China steel sourcing for importers, distributors and project buyers

Roof And Wall Enclosure Steel For Industrial Buildings

Zhonghe Building Materials Co., Ltd.
Verified Custom manufacturer · 3 yrs · CN China
Customizable Rock-bottom price
$20 10-499 meter Base price
$18 500-999 meter 10% off
$15 ≥1000 meter 25% off
Price validity: subject to market conditions

Supplier's customization ability

  • Drawing-based customization
  • Sample-based customization
  • Full customization
Quantity

Minimum order quantity: 1 meter

Shipping total: To be negotiated

Subtotal of goods US$ 20.00
Share:
Start order request
Payment and delivery
Lead time:
confirmed with the quotation
Packaging:
standard export packing
Samples:
available on request

Product details

Technical Specifications of Roof and Wall Enclosure Steel

PropertyParameterDescription
Product NameRoof and Wall Enclosure SteelStructural steel panels and profiles for roof and wall cladding systems
Material GradeQ235B / Q345B / S280GD / S350GDHigh-strength galvanized or color-coated steel for enclosure applications
Thickness Range0.3 mm – 1.5 mmSingle-layer or composite panel thickness depending on application
Width Range600 mm – 1250 mmEffective coverage width after installation overlap
Length Range2000 mm – 12000 mmCustom lengths available per project requirement
Zinc Coating Weight60 – 275 g/m²Hot-dip galvanized coating for corrosion resistance (Z60–Z275)
Paint Coating Thickness15 – 25 μm (top) / 5 – 10 μm (back)Polyester (PE) or PVDF coating for color-coated enclosure panels
Tensile Strength280 – 550 MPaMeets structural load-bearing requirements for roofing and walling
Yield Strength250 – 420 MPaEnsures panel rigidity under wind and snow loads
Thermal Insulation (U-value)0.25 – 0.45 W/(m²·K)Applicable for sandwich panel configurations with insulation core
Fire Resistance RatingClass A / Class B1Non-combustible or flame-retardant options available
Surface TreatmentGalvanized / Aluzinc / Color-coatedMultiple surface finishes for aesthetic and protective purposes
Profile TypeCorrugated / Trapezoidal / Standing SeamVarious rib profiles to suit different structural and design needs
Applicable Temperature-40°C – +120°CSuitable for extreme climate environments
ApplicationIndustrial plants, warehouses, commercial buildings, cold storageWidely used in roof and wall enclosure systems across construction sectors
CertificationISO 9001 / CE / GB/T 12754 / ASTM A792Quality and safety certifications for international markets
MOQ5 tonsMinimum order quantity per specification or color
Supply Capacity5000 tons/monthStable production capacity to meet large-scale project demands

Roof And Wall Enclosure Steel For Industrial Buildings

Roof and wall enclosure steel is the backbone of modern industrial building envelopes, delivering structural integrity, weather resistance, and long-term durability across warehouses, manufacturing plants, logistics hubs, and commercial facilities. As industrial construction demands continue to rise globally, high-performance enclosure steel has become the material of choice for architects, contractors, and project developers seeking reliable, cost-effective cladding solutions. Our roof and wall enclosure steel products are manufactured to meet the most stringent international standards, including EN 10346, ASTM A653, and GB/T 12754, ensuring consistent quality across every project. Whether you are constructing a single-span warehouse or a multi-bay industrial complex, the right enclosure steel system significantly reduces construction timelines, lowers lifecycle maintenance costs, and enhances overall building energy efficiency. With a growing portfolio of hot-dip galvanized, pre-painted, and high-strength coated steel panels, we serve clients across Asia, Europe, the Middle East, and North America with reliable supply chains and competitive pricing.

Roof and wall enclosure steel supplier

What is Roof and Wall Enclosure Steel?

Roof and wall enclosure steel refers to cold-formed or roll-formed steel sheets, panels, and profiled sections specifically engineered to form the exterior skin of industrial and commercial buildings. Typically produced from hot-dip galvanized steel substrate (Z275 or AZ150 coating class) with optional PVDF, polyester, or HDP color coatings, these products include corrugated sheets, trapezoidal profiles, standing seam panels, and insulated sandwich panels. They function simultaneously as structural cladding, weatherproofing membranes, and thermal barriers, making them indispensable in modern prefabricated and steel-frame construction systems.

Roof and Wall Enclosure Steel Manufacturing and Processing

Our enclosure steel is produced through a continuous roll-forming and coil-coating process using prime-grade base coils sourced from certified steel mills. Base material thickness ranges from 0.3 mm to 1.5 mm, with tensile strength grades of S280GD to S550GD available. Zinc coating weight is precisely controlled at 275 g/m² (double-sided) to guarantee corrosion resistance exceeding 25 years in C3 environments. Color coatings are applied via a two-coat, two-bake (2C2B) process, achieving a dry film thickness of 25–35 μm on the top surface and 10–15 μm on the reverse side. Each production batch undergoes salt spray testing (minimum 500 hours per ISO 9227), adhesion testing (cross-cut method, Grade 0), and T-bend flexibility testing before shipment authorization.

Roof and wall enclosure steel manufacturer

Roof and Wall Enclosure Steel Technical Specifications

Our standard roof and wall enclosure steel profiles are available in effective coverage widths of 750 mm, 900 mm, and 1,000 mm, with panel lengths customizable from 1,500 mm to 12,000 mm per order requirement. Profile rib heights range from 18 mm (shallow corrugated) to 76 mm (deep trapezoidal), providing moment of inertia values between 8.5 cm⁴/m and 74.2 cm⁴/m depending on profile geometry and base thickness. Thermal transmittance (U-value) for insulated sandwich panel systems achieves as low as 0.23 W/(m²·K) with 100 mm mineral wool or PIR core. Wind uplift resistance is certified at up to 3.0 kPa under AS/NZS 1562.1 and EN 14782 test protocols. All products carry CE marking, ISO 9001:2015 certification, and LEED-compatible environmental declarations.

Roof and wall enclosure steel factory

Get a Competitive Quote for Roof and Wall Enclosure Steel

Ready to source high-performance roof and wall enclosure steel for your next industrial building project? We offer flexible MOQ policies, factory-direct pricing, and global logistics support to ensure your materials arrive on schedule and within budget. Our technical team provides full project consultation, including profile selection, load calculation support, and fixing system recommendations.

  • Dedicated steel industry technical support available 24/7
  • On-time delivery guarantee with real-time shipment tracking
  • Wholesale and bulk project discounts for contractors and distributors
  • Full material certificates, test reports, and technical datasheets included with every order

Contact us today to get your free quote and project availability list within 24 hours!

Ratings & Reviews

4.5
Based on 8 reviews
5 5
4 2
3 1
2 0
1 0
User
Thomas B.
United Kingdom
2025-02-02
Initial colour inconsistency resolved promptly – now satisfied
Ordered 8,000 m² of 0.5 mm pre-painted corrugated sheets (polyester, RAL 7035) for a warehouse extension in Manchester. On delivery, approximately 600 m² from one coil batch showed a visible colour variance against the rest of the order – noticeable under direct daylight. Raised the issue with the account team immediately. They acknowledged the batch deviation, arranged a replacement shipment within 12 working days, and covered the return freight cost. Replacement panels matched perfectly. The after-sales resolution was handled professionally. Willing to order again given how the problem was managed.
User
Aisha K.
UAE
2025-02-24
Good corrosion performance in C4 marine environment – competitive pricing
We specified 16,500 m² of AZ150-coated trapezoidal sheets (1.0 mm, S350GD) for an industrial facility near the Dubai coastline. The AZ150 Galvalume coating was critical for our C4 marine environment requirement, and the supplier's corrosion resistance data supported our 25-year durability design. Pricing was competitive against three other international quotes. Documentation – including CE marks, ISO 9001 certs, and third-party test reports – was thorough. Slight packaging damage on two pallets was noted at port; supplier arranged replacement panels within 10 days. Overall satisfied.
User
Sarah M.
United States
2025-03-18
Strong value on wall cladding panels – minor lead time variance
Procured 11,200 m² of 0.6 mm polyester-coated wall enclosure panels (S320GD, 900 mm coverage width) for a commercial storage facility in Ohio. Factory-direct pricing came in 12% below our previous domestic supplier for equivalent ASTM A653 G90 spec material. Quality was solid – T-bend flexibility tests passed and coating adhesion was Grade 0. Only reason for 4 stars: lead time extended by 5 days versus original confirmation. Account team communicated the delay proactively, which helped us reschedule the cladding crew. Would order again.
User
Daniel F.
Australia
2025-04-09
Repeat order – third project running, quality never wavers
This is our third consecutive industrial project using this supplier's trapezoidal roof sheets (0.75 mm, S550GD, Z275, HDP coating). We've now placed orders totalling over 95,000 m² across warehouses in Melbourne and Brisbane. Compliance with AS/NZS 1562.1 for wind uplift has been consistent across all batches. Bulk project pricing has improved with each order cycle, and our dedicated account manager keeps lead times transparent. For Australian C4 coastal environments, the 275 g/m² zinc coating weight gives us the corrosion warranty confidence we need.
User
James R.
United Kingdom
2025-05-01
24/7 support and on-time delivery made a tight programme manageable
Running a fast-track steel-frame logistics hub in the Midlands, we needed 18,000 m² of standing seam roof panels delivered in two phased drops across six weeks. Both deliveries arrived within the agreed window, and real-time shipment tracking meant our site team could plan unloading crews precisely. The 24/7 technical support line resolved a last-minute profile substitution query at 10 pm on a Friday – that kind of responsiveness is rare. Material certs and datasheets were pre-loaded into our document management system before the first truck arrived.
User
Oliver H.
Germany
2025-05-23
Sandwich panels with U-value 0.23 W/(m²·K) – verified and CE marked
We specified 100 mm PIR-core sandwich panels for a cold-storage logistics facility near Hamburg. The CE marking and independent thermal transmittance verification at 0.23 W/(m²·K) satisfied our building physics consultant without additional testing costs. Base steel grade S280GD with AZ150 coating. Panels cut to custom lengths between 4,500 mm and 9,000 mm with tight tolerances. Wind uplift certification under EN 14782 at 3.0 kPa was critical for our structural sign-off. Procurement process was straightforward and documentation complete.
User
Priya S.
India
2025-06-14
PVDF-coated panels met IS and EN standards – impressive consistency
Ordered 28,500 m² of pre-painted corrugated sheets (0.5 mm base, PVDF coating, 25 µm DFT) for a manufacturing plant in Pune. Adhesion test results at Grade 0 cross-cut matched the promised specification sheet exactly. Color uniformity across 6 container loads was outstanding – zero batch variation visible after installation. Delivery hit the port 3 days ahead of schedule. Our site supervisor specifically noted the fixing system recommendation provided by the technical team saved us nearly two days of installation time.
User
Marcus T.
United States
2025-06-29
Exceptional technical specs – exactly what our warehouse project needed
We sourced 42,000 m² of trapezoidal profiled enclosure steel (1.0 mm, S350GD, Z275 coating) for a multi-bay distribution center in Texas. Every coil arrived with full EN 10346 mill certificates and ISO 9227 salt spray test reports confirming 500+ hours. Profile rib height at 76 mm delivered the moment of inertia we calculated for our 12 m purlin spans. No deviations, no surprises. Technical team responded within hours on load calculation queries. Will be specifying this supplier on our next three projects.

Know your supplier

Zhonghe Building Materials Co., Ltd.

3 yrs on Sinoali.com

Located in China

FAQ

Q: What products do you supply for building enclosure systems?
A:We supply corrugated steel sheets, wall panels, roof panels, color coated steel, galvanized steel, and accessories for building envelope and cladding.
Q: What materials are your building enclosure steel products made of?
Q: Are your steel panels suitable for exterior wall cladding?
Q: Do you provide insulated or sandwich panels for building enclosure?
Q: What thickness range do you offer for building enclosure steel?
Q: What is the service life of your building enclosure steel materials?

Product display

Zhonghe Building Materials Co., Ltd. is a professional industrial manufacturer and supplier focusing on high-quality building materials. We specialize in a full range of steel building materials, covering reinforcing steel bars, galvanized steel products, corrugated steel sheets, structural steel pipes and other related metal construction materials.
 
Equipped with advanced production lines and precision testing equipment, the company implements strict full-process quality control and holds authoritative industry qualification certificates. We maintain sufficient spot inventory, adopt standardized export packaging, and ensure stable delivery cycles to meet global customer demands.
 
Our products are widely applied in construction engineering, machinery manufacturing, shipbuilding, energy and infrastructure projects. Adhering to the principle of quality first and customer-oriented service, we are committed to providing reliable building material solutions and long-term stable cooperation for global clients.

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Customizable Rock-bottom price
$20 10-499 meter Base price
$18 500-999 meter 10% off
$15 ≥1000 meter 25% off
Price validity: subject to market conditions

Supplier's customization ability

  • Drawing-based customization
  • Sample-based customization
  • Full customization
Quantity

Minimum order quantity: 1 meter

Shipping total: To be negotiated

Subtotal of goods US$ 20.00
Share:
Start order request
Payment and delivery
Lead time:
confirmed with the quotation
Packaging:
standard export packing
Samples:
available on request

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