Expanded polystyrene. Certified plates for specific use in external thermal insulation systems (ETICS) with CE mark in thicknesses of 3 to 10cm.

Water vapor permeability resistance: μ 20-30
Squareness: S2 (± 2 / 1000mm)
Flatness: P3 (± 3 mm)

Coefficient of thermal conductivity: λ = 0,036 W / m * K
Resistance to fire: class E