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PANEL SANDWICH · CONFIGURACIÓN Y PRESUPUESTO
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PRODUCT DESCRIPTION
The 3-rib roof sandwich panel is an insulating solution for roofs and roof coverings, made up of two profiled metal sheets bonded to a rigid polyurethane (PUR) or polyisocyanurate (PIR) core. Its three-rib geometry adds stiffness to the assembly and makes it possible to solve enclosure, insulation and exterior finish in a single prefabricated piece.
It has a useful width of 1,000 mm and is designed for roofs with a minimum slope of 5%. It can be used in industrial units, agricultural buildings, warehouses, porches, commercial roofs and other projects where a lightweight, insulating solution is required.
Manufactured in accordance with EN 14509. The insulating core has a declared thermal conductivity of 0.0207 W/m·K and a density of 40 kg/m³ ±10%.
Insulating panel intended for building roofs with a minimum slope of 5%. The choice of thickness, support spacing and sheet thickness must be checked in accordance with the actual loads and conditions of the project.
| Thicknesses | 30, 40, 50, 60, 80 and 100 mm ±2 mm |
|---|---|
| Greater thicknesses | 120 and 150 mm ±2% |
| Useful width | 1,000 mm ±2 mm |
| Manufacturing length | 4.00–20.00 m ±10 mm |
| Recommended maximum length | 13.00 m |
| Approx. rib height | 38 mm |
The standard finish is 25 µm polyester paint. Special, thicker coatings and 35 µm PVDF finishes can also be considered, subject to availability and supply conditions.
The range indicated in the technical documentation includes: RAL 9010, RAL 9006, RAL 9004, RAL 7022, RAL 7016, RAL 7012, RAL 6005, RAL 5010, RAL 3009 and RAL 1015.
Colours displayed on screen may vary from the actual finish. When the shade is critical, it’s worth checking a physical sample before confirming the order.
Installation of the 3-rib roof sandwich panel must be carried out on a correctly sized structure. Panels are laid respecting the installation direction, overlaps and the prevailing wind conditions expected for the roof.
For long roofs, a solution with transverse overlap can be used. The technical documentation considers this solution for lengths over 18.00 m and specifies overlap trims of 100, 200 or 300 mm. For the eaves trim, a 50 mm reference is indicated.
Important: a universal purlin spacing must not be set based solely on panel thickness.
DECLARED PERFORMANCE
| Configuration | 3-rib insulated roof panel |
|---|---|
| Useful width | 1,000 mm ±2 mm |
| Total thickness | 30 / 40 / 50 / 60 / 80 / 100 / 120 / 150 mm |
| Steel sheet | S250GD · EN 10346 |
| Sheet thicknesses | 0.4 / 0.5 / 0.6 mm |
| Core | PUR or PIR |
| Core density | 40 kg/m³ ±10% |
| Thermal conductivity | 0.0207 W/m·K |
| Minimum slope | 5% |
| Manufacturing standard | EN 14509 |
| Thickness | U-value | Weight 0.4/0.4 | Weight 0.5/0.4 |
|---|---|---|---|
| 30 mm | 0.62 W/m²·K | 7.7 kg/m² | 8.3 kg/m² |
| 40 mm | 0.47 | 8.1 | 8.7 |
| 50 mm | 0.38 | 8.5 | 9.1 |
| 60 mm | 0.32 | 8.9 | 9.5 |
| 80 mm | 0.24 | 9.7 | 10.3 |
| 100 mm | 0.20 | 10.5 kg/m² | 11.1 kg/m² |
| 120 mm | 0.17 | 11.3 | 12.4 |
| 150 mm | 0.13 | 12.6 | 13.6 |
The technical documentation includes uniformly distributed load tables for spans from 1.50 to 5.00 m, differentiating uplift and downward load, single or multiple support conditions, and 0.4/0.4 and 0.5/0.4 mm sheet configurations.
Panel selection must not be based solely on a generic table. Wind, snow, maintenance, suction loads, number of supports and the building configuration must be checked for each project.
TECHNICAL DATASHEET
See the panel’s full technical datasheet for the 3-rib roof sandwich panel, including dimensions, thicknesses, thermal performance, weights, finishes, overlap solution and load tables.
Use this document as a technical reference and check your project’s specific conditions before defining thicknesses, supports and fixings.
TECHNICAL IMAGES
QUESTIONS
The minimum slope indicated in the technical documentation is 5%. The final design must also consider roof slope length, overlaps, flashings and the site’s climatic conditions.
The panel can be manufactured in 30, 40, 50, 60, 80, 100, 120 and 150 mm. Thicknesses from 30 to 100 mm have a stated tolerance of ±2 mm, while 120 and 150 mm have a tolerance of ±2%.
Both cores have a declared thermal conductivity of 0.0207 W/m·K. The documentation indicates reaction to fire B-s2,d0 for PUR and PIR, and B-s1,d0 for the high fire-performance PIR formulation.
Thermal transmittance decreases as thickness increases: from 0.62 W/m²·K at 30 mm to 0.13 W/m²·K at 150 mm, according to values declared to EN 14509.
The documentation considers manufacturing lengths between 4.00 and 20.00 m, although it sets 13.00 m as the recommended maximum length. For longer lengths, transport, handling and, where applicable, overlap solutions should be reviewed.
The stated useful width is 1,000 mm ±2 mm, which makes it easier to calculate the number of units needed to cover a given area.
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