Roof sandwich panel JI VULCASTEEL ROOF ALPHA

for roofs2 metal facessteel facing

Product description
JI Vulcasteel Roof Alpha is an insulated roof panel featuring a trapezoidal outer sheet, a mineral wool core and a perforated, slightly ribbed inner sheet. Available in thicknesses up to 240 mm, the panel provides high acoustic attenuation and absorption, combined with elevated mechanical strength and fire resistance. It is designed for low-humidity environments across agricultural, industrial, tertiary and residential roof applications.

Dimensions

• Length: Min. 2500.0 mm / Max. 14000.0 mm
• Width: Max. 1000.0 mm

Thickness & weight

• 50 mm: 14.92 kg/m²
• 60 mm: 15.85 kg/m²
• 80 mm: 17.91 kg/m²
• 100 mm: 19.91 kg/m²
• 120 mm: 21.91 kg/m²
• 150 mm: 24.84 kg/m²
• 175 mm: 27.35 kg/m²
• 200 mm: 29.98 kg/m²
• 240 mm: 33.91 kg/m²

Characteristics

• Material: Steel S280 GD
• Outer sheet profile: trapezoidal outer sheet
• Inner sheet: perforated, slightly ribbed inner sheet
• Core insulation: Mineral wool (mineral fibre)
• Typical facing thickness: exterior 0.60 mm / interior 0.50 mm (standard)
• Recommended use: low-humidity roofing in agricultural, industrial, tertiary and residential sectors

Reference standards

• Galvanized steel: EN 10346:2015 - tolerances according to EN 10143:2006
• Coil coating: EN 10169:2022
• Tolerance (geometry): EN 14509:2013
• Calculations: flat-rate application of EN 14509:2013

Insulation

• Core: Mineral fiber core (mineral wool)
• Fire classification: A2-s1,d0 (for all coatings except HPS 200 Ultra) according to EN 13501-1:2019

Insulation table
Thickness (mm) | U (W/m²K) | R (m².K/W)
50.0 | 0.77 | 1.25
60.0 | 0.66 | 1.50
80.0 | 0.51 | 1.95
100.0 | 0.41 | 2.40
120.0 | 0.35 | 2.85
150.0 | 0.28 | 3.55
175.0 | 0.24 | 4.10
200.0 | 0.21 | 4.65
240.0 | 0.18 | 5.55

Technical specifications

• Product name: JI Vulcasteel Roof Alpha
• Model / commercial denomination: JI Vulcasteel Roof Alpha
• Product type: Insulated roof panel (trapezoidal outer sheet, perforated inner sheet)
• Core material: Mineral wool
• Available thicknesses: 50, 60, 80, 100, 120, 150, 175, 200, 240 mm
• Weight per m² by thickness: see thickness & weight
• Thermal performance: see insulation table for U and R values by thickness
• Fire performance: A2-s1,d0 (except HPS 200 Ultra coating) according to EN 13501-1
• Material specification: Steel S280 GD
• Dimensions: length 2 500–14 000 mm; max useful width 1 000 mm
• Acoustic: provides significant sound reduction and absorption for high acoustic requirements