Hello everyone,
After reading through several threads on this topic, I still haven’t figured out which type of block is the right choice for us. Our general contractor prefers to use aerated concrete blocks, but I’m concerned about the lower sound insulation properties of aerated concrete compared to cavity-filled porous clay blocks.
Regarding noise conditions:
We have a corner lot located on a traffic-calmed street and a low-traffic road. The property is in the Greater Frankfurt area, and currently, there is no aircraft noise in the area. Two children are planned.
So my question for the experts:
Am I just being overly cautious about sound insulation, or does it actually make sense to go with the more expensive, heavier block?
Additionally, I’d like to know approximately how much more the structural shell would cost using the heavier blocks (townhouse-style villa, 2 full stories, 9.7m by 10.5m (about 160 sqm (1720 sq ft)), fully brick-built basement).
Best regards
After reading through several threads on this topic, I still haven’t figured out which type of block is the right choice for us. Our general contractor prefers to use aerated concrete blocks, but I’m concerned about the lower sound insulation properties of aerated concrete compared to cavity-filled porous clay blocks.
Regarding noise conditions:
We have a corner lot located on a traffic-calmed street and a low-traffic road. The property is in the Greater Frankfurt area, and currently, there is no aircraft noise in the area. Two children are planned.
So my question for the experts:
Am I just being overly cautious about sound insulation, or does it actually make sense to go with the more expensive, heavier block?
Additionally, I’d like to know approximately how much more the structural shell would cost using the heavier blocks (townhouse-style villa, 2 full stories, 9.7m by 10.5m (about 160 sqm (1720 sq ft)), fully brick-built basement).
Best regards
BauNoobie schrieb:
Why can’t I screw anything into Poroton blocks? As far as I know, there is more air inside and some kind of polystyrene in the middle, which makes it harder to use anchors compared to Ytong. Karsten
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BauNoobie14 Mar 2019 10:43Thank you all. In this case, I will simply follow the general contractor's advice and build with the masonry he recommends/suggests (which will probably be Ytong)!
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wurmwichtel14 Mar 2019 20:53Nordlys schrieb:
As far as I know, there is still more air inside and some Styrofoam in the middle, so fixing with anchors is harder than in Ytong. Karsten Drilling without hammer mode and using Fischer FIS-V anchors works even with heavy loads.My point is this: new construction. You order a kitchen from Küchenwunderwelt, which comes with a free dishwasher today only. Now Ali and Mehmed arrive to install it. Wall cabinets are, of course, included. The two are fearless, cheerful, and full of energy; they start drilling. Crumbs everywhere. Now the anchors go in, but the slightly stingy boss only packs Chinese-made anchors in their kit. They don’t hold very well. Well, let’s use thick screws... everything is attached and hanging. ... Three months later, and fully loaded with your wife’s fine dishes, creak and crash... You’re furious, thinking what clumsy workers... with aerated concrete blocks it wouldn’t have happened, those Chinese anchors would also work there. Okay.
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