ᐅ Impact sound insulation with vapor barrier for laminate flooring

Hello,

When considering floating laminate flooring, I received a suggestion to use impact sound insulation that already has a vapor barrier integrated. This sounds reasonable because it avoids an additional air layer, and the laminated foil improves heat transfer. (I have underfloor heating installed.) The only downside is that this foil costs a bit over 50 € for 8 sqm (86 sq ft).

• Does this actually make sense in practice, or will I hardly gain any improvement in terms of heat loss?
• Is a vapor barrier necessary if an insulation layer is already installed in the screed (new build)?
• Does anyone know a more affordable source where you can still trust the quality?

Thanks in advance.

Regarding point two: You definitely need a vapor barrier.

I have used these as well. However, if you do a bit of searching online, you can find them cheaper on the internet. With these prices, you can take advantage of the lowest price guarantee at some hardware stores. I managed to get the price down to just under 30€ (about $33) per roll :-)

Hello,
As recommended by our specialist dealer, we used the impact sound insulation with vapor barrier from the manufacturer of our flooring (HARO). The price was around 3 euros per m² (about $3.20 per square yard). In specialist stores, you can often find quality products at the same price or even cheaper than comparable products in DIY stores.