Roof sandwich panel JI ROOF PLUS 1000

for roofs2 galvanized steel facessteel facing

Overview
JI Roof Plus 1000 is an insulated roof panel featuring a trapezoidal steel outer sheet, a Polyisocyanurate (PIR) foam core free of CFC/HCFC, and a durable polyester inner sheet. Designed for environments with aggressive indoor climates (industrial and agricultural sectors), the panel supports lightweight construction and rapid installation. It is compatible with the JI 45-333-1000 profile for complete roof systems.

Composition & construction

• Outer sheet: trapezoidal profiled steel
• Core insulation: Polyisocyanurate (PIR) foam (no CFC/HCFC)
• Inner sheet: durable polyester

Applications

• Industrial buildings
• Agricultural buildings
• Environments with aggressive indoor climatic conditions

Dimensions
Length: Min. 2550.0 mm / Max. 20500.0 mm
Usable width: Max. 1000.0 mm

Thickness & weight

• 40 mm: 8.26 kg/m²
• 60 mm: 9.02 kg/m²
• 100 mm: 10.54 kg/m²

Material & characteristics

• Material grade: Steel S280 GD
• Galvanised steel outer & inner faces
• Coating options available (see Coatings block)

Coatings (options)

• Essential (25 µ) — basic coil coating for standard outdoor uses (cladding, roofing, accessories)
• Ultra — textured/coated finishes for harsher external environments; recommended for roofs and façades
• Ultra-X (Ultra 75) — most durable coating for roofing and cladding; alternative to PVC-plastisol, improves system performance
• HPS 200 Ultra® — high-performance coil-coated steel for very aggressive environments

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

Insulation
Core: Polyisocyanurate (PIR)
Fire classification: E according to EN 13501-1:2019

Insulation table
Thickness (mm) | U (W/m²K) | R (m²·K/W)
40.0 | 0.50 | 2.0
60.0 | 0.34 | 2.9
100.0 | 0.21 | 4.7

Additional notes

• Designed for lightweight construction and rapid assembly
• Compatible with JI 45-333-1000 profile for complete roof systems

Technical characteristics / specifications

• Product name: JI Roof Plus 1000
• Model: JI Roof Plus 1000
• Category: Insulated roof panels
• Outer profile: trapezoidal steel sheet
• Core material: PIR foam (no CFC/HCFC)
• Inner sheet: polyester
• Material grade: Steel S280 GD
• Length: 2550 mm — 20500 mm (min/max)
• Usable width: up to 1000 mm
• Available thicknesses & weights: 40 mm (8.26 kg/m²), 60 mm (9.02 kg/m²), 100 mm (10.54 kg/m²)
• Thermal performance examples: 40 mm U=0.50 W/m²K (R=2.0), 60 mm U=0.34 W/m²K (R=2.9), 100 mm U=0.21 W/m²K (R=4.7)
• Fire classification: E (EN 13501-1:2019)
• Applicable standards: EN 10346, EN 10169, EN 14509
• Brand: Joris Ide