Will mild steel parking sheds rust?

Mild steel is prone to rust but Wasleen mitigates this with a 3-layer Epoxy Coating system. It requires maintenance repainting every 5-7 years.

Is the thermal insulation different between Steel and Aluminium sheds?

No. Both use the same 50mm PIR Sandwich Panel roof, offering identical heat rejection and cooling for vehicles.

Cost of Insulated Mild Steel Parking Sheds in Nad Al Hammar – Dec 2025 | Real Quote

Not every project requires the unlimited lifespan of aluminium. For many luxury villas in Nad Al Hammar, the goal is to balance Heat Protection with Budget.

In this case study, we explore the “Value Engineered” option proposed to a luxury developer. The client needed to cover the same 154 SQM area (approx. 10 cars) but wanted to see a cost-effective alternative to the AED 217,000 aluminium proposal.

The solution? A heavy-duty Mild Steel (MS) Structure protected by a high-spec Epoxy Coating System. This reduces the material cost by over 50% while maintaining the same thermal insulation properties.

Below is the verified, unredacted quote for this Mild Steel option.

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The Unredacted Quote (Verified Dec 2025)

Project Location: Nad Al Hammar, Dubai. Project Size: 154 SQM (28m x 5.5m). Structure Type: Mild Steel (MS) Frame with Epoxy Protection.

Line Item	Technical Specs	Cost (AED)
01. Engineering & Site Prep	Supervision, snagging, site leveling, and minor civil works.	2,500
02. Mild Steel Structure (MS)	Fabrication of Main Columns (100x100x2.0mm SHS) & Rafters. Includes gussets, stiffeners, and welding.	Includ. in Item 03
03. Supply & Installation (154 SQM)	MS Frame + 50mm Insulated Sandwich Panel Roof + Epoxy Paint System.	93,000
04. Anti-Rust Protection	3-Coat System: Zinc Rich Epoxy Primer + Epoxy Build Coat + PU Top Coat (UV Resistant).	Included
TOTAL PROJECT VALUE	Verified Quote QT202512-135	AED 95,500

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Engineer's Commentary: The "Epoxy" Compromise

The price difference is staggering: AED 95,500 (Steel) vs AED 220,000 (Aluminium). That is a 56% saving. But is it worth the risk? 1. The Rust Solution (3-Layer Defense) Standard steel rusts in Dubai within 12 months due to high humidity. To mitigate this, Wasleen specifies a strict 3-Layer Coating Protocol for this project: Zinc Rich Epoxy Primer: This acts as a “sacrificial layer.” If the paint is scratched, the zinc oxidizes instead of the steel. Epoxy Build Coat: A thick barrier that blocks moisture. PU (Polyurethane) Top Coat: This is crucial. Epoxy breaks down under UV light (sun). The PU coat shields the epoxy from the sun. 2. The Thermal Performance Critically, this cheaper option does not sacrifice cooling. We use the exact same 50mm PIR Sandwich Panel as the luxury option. The cars underneath will feel just as cool as they would under the aluminium structure. The only difference is the lifespan of the columns holding it up.

💡 Wasleen Expert Insight

The Maintenance Reality: While you save AED 120,000 upfront, Mild Steel requires “OpEx” (Operational Expenditure). In Nad Al Hammar’s humid air, you must budget for repainting every 5-7 years. If you plan to sell the villa in 3 years, Steel is the smart financial choice. If you plan to stay for 20 years, Aluminium is cheaper in the long run.

Frequently Asked Questions (FAQ)

1. Will the steel rust immediately?

No. With our 3-coat Epoxy system, the steel is protected for approx. 5-7 years before minor touch-ups are needed. It will not rust immediately like standard “red oxide” painted steel.

2. Does this option include the concrete foundation?

This specific quote covers the Base Plates and Anchors. Depending on the existing ground (interlock vs sand), we may need to cast new concrete footings, which is a separate low-cost civil works item.

3. Can I upgrade the roof to Aluminium later?

You can keep the Sandwich Panel roof (which is aluminium-skinned), but you cannot easily swap the Steel Columns for Aluminium later. The structural design and anchoring are different.

4. Is the sandwich panel fire rated?

Yes. Wasleen uses DCD-approved PIR (Polyisocyanurate) core panels which are fire-retardant and self-extinguishing, unlike older PU panels.

5. How much hotter is it under this roof compared to Aluminium?

There is zero difference in temperature. Both options use the exact same 50mm Insulated Sandwich Panel. The difference is purely in the longevity of the supporting columns.