Foam concrete for the roof cushion generally do much bulk ah
in recent years, the density of 160kg / m3 ultra-light foam concrete is also used in construction projects.
Foam concrete density grade is generally 300-1800kg / m3, commonly used foam concrete density grade 300-1200 kg / m3,
First help you correct it, foam concrete used in the roof should be the role of thermal insulation, not as a cushion.
