Kingspan insulation r 3 common.
Foam board insulation soundproofing.
Spray foam insulation is a polyurethane foam spray that makes a thermal barrier and minimizes air movement.
0 56 in x 4 ft x 8 ft 1 unfaced polystyrene foam board insulation item 511270 model 100000050497.
It s great for keeping the cold or heat in or out but not a good sound absorber.
There is however a sound control spray foam that works well as a sound blocker that can be used in post construction walls.
For those looking to effectively soundproof a room or more in the house experts recommend using rigid foam insulation techniques.