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When it comes to sound insulation, there are two key types. One of them is open cell spray foam. We will airtight your whole cavity, make a sound barrier between the two walls and between the ceiling, between the installation of the product.
And the other one, which is mineral wool, it's made out of a rock.
It's a more eco friendly product. It's manufactured to fill in a cavity And produce a sound blanket between the between the two walls. So typically, these products are being used for their performance on sound deadening.