YSLT45° – Thermal Double Wall Straight Lateral
Outer Shell: Solid Galvanized Steel
Inner Shell: Solid Galvanized Steel
YSLA45° – Acoustical Double Wall Straight Lateral
Outer Shell: Solid Galvanized Steel
Inner Shell: Perforated Galvanized Steel
Insulation 25mm Or 50mm
Insulation Density 24 Kg/m3 As Standard
L = 1.414 x (d2 + 2l) + 100mm
