A Foam Block and a Gas Block is Offten Confosed, but in the Fact of these Two Completely Diffferent Materials Their Own Characteristics and Nuances. The Foam Block IS Slightly Softer than the Gas Concrete Unit, But At the Same Time, The Moisture Resistance of the Material is Ensuered During Use. And Besides, The Cost Is Much Lower, So Literally Evryone Can Affford Such a Material.