Mr Quyen - Santiago. Posted 03/11/2026
Before ordering from a PVC roofing sheet supplier, check seven things: an ASA top layer, a measured thickness of at least 2.5 mm, a weight that matches it, a written warranty, ISO 9001 and test papers, physical samples, and matching accessories. At Santiago a 2.5 mm sheet weighs about 5.2 kg per metre and carries a 10-year written warranty.
Green ASA/PVC sheets stacked with their cut edges showing
Which seven things should you check?
| Check | How to verify it | Santiago's answer |
|---|---|---|
| 1. ASA top layer | The cut edge shows a coloured skin over a lighter core | ASA surface on a four-layer co-extruded sheet |
| 2. Thickness | Caliper at the cut end, several points | 2.5 – 3.0 mm, stated on every line of the quotation |
| 3. Weight | Weigh a one-metre piece | About 5.2 kg per metre at 2.5 mm |
| 4. Warranty | In writing, with what it covers | 10 years on sheets and tiles from 2.5 mm installed as recommended |
| 5. Quality papers | ISO certificate, test reports, a CQ per lot | ISO 9001:2015, Quatest tests, CQ and C/O per lot |
| 6. Samples | Physical samples of each profile and colour | Free; you pay the courier |
| 7. Accessories | Ridge, hip, edge pieces and capped screws in the same colour | A full set in the same order and container |
What does a good quotation show?
Product, profile, colour, thickness, sheet lengths, quantity, unit price, packing, delivery point and payment terms, line by line. If the thickness is missing from the quotation, a thinner sheet can arrive and nobody can prove it was wrong. Santiago confirms every order in writing and changes nothing after confirmation unless both sides agree in writing.
A blue ASA/PVC sheet bent to a curve over a factory canopy
Which warning signs should make you stop?
- The price is per sheet or per metre, but the thickness is not written.
- A sample piece is much lighter than the weight the supplier quotes.
- The warranty is only promised in a chat, not in a document.
- There are no physical samples, only photos or a colour chart on screen.
- Ridge and edge pieces come from a different source in a slightly different colour.
ASA/PVC roof sheets with ridge vents on a factory in Binh Duong
What should an importer ask about shipping?
Ask for the minimum order, lead time, HS code and certificate of origin before comparing prices. At Santiago the minimum is one 40 ft container, about 5,000 m of sheet, with colours and profiles mixed; production and loading take about 5 days; documents use HS code 3925.90.00, with the C/O form that fits your country.
A factory building in Binh Duong roofed with ASA/PVC sheets
How does a supplier load PVC roof tiles into an export container?
Mr Quyen explains in English how Santiago loads orange tile sheets for export. The sheets slide down a ramp from the stack into the container, and workers in Santiago uniforms stack them inside.
Loading PVC roof tiles into an export container (Santiago video on YouTube).
More short videos: what a supplier can show you
Three more English shorts from the Santiago YouTube channel. Each one is about a minute or less.
What stock does the supplier keep for export and OEM orders?
The camera passes red ridge pieces and stacked red tile sheets in the Santiago warehouse, the stock that goes out on export and OEM orders. The short runs 19 seconds.
Red ridge caps and tile sheets in the Santiago warehouse (Santiago video on YouTube).
Can a supplier show a load demonstration on video?
The 26-second short shows a Santiago truck rolling across two blue sheets on the yard, one tile-profile and one corrugated. Treat it as a demonstration: on a roof, purlins still go less than 700 mm apart.
Truck test on Santiago ASA/PVC sheets (Santiago video on YouTube).
What should a supplier be able to show you, from factory to roof?
From the factory floor to the roof in about a minute: brown tile sheets stacked at Santiago, a finished grey roof walked end to end, and installers lifting a sheet into place.
Santiago uPVC tile sheets from the factory to the roof (Santiago video on YouTube).
Santiago – a leading exporter of ASA/PVC roofing from Vietnam
Santiago roofing is produced and loaded into containers at our factory in Vietnam. It has been exported to India since 2023, Thailand since 2024 and the USA since 2025. Every export shipment comes with a commercial invoice, packing list, bill of lading and a certificate of origin (C/O) issued by Vietnam's Ministry of Industry and Trade, which importers use to claim the duty preference of their trade agreement.
| Item | Details |
|---|---|
| HS code | 3925.90.00 (ASA/PVC roofing sheets) |
| Certificate of origin | Form D (ASEAN), Form AI (India), Form AK / VK (Korea), Form AJ / VJ (Japan), Form VC (Chile), CPTPP proof of origin |
| Shipped from | Vietnam, by container |
Certificate of origin Form AI (ASEAN–India) for Santiago ASA/PVC roofing sheets, HS 39259000, certified on 24 September 2026. Buyer details are hidden.
The Santiago team beside a loaded export container at the factory, November 2024
Loading Santiago roof tiles into an export container
Frequently asked questions
How do I choose a PVC roofing sheet supplier?
Check the ASA top layer, the measured thickness (2.5 mm or more), the weight, a written warranty, ISO 9001 and test papers, physical samples and matching accessories.
How can I tell if a PVC roof sheet is thick enough?
Measure the cut end with a caliper and weigh a one-metre piece. A Santiago 2.5 mm sheet weighs about 5.2 kg per metre.
Does Santiago give a written warranty?
Yes. Sheets and roof tiles 2.5 mm thick or more carry a 10-year warranty when installed as Santiago recommends, including 4 – 5 screw sets per m².
Is Santiago a manufacturer or a trader?
Santiago manufactures its ASA/PVC roofing sheets and roof tiles at its own factories in Vietnam and exports them by container.
Read more
- ASA/PVC roofing order checklist for buyers
- How PVC roofing sheets are made
- Santiago export markets and certificates of origin
- Sales and warranty policy
Sources for the figures in this article
- Profiles, 2.5–3.0 mm thickness and 10-year warranty: Santiago ASA/PVC product specification.
- HS code 3925.90.00: Harmonized System Chapter 39 (builders' ware of plastics), as applied in Vietnam's export tariff.
- Certificates of origin (Form D, AI, AK/VK, AJ/VJ, VC, CPTPP): issued by Vietnam's Ministry of Industry and Trade under the country's free trade agreements.
- Minimum order of one 40 ft container (about 5,000 m) and about 5 days for production and loading: Santiago export desk, October 2026.
Updated 03/11/2026. Santiago Import Export Co., Ltd, Vietnam. WhatsApp +84 935 391 495 (Mr. Quyen), hotline +84 965 437 316 (Mrs. Ly), email salessantiagoroofing@gmail.com.
