Differents between Merfolood and Merfisol
The biggest difference for the user is the processing comfort. Merfolood the layer of lead in the product makes it easy to bend a pipe, almost kneading it, so that it stays in place by itself, useful if you work alone. Merfisol has a fire-retardant foam layer and after assembly no finger presses remain in the top layer, can be important in vision work. The insulation values are similar.
Sound insulation and acoustics in your home
More information about device insulation, door insulation, floor insulation and reducing reverberation in your home can be found on the page Sound insulation and acoustics in your home.