Floor insulation is very important in any level of the construction, and especially when it comes to attic rooms. This part of the home is the coldest and needs special treatment for adding extra warmth, extra sound insulation and more. The process of isolating the attic floor is presented with several pictures bellow and the layers are well visible.  Of course, you need to use extra quality materials to gain extra powerful insulation. More, from the link bellow.

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