Description
Bulk Coated Roll Consistency — every roll in a shipment verified for GSM, coating weight, and colour match before container loading, backed by dedicated QA checkpoints at each production stage.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | PVC Tarpaulin for Swimming Pool Cover |
| Material | PVC + High-strength polyester mesh fabric |
| Coating Method | Laminated technology & Hot-melt Coating technology |
| Weight (GSM) | 350gsm / 420gsm / 500gsm / 550gsm / 600gsm / 750gsm |
| Total Thickness | 0.32mm / 0.35mm / 0.4mm / 0.45mm / 0.5mm / 0.65mm |
| Roll Width | 2m / 2.1m |
| Roll Length | 75m / 50m |
| Color | Blue / Red / Yellow / Light blue / Grey (custom colors available) |
| UV Treatment | Anti-UV (test basis not stated in source) |
| Flame Retardant | Flame Retardant (grade not stated in source) |
| Anti-Static | Anti-Static treatment (surface resistance not confirmed) |
| Anti-Mildew | Yes |
| Cold Crack Resistance | Yes |
| Waterproof | Yes |
| Key Features | High tenacity polyester yarns, outstanding tearing strength for welding, best color fastness |
Application Suitability
| Application | Exposure & Requirement |
|---|---|
| Swimming pool covers | Constant water contact, UV exposure, chemical splash from pool treatment, wind uplift at edges |
| Fish tank and reservoir liners | Permanent immersion, hydrostatic pressure, puncture risk from substrate |
| Tent and awning fabric | Outdoor weather cycling, UV degradation, tension at frame contact points |
| Cargo ship and truck awnings | Road salt, abrasion at tie-down points, flexing during transit |
Why Roll-to-Roll GSM Variance Matters More Than the Quoted Number
A quoted GSM is only as reliable as the verification behind it.
When purchasing PVC coated tarpaulin roll wholesale, buyers often compare suppliers on the stated weight alone. The problem surfaces at the warehouse: one roll measures lighter than the next, and the lighter roll tears earlier at the weld line or thins out under pool water load. Without per-roll inspection, a 550gsm order can arrive with rolls closer to 500gsm, and the pool cover fabricator absorbs the warranty cost [NEED_CITE: tensile and tear test methods for coated fabrics per ISO 1421].
Volume Ordering Without the Colour Surprise
Tarpaulin distributors and pool cover manufacturers who buy multiple rolls per order need every roll to match visually. A blue pool cover assembled from rolls with visible shade differences looks unprofessional once installed. Our batch-level colour control ensures that every roll within a single PVC coated tarpaulin roll wholesale shipment carries the same colour reference, measured against the approved swatch before packing.
Container Loading Efficiency by Roll Format
Roll width and length directly affect how many linear metres fit in a container. The 2m × 75m format and the 2.1m × 50m format offer different trade-offs in roll count, total weight, and handling ease at destination. Pool cover fabricators cutting rectangular covers often prefer wider rolls to reduce the number of heat-welded seams across the cover surface [NEED_CITE: welding parameters for PVC laminated fabrics].
Reading GSM and Thickness Together
GSM alone does not predict how a PVC coated tarpaulin performs under load. A 500gsm fabric with a tight denier base weave can outperform a 600gsm fabric with a looser construction in tear resistance. The hot-melt lamination process used here bonds the PVC coating into the polyester mesh, improving adhesion strength and reducing delamination risk at heat-welded seams. Thicker grades — 0.5mm and 0.65mm — add puncture resistance for pond and reservoir liner applications, while lighter grades from 0.32mm remain suitable for temporary pool covers and awning fabric. Choosing between 350gsm and 750gsm depends on the mechanical stress the finished product will face, not just the weight figure.
What Happens When Colour or Coating Drifts Between Rolls
A pool cover fabricator welding two rolls together expects the seam to be as strong as the parent material. If the coating weight varies between rolls, the heat-weld temperature that works on one roll may under-bond or burn through the next. Batch inconsistency forces fabricators to recalibrate welding equipment mid-production, wasting material and time [NEED_CITE: PVC tarpaulin weld strength and coating consistency].
Why Procure Roll Stock Through This Supply Chain
Dedicated QA/QC runs at every production stage, with 100% inspection before dispatch, so GSM and colour are confirmed per roll rather than sampled from a single roll per batch. Three full production lines and 36 sets of professional equipment support bulk PVC coated tarpaulin roll wholesale orders without extended lead times. The 10-person R&D team handles custom width, colour matching, and sample development within days for buyers who need to approve material before committing to a container load. ISO and CE certified processes provide a documented quality baseline. Samples are developed and shipped quickly so fabricators can run their own weld and tensile tests before placing the full order.
Documentation & Verification
- Material specification sheet stating GSM, base fabric denier, coating method, and colour reference per batch
- Weight verification per roll against the stated GSM before dispatch
- Pre-shipment inspection record covering coating adhesion and colour consistency
- Roll packing list with roll count, net weight, and dimensions for container planning
- Certificate of origin and full customs documentation with each shipment
Fabrication, Handling & Storage
- Hot-melt laminated coating supports reliable heat welding at seams across all listed GSM grades
- Cut rolls flat and allow acclimatisation before welding to avoid cold-crack stress at edges
- Store rolls upright on pallets to prevent surface creasing on the PVC coated face
- Clean finished pool covers with mild detergent; avoid solvents that degrade the PVC surface
- Plan cutting layout on 2m or 2.1m widths to minimise off-cuts and weld seams per cover
- Reinforce high-stress tie-down points with additional PVC patches welded over the base fabric
What We Need to Quote Your Roll Order
Share the target GSM, roll width, and total linear metres required so we can confirm stock availability or production lead time. Let us know the destination market to ensure any flame retardant or anti-static treatment meets local compliance requirements. If you need custom colour matching, provide a Pantone or physical swatch reference for sample development before bulk production.
Frequently Asked Questions
Q: How is GSM verified on each roll before shipment?
A: Every roll is weighed and measured against the quoted GSM during final inspection. A pre-shipment inspection record documents the actual weight per roll, and this record travels with the shipping documentation so you can cross-check on arrival.
Q: Can colour be matched across multiple rolls in one order?
A: Yes. Rolls within a single production batch are controlled against an approved colour reference. We confirm colour consistency per roll during the pre-shipment inspection, reducing the risk of visible shade differences when fabricators weld rolls side by side.
Q: What welding method works best for this PVC laminated fabric?
A: Hot-air welding and high-frequency welding both perform well on hot-melt laminated PVC tarpaulin. We recommend running test welds on a sample piece to dial in temperature and speed settings before committing to full production.
Q: Do you supply finished pool covers or only roll stock?
A: The primary offering is roll stock for fabricators who cut and weld covers to their own dimensions. Custom-cut finished pieces are also available on request — share your finished size and edge treatment requirements during the inquiry stage.
Q: What special treatments are available for pool cover applications?
A: Flame retardant, anti-static, anti-mildew, and cold-crack resistant treatments are available. Specific grades depend on the target market’s compliance requirements, so confirm the standard you need — we then supply supporting test documentation with the shipment.
