Description
Batch Consistency — Roll-to-roll GSM and colour verified at every production stage with 100% pre-shipment inspection before dispatch.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | PVC Tarpaulin for Swimming Pool Cover |
| Material | PVC + High-strength polyester mesh fabric |
| Coating Technology | Laminated Technology & Hot-melt Coating Technology |
| Weight (GSM) | 350gsm, 420gsm, 500gsm, 550gsm, 600gsm, 750gsm (range covers product family — confirm the grade for this item) |
| Total Thickness | 0.32mm, 0.35mm, 0.4mm, 0.45mm, 0.5mm, 0.65mm (range covers product family — confirm the grade for this item) |
| Roll Size | 2m width × 75m length / 2.1m width × 50m length |
| Finish Product Size | Custom items as per customer’s needs, or sold by inventory |
| Color | Blue, Red, Yellow, Light blue, Grey (Customized) |
| UV Treatment | Anti-UV (test basis not stated in source) |
| Flame Retardant | Available as special treatment (grade not stated in source) |
| Anti-Static | Available as special treatment (surface resistance not stated in source) |
| Key Features | Waterproof, cold crack resistance, anti-mildew, outstanding tearing strength for welding, best color fastness |
| Service Life | 3-7 years under normal circumstances (source value — verify against manufacturer catalog) |
| Standards | ISO, CE |
Application Suitability
| Application | Exposure & Requirement |
|---|---|
| Swimming pool covers | Continuous water contact, UV exposure, chemical resistance to chlorine and pool treatments, tension across span |
| Fish tank and aquaculture pool covers | Permanent water immersion, bio-fouling resistance, waterproof integrity at seams |
| Tent covers | Wind loading, rain penetration, repeated folding and unfolding, UV degradation |
| Cargo ship covers | Saltwater exposure, heavy wind load, abrasion from shifting cargo, UV and mildew resistance |
| Truck awnings | Road vibration, weather cycling, flex fatigue at attachment points, colour fastness under direct sun |
Why Roll-to-Roll Weight Variance Matters for PVC Pool Cover Tarpaulin
Every roll is weighed and verified against the stated GSM before it leaves the production line.
I have seen wholesale buyers receive a container of PVC pool cover tarpaulin only to discover that the coating weight feels noticeably lighter than what the quotation specified. The rolls are installed side by side at a fabrication shop, and the difference becomes visible once the covers are tensioned over a pool frame. Thinner coating means the fabric yields under load sooner, the welded seams fail at lower stress, and the distributor absorbs the return. This is not a material science problem — it is a process control problem [NEED_CITE: tensile and tear test methods for coated fabrics per ISO 1421].
Stock Roll Widths That Match Container Geometry
PVC pool cover tarpaulin rolls ship in two standard widths — 2m × 75m and 2.1m × 50m. These dimensions are chosen to align with standard container floor space, allowing fabricators and importers to plan roll count per container with predictable weight distribution. The choice between the two options depends on whether your cutting line is set up for wider stock or whether you prefer shorter roll lengths for easier warehouse handling.
Colour Matched Across the Entire Order
When a distributor orders multiple rolls in the same colour for regional pool cover fabricators, shade variation between rolls is the most common complaint once the material is unrolled and compared on the cutting table. Colour is controlled at the compounding stage with batch reference samples retained, so repeat orders match the original shade [NEED_CITE: colour fastness testing standards for coated textiles]. This eliminates visible differences when two covers from the same batch are installed on adjacent pools.
How GSM, Coating Method, and Base Fabric Work Together
GSM alone does not tell a buyer how the fabric will perform under tension. A 550gsm roll made with laminated technology on high-tenacity polyester mesh delivers different peel strength and weld behaviour compared to a 550gsm roll made with hot-melt coating on a lower-denier base. Laminated coating bonds the PVC film to the mesh under heat and pressure, producing higher adhesion at the coating-to-yarn interface — this directly affects how well the material holds a heat-welded seam when the pool cover flexes under wind load. Hot-melt coating, on the other hand, pushes the compound into the mesh gaps, filling the weave and improving waterproof integrity at lower GSM grades. The choice between them depends on whether your fabrication process prioritises weld strength or surface smoothness [NEED_CITE: coating adhesion and peel strength test methods for PVC fabrics]. Roll widths of 2m and 2.1m also determine how many panels need to be welded together to cover a large rectangular pool, directly affecting the number of seam lines on the finished cover.
The Cost of Ordering the Wrong Roll Grade for the Application
A pool cover fabricator who selects a 350gsm grade for a large commercial pool expecting the same span performance as a 750gsm grade will see the fabric sag between support rails and the seams open at the stress points within the first season. Conversely, specifying a heavy grade for a small residential pool wastes material cost and adds unnecessary weight to the tensioning system. Batch colour mismatch across rolls in a single order forces fabricators to segregate inventory and ship covers from different batches to different sites, creating logistical overhead that was never in the project budget [NEED_CITE: coated fabric specification matching for project-based procurement]. Getting the grade and roll width right at the inquiry stage prevents these downstream costs.
Why Fabricators and Distributors Source Here
Three full production lines with 36 sets of professional equipment support bulk roll orders with consistent throughput across GSM grades. A 10-person R&D team handles sample development within days when a distributor needs to confirm colour and hand feel before committing to a container load. Dedicated QA at every production stage means the PVC pool cover tarpaulin rolls are inspected for coating weight, colour consistency, and surface defects before they are packed. The facility holds ISO and CE certification, and documentation travels with each shipment. Roll stock inventory covers the standard GSM range, while custom colour and width runs are scheduled against confirmed lead times.
Documentation & Verification
- Material specification sheet stating GSM, base fabric, coating weight, and colour reference for the selected grade
- Pre-shipment inspection record with roll-by-roll weight and thickness verification
- Roll packing list with net weight, gross weight, and roll count for container loading
- Test report for UV and flame-retardant grades where applicable to the order
- Certificate of origin and customs support documentation included per shipment
Fabrication, Handling & Storage
- Heat-weld temperature must match the laminated or hot-melt coating type to avoid seam delamination
- Store rolls upright on pallets to prevent permanent creasing across the PVC coating surface
- Unroll in ambient temperature to avoid cold crack damage on the PVC surface layer
- Use the 2m or 2.1m roll width to plan panel cutting and minimise welded seam count
- Clean with mild detergent only — harsh solvents degrade the PVC coating over time
- Confirm GSM grade before tensioning; lighter grades require shorter support spans
What to Include in Your Inquiry
Provide the pool dimensions you need to cover, the support structure type, and the climate conditions at the installation site. If your market requires a specific flame-retardant or anti-static grade, state the standard or regulation so we can confirm availability. Specify whether you need full roll stock for your own fabrication line or custom cut-to-size finished covers, along with your colour preference and estimated annual volume.
Frequently Asked Questions
Q: What GSM grades and roll widths are available in stock?
A: Roll stock covers 350gsm through 750gsm with corresponding thickness options, supplied in 2m × 75m or 2.1m × 50m rolls. Confirm the specific grade for your pool cover application at inquiry stage, as GSM selection depends on pool span and load requirements. Stock availability varies by colour and season.
Q: Can colour be matched across multiple roll orders placed over time?
A: Yes. Batch reference samples are retained for each colour run, allowing repeat orders to match the original shade. For distributors stocking PVC pool cover tarpaulin across multiple purchasing cycles, this prevents visible shade variation when covers from different shipments are installed at the same site.
Q: What is the container loading capacity by roll count?
A: Loading depends on the roll width selected (2m or 2.1m) and the GSM grade, which determines roll diameter and weight. A roll packing list with exact dimensions and net weight is provided at quotation stage so you can plan container space. Standard 20ft and 40ft container configurations are both supported.
Q: How is batch consistency verified before dispatch?
A: Each roll undergoes coating weight verification against the stated GSM, thickness measurement, and visual surface inspection. A pre-shipment inspection record accompanies the shipment documenting roll-by-roll results. Colour is compared against the retained batch reference sample to confirm match across the entire order.
Q: Are samples available before placing a bulk roll order?
A: Sample development is available within days for colour confirmation and hand feel evaluation. Request a sample of your target GSM grade and colour to verify suitability for your fabrication process before committing to a container quantity. Custom colour samples require a colour reference to match against.
