This guide breaks down what actually drives the price, so you can compare quotes properly instead of choosing on the lowest number alone.
Corrugated Roofing Sheet Price in UAE: What Determines the Cost per Square Metre
If you've requested quotes for corrugated roofing sheet in the UAE, you've probably noticed the price per square metre varies more than expected between suppliers — sometimes for sheets that look almost identical on paper. Corrugated roofing is not a single fixed-price product; it's built from several layered specifications, and each one shifts the final cost.
Why There Is No Single "Price per Sqm"
Corrugated roofing sheet pricing depends on the base material, coating type, zinc coating weight, sheet thickness, and profile depth — all of which can vary between suppliers quoting for what looks like the same product. A price difference of even a dirham or two per square metre, multiplied across a large warehouse or villa roof, adds up to a meaningful cost gap, so it's worth understanding exactly what you're comparing before choosing based on price alone.
The Core Cost Factors
1. Base Material: GI vs PPGI vs Aluminum
Plain galvanized steel (GI) sits at the most accessible price point, offering solid corrosion protection through its zinc coating without a painted finish. PPGI (Prepainted Galvanized Steel) adds a factory-applied paint layer over the same zinc-coated base, increasing cost moderately while adding colour consistency and stronger UV resistance. Aluminum roofing sheet generally commands the highest price per square metre, reflecting both the base metal cost and its superior natural corrosion resistance, particularly valuable for coastal properties.
2. Zinc Coating Weight (GSM / Z Rating)
The zinc coating weight, measured in grams per square metre or expressed as a Z rating (Z80, Z180, Z275), directly affects both cost and corrosion resistance. A heavier coating class costs more per square metre because more zinc is used, but extends the roof's service life considerably — particularly relevant in coastal or high-humidity zones where a lighter coating class corrodes faster.
3. Sheet Thickness
Corrugated roofing sheet typically ranges from 0.20mm to 0.60mm for standard residential and light commercial applications, with heavier gauges used for structural or high-load roofing. Thicker sheet uses more raw material per square metre and costs proportionally more, but also offers greater structural rigidity and wind-load resistance.
4. Coating System (For PPGI)
Standard Regular Modified Polyester (RMP) coating covers most general roofing needs at the lower end of the PPGI price range. Silicon Modified Polyester (SMP) and PVDF coatings sit progressively higher, offering stronger UV and weathering resistance for projects where 15-20+ year colour retention matters more than upfront cost.
5. Profile Depth and Corrugation Pattern
Deeper corrugation profiles generally use more material per square metre of coverage than shallow trapezoidal profiles, which can influence price even when the base material and coating specification are identical. Profile choice is also a structural decision — deeper profiles typically span greater distances between purlins, which can reduce the number of structural supports needed.
Typical Price Range Guidance
Corrugated roofing sheet pricing in the UAE generally starts at the lower end for basic galvanized sheet at lighter coating classes, moving upward through standard PPGI with RMP coating, and reaching the higher end for premium PVDF-coated PPGI or aluminum sheet. Because steel and zinc rates move with global commodity markets, any specific number quoted today will shift over time — the more reliable approach is requesting a current quote based on your exact specification rather than relying on a published price list.
What to Confirm Before Comparing Quotes
Before comparing supplier quotes, confirm each one specifies the same zinc coating class, sheet thickness, and coating system — not just the same general material name. Ask whether the price includes cutting to length, delivery, and any minimum order quantity, since these additions can shift the effective per-square-metre cost significantly between suppliers quoting seemingly similar base prices.
Per Square Metre vs Per Tonne: Understanding the Quote
Roofing sheet may be quoted per square metre for finished, cut-to-length sheet, or per tonne for coil supplied to a fabricator for roll-forming. If you're comparing a per-tonne coil quote against a per-square-metre finished sheet quote, make sure you're converting to the same unit before judging which is the better price — these are not directly comparable without doing the conversion first.
Get an Accurate Quote from AISL
Arabian Iron and Steel LLC (AISL) manufactures GI, PPGI, PPAZ, and PPAL coil at our Continuous Color Coating Line in Umm Al Quwain, UAE, supplying roofing sheet manufacturers and fabricators across the UAE and GCC with certified material at every coating class and thickness.
If you'd like an accurate, current price based on your exact roofing specification, contact our team for a live quote.
