Box profile roofing sheets
Box profile roofing sheets (trapezoidal profile) in four patterns, from the 14-rib H 20 to the 5-rib, 40 mm-deep R/W 1000. Made to length, galvanised or colour-coated, fire class A1. We supply box profile only; no wave-profile corrugated.
All box profile roofing sheets products
Compare the range
Declared values from manufacturer datasheets to EN 14509 and EN 13501. A dash means no rating is published.
| Product | Type | Core | Thickness | U @ 100 mm | Reaction to fire | Fire resistance | External fire |
|---|---|---|---|---|---|---|---|
| H 28 | Box profile roofing and cladding sheet | Steel | up to 1.0 mm steel | – | A1 | – | BRoof(cwft) |
| R/W 1000 | 1000 mm cover roofing and wall sheet | Steel | up to 1.0 mm steel | – | A1 | – | BRoof(cwft) |
| H 20 | Box profile roofing and cladding sheet | Steel | up to 1.0 mm steel | – | A1 | – | BRoof(cwft) |
| SL 940 | Lightweight roofing and wall sheet | Steel | up to 1.0 mm steel | – | A1 | – | BRoof(cwft) |
Certifications on this range
Reaction to fire (EN 13501-1), fire resistance (EN 13501-2), external fire (EN 13501-5), EPD type III and CE marking. Classes depend on core and thickness and are confirmed at order.
Full certification tablesBox profile roofing sheets questions
Box profile or corrugated?
Box profile (trapezoidal) sheets span further and seal better at laps than wave-profile corrugated sheets. We supply box profile only.


