the corner.
Otherwise, contact the fence manufacturer, as they have structural plans.
Otherwise, contact the fence manufacturer, as they have structural plans.
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Hausbauer20211 Aug 2023 19:15Ok, perfect, that already sounds good 😀
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Hausbauer20212 Aug 2023 08:17I researched the anchors again and found that 12mm anchors require at least a 70mm (2.8 inches) edge distance. This is not possible with 120mm (4.7 inches) L-blocks. However, I assume that 10mm (0.4 inches) anchors, which are additionally glued with mortar, should also be sufficient. Before they give way, the brackets will probably bend.
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Hausbauer20212 Aug 2023 08:49haydee schrieb:
Check if you are allowed to build such a high fence along the street.The neighbor has exactly the same, but made of wood.Similar topics