Hello ! Vekover factory in Latvia , from recycled newspapers , makes eko clean and nature friendly material , cellulose insulation . Product is fire resistant and pests free . Insulation material is good heat insulator as well as sound proof material . Can be installed in residential and industrial buildings in walls , attics and floors .Good think about material itself is that when installing there is no waste . You can be shore that awery smallest gap is going to be filed .If you have any more queries , please do not hesitate to contact me . Regards , Mr Raivis Lacplesi