Corrugated Roofing Sheets

Farm buildings, industrial halls, warehouses and agricultural structures across Poland rely on durable, affordable corrugated roofing sheets. Sino East Steel is a corrugated roofing sheet manufacturer and factory producing galvanized and colour-coated profiles from Z275-grade substrate, including trapezoidal and corrugated profiles for roofs and walls. Buying directly from our factory gives Polish agricultural and construction buyers consistent profile dimensions, strong zinc protection for cold and humid climates, and mill pricing with EN 10204 certificates on every shipment to Gdansk, Gdynia and Szczecin.
Corrugated Steel Roofing Sheets — Light, Strong, ProvenCorrugated steel sheets are formed from galvanized or color-coated steel strip into the classic wavy profile that has roofed agricultural, industrial and utility buildings for generations. The profile adds stiffness to thin steel, allowing wide purlin spacings and quick installation by contractors. Sino East Steel supplies corrugated sheets in galvanized, galvalume and PPGI finishes, thicknesses from 0.16 mm to 0.8 mm, and standard profiles including classic 32/1000, 35/1000, C- and W- profiles, with custom roll forming available for project-specific dimensions. Sheets can be delivered flat in bundles or pre-cut to your length with matching ridge caps and flashings.
Roll Forming and FinishingCoil stock is fed through a roll forming line where successive roller stations gradually bend the flat strip into the final corrugated profile. Inline options include pre-punching for fasteners, cut-to-length sawing, and protective film application on painted sheets. The finished sheets are stacked, strapped and wrapped for export, with edge protectors to prevent transit damage to the profile or the paint film.
ApplicationsCorrugated sheets are the standard roof and wall covering for Polish farm buildings, stables, warehouses, workshops, carports, sports halls and industrial halls. Galvanized sheets suit general utility buildings, while PPGI sheets in anthracite, green or red are widely used on residential extensions and commercial structures where appearance matters. The profile also serves as formwork for concrete slabs and as a durable cladding for container and modular structures.
How to Choose the Right SheetMatch the sheet thickness to the roof span and local snow load: for most Polish agricultural buildings 0.45–0.55 mm galvanized or painted sheet is the practical choice, while 0.6–0.8 mm adds margin for wider spans and heavy snow regions. Prefer PPGI over plain galvanized where corrosion resistance and appearance are both important. Confirm the effective covering width and the purlin spacing with your designer before ordering so the sheet count is correct.
Standards, Grades & Equivalents

StandardGradeTypical Use
EN 10169 / EN 10346DX51D + Z / AZCoated steel baseASTM A653 / A792CS / AZGalvanized and galvalumeProfiles32/1000, 35/1000, C/WRoll-formed corrugation
Available Sizes & Range

ItemRangeNotes
Thickness0.16 – 0.8 mmgalvanized / galvalume / PPGIProfile32/1000, 35/1000or customLength1 – 12 mcut to length
Specification Deep-Dive for Corrugated Roofing SheetsCorrugated and trapezoidal roofing sheets are produced from galvanized or colour-coated substrate in thicknesses from 0.35 mm to 0.7 mm, with a Z275 zinc coating recommended for Polish climatic conditions. Standard profiles include 5-wave and 6-wave corrugated sheets with 762 mm and 680 mm effective widths, and trapezoidal profiles T35, T40, T55 and T75 for roof and wall cladding of industrial buildings. Profile depth and pitch follow the standard dimensions used by Polish roofing contractors, and sheets are supplied in lengths from 1 m to 12 m, cut to your roof layout to minimise waste. The zinc coating is verified per batch (coating weight, uniformity, adhesion), and colour-coated sheets carry paint system documentation (PE or PVDF) with colour code and film thickness. Sheets are packed in steel-strapped bundles on wooden pallets with corner protection and waterproof wrapping, and each bundle is marked with profile, gauge, length and quantity for easy receiving on site. For farm and industrial buildings we can also supply ridge caps, flashings and accessories from the same material, so the complete roof package arrives in one shipment.
Ordering Corrugated Sheets for Polish Agriculture and IndustrySpecify the profile type (trapezoidal or corrugated), steel thickness, zinc or colour coating, sheet length and quantity. We quote profiles with effective widths matched to your roof layout and provide loading plans so the sheets arrive undamaged. Farm and industrial halls in Poland often combine roof and wall profiles in one order — we welcome mixed containers.
Quality Control & CertificationEvery batch of material delivered from our Tianjin plant passes through a documented inspection routine: chemical composition analysis, tensile and yield testing, dimensional checks and, where applicable, hydrostatic or flattening tests. Each consignment ships with an EN 10204 3.1 mill test certificate (MTC) and batch traceability records, so your incoming inspection at Gdansk, Gdynia, Szczecin or any other EU port is straightforward. The factory operates under an ISO 9001:2015 quality management system and is independently audited by SGS and TUV Rheinland for production capacity and export reliability.
Export Documentation IncludedEvery order is shipped with a complete documentation set: commercial invoice, packing list, bill of lading, certificate of origin, and the EN 10204 3.1 mill test certificate with heat numbers and test results. Where your project requires third-party inspection, we can arrange SGS, TUV or Bureau Veritas inspection before loading, with the inspection report issued in English for easy clearance in the EU.
Why European Buyers Source This Product from Sino East SteelImporting steel from China to Poland is a routine, well-understood process when you work with a manufacturer that has done it hundreds of times. Sino East Steel combines factory-direct pricing with export experience across the EU, so you avoid the margin stack of trading companies and the documentation delays that slow down first-time imports. Our export team prepares commercial invoices, packing lists, certificates of origin, and the EN 10204 3.1 mill certificates your quality department and customs broker expect. We also coordinate vessel booking from Tianjin/Xingang to Baltic ports, and for regular customers we can hold production slots so repeat orders keep your warehouse stocked without interruption.Because we are the manufacturer, specification changes, coating requirements, packing instructions and delivery dates are agreed directly with the people who control the production line. This transparency is what distributors and contractors in Poland value most: one accountable partner, one set of documents, and material that matches the sample on every shipment.
Packaging & Delivery to Poland and the EUProducts are packed in seaworthy export condition: steel strapping, waterproof wrapping, and wooden or steel pallets where required, with clear marking for safe handling. For pipe and tube orders we use the standard export bundle format with plastic end caps on request. Sea freight to Polish and Baltic ports (Gdansk, Gdynia, Szczecin, Klaipeda) is arranged from Tianjin or Xingang port, with typical lead times of 15–25 days after production. FCL and LCL options are both available, and mixed-container consolidation is offered for regular customers who combine several product lines in one delivery.
Customization & Value-Added ServicesBeyond standard supply, our finishing lines can prepare material for your exact production step: cutting to length, drilling, bevelling, threading, coating, marking and custom bundling per your drawings. Packaging can be adapted to your handling equipment — pallets, frames, slings or individual protective wrapping — and private labeling is available for distributors who resell under their own brand. For customers with regular monthly programs, we schedule production slots so that reorder quantities arrive on time, allowing you to run leaner stock without risking supply gaps on your own production line.
Technical Support & After-Sales ServiceOur export engineers support you from specification to installation: confirming grade and size selections, advising on coatings and packing for your climate and handling equipment, and answering technical questions from your quality department. After delivery, we keep the batch records on file and can issue additional documentation, arrange replacement paperwork, or support you in the rare case of a claim. For Polish customers this means a single point of contact who knows your orders, your specifications and your delivery history — service that trading intermediaries rarely match.
Inspection & Testing Before ShipmentBefore any material leaves the plant it passes through a defined inspection gate. Dimensional checks are performed against the ordered specification, surface quality is inspected visually and with instruments where required, and the relevant mechanical and chemical tests are verified against the mill certificate. For pipe and tube products, hydrostatic and non-destructive testing results are reviewed against the standard’s acceptance criteria. Customers who request it can witness the inspection or receive photographs and video of the loaded goods before the vessel sails — a practical way to build confidence without travelling to China.
How to Order & Request a QuotationTo receive a firm quotation, please send your required specification: grade and standard, dimensions, quantities (in tons or pieces), end use, and the destination port in Poland or the EU. Our export team replies within 24 hours with pricing, availability and a proposed shipping schedule. We work with T/T and L/C payment terms, and for established EU customers longer payment arrangements can be discussed on a project basis.Request a quote: use the contact form, WhatsApp +86-186-2208-8833, or email [email protected].
Frequently Asked Questions
Do you supply corrugated sheets cut to length?Yes. We can cut sheets to your required length (typically 1–12 m) before packing, so your roofing crew can install directly from the bundle without on-site cutting.
What accessories do you offer with roofing sheets?Ridge caps, hip flashings, gable trims, screws and sealing washers can be supplied with the sheets to complete the roof package in a single order.
Which profiles do you produce for the Polish market?We produce corrugated profiles (e.g. 5-wave and 6-wave) and trapezoidal profiles (T35, T40, T55, T75 and similar) in galvanized and colour-coated finishes, in steel thicknesses from 0.35 mm to 0.7 mm.
How are roofing sheets packed for export?Sheets are packed in steel-strapped bundles on pallets with protective corner protection and waterproof wrapping, with loading plans provided so they arrive flat and undamaged.
What documents do you provide with each shipment?Each shipment includes the EN 10204 3.1 mill test certificate, packing list, commercial invoice and bill of lading. Inspection reports and third-party certificates (SGS, TUV, Bureau Veritas) can be arranged before loading if your project requires them.
Can you supply to Polish and European standards?Yes. We regularly export to EN and DIN specifications used across the EU, including EN 10219, EN 39, EN 10210, EN 10305 and DIN 2440, in addition to ASTM and API standards. Tell us the standard your project specifies and we will quote accordingly.
What are your MOQ and lead times?MOQ depends on the product and size — typically from 1 to 10 tons for standard lines. Production and shipping to Polish ports normally takes 15–25 days from order confirmation.
Do you ship to Polish ports and handle customs paperwork?Yes. We ship FOB Tianjin/Xingang, CIF or CFR to Gdansk, Gdynia, Szczecin and other Baltic ports, and we prepare the export documentation (commercial invoice, packing list, bill of lading, certificate of origin, mill certificates) needed for import clearance in Poland.
Can we arrange a pre-shipment inspection?Yes. Third-party inspection by SGS, TUV, Bureau Veritas or your own representative can be arranged before loading, and the inspection report is provided before the vessel departs.
Do you offer samples before a full order?For most products we can provide small samples or cut pieces so your quality department can verify the material. Sample cost is credited against the first order for regular customers.
About Sino East Steel — Sino East Steel is a factory-direct manufacturer and exporter of carbon steel, galvanized steel and structural steel products, operating from a 65,000 m² production base in Tianjin, China. Since 2005 the company has built a steady export record across Europe, the Middle East and the Americas, supplying distributors, contractors and engineering companies that require consistent quality, complete documentation and dependable delivery. For Polish buyers, this means a single certified source for pipes, coils, sheets, bars and structures, with every shipment supported by mill test certificates and traceable batch records.
Sourcing This Product from China to Poland — What to ExpectImporting steel from China to Poland is a standard, well-documented process when the manufacturer manages it end to end. After you confirm the specification, we issue a proforma invoice with price, production time and shipping terms (FOB Tianjin/Xingang, CIF or CFR to Gdansk, Gdynia, Szczecin or Klaipeda), produce and inspect the material, prepare the full export documentation set, and book the vessel. Total lead time from order confirmation to arrival at a Polish port is typically 15–25 days for standard products. Polish importers pay import VAT and customs duties at the EU border using the commercial invoice, packing list and certificate of origin we provide; the EN 10204 3.1 mill certificates satisfy your quality department and any project documentation requirements. For first orders we recommend a trial container with the most popular sizes, so you can verify material, documents and delivery performance before committing to a larger supply program.