Polyurethane

Polyurethane foam – this is one of the types of foam.
In what form polyurethane foam produced?
Polyurethane foam is sold in the form of plates of different hardness.
Advantages of polyurethane

1. Low weight.
2. Easy to install (if in the form of plates – but not foam!)
3. Resistant to moisture and rot.
4. Chemically resistant.
5. Generally, the polyurethane foam is not necessary to protect.
6. Sound-proof properties.
7. In fact, the polyurethane foam can be called the best insulation material,

Disadvantages of polyurethane
Perhaps the only disadvantages of polyurethane is it quite expensive cost.