Description
Process-Controlled Coating Weight — every roll of PVC laminated tarpaulin is weighed and inspected against its stated GSM before dispatch, with a pre-shipment inspection record included in the documentation.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | PVC Tarpaulin 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 Size | 2m × 75m / 2.1m × 50m |
| Color Options | Blue, Red, Yellow, Light blue, Grey (Customizable) |
| Waterproof | Yes |
| Anti-UV | Treated (test basis not stated — confirm grade for your market) |
| Anti-Static | Treated (grade not stated — confirm requirement) |
| Anti-Mildew | Yes |
| Cold Crack Resistance | Yes |
| Color Fastness | Best color fastness (test basis not stated) |
| Tearing Strength | Outstanding tearing strength for welding (test basis not stated) |
| Adhesion Strength | Good strength, flexibility and adhesion |
| Service Life | 3-7 years under normal circumstances |
| Custom Options | Cut-to-size sheets, custom colours, brand printing available |
Application Suitability
| Application | Exposure & Requirement |
|---|---|
| Swimming pool safety cover | Continuous water contact, UV load, debris exclusion, evaporation reduction |
| Aquaculture pond and reservoir lining | Permanent water immersion, soil chemistry, puncture risk at substrate |
| Fish tank cover | Enclosed moisture, chlorine or saltwater exposure, frequent handling |
| Tent and awning fabric by the roll | Tension at frame points, wind flap fatigue, rain pooling on horizontal spans |
| Cargo ship and truck awning | Road abrasion, constant flexing, weather exposure during transit |
Why Batch-to-Batch GSM Consistency Matters for Pool Cover Fabricators
Verified roll weight before shipment eliminates the gap between quotation and delivery.
When purchasing PVC Coated Tarpaulin Roll stock for pool cover production, fabricators often receive material lighter than what was specified on the invoice. A 550gsm roll that arrives at 490gsm compromises tensile performance and weld integrity at the seams where the cover is tensioned most. This inconsistency forces re-testing, delays production schedules, and erodes trust with end users who expect covers to last through multiple seasons [NEED_CITE: tensile and tear test methods for coated fabrics per ISO 1421]. Our pre-shipment inspection records every roll’s actual weight, so the documentation you receive matches the material on your cutting table.
Roll Width and Length Options for Efficient Container Loading
Stock roll sizes of 2m × 75m and 2.1m × 50m allow wholesale buyers to plan container loading by roll count and weight. The 2.1m width accommodates standard residential pool dimensions with minimal trimming, reducing offcut waste during fabrication. PVC Coated Tarpaulin Roll shipments are packed with a detailed roll packing list that specifies container utilisation, helping importers forecast landed cost per usable square metre before the vessel departs.
Colour Consistency Across Multi-Roll Orders
When pool cover installers order several rolls in the same colour for a commercial project, visible shade variation between adjacent panels undermines the finished appearance. Every batch of Wholesale PVC Tarpaulin Bulk is checked against a colour reference before dispatch, and rolls allocated to a single order are pulled from the same production run [NEED_CITE: colour fastness testing methods for PVC coated textiles]. This practice ensures that aluminium bar tension systems and hook-system installations present a uniform surface once deployed around the pool perimeter.
Reading the Specification Sheet Beyond the GSM Number
GSM alone does not define how a PVC laminated tarpaulin performs under tension. The high-strength polyester mesh base fabric carries the structural load, while the PVC coating provides waterproofing and UV shielding. A 500gsm grade with a dense base weave may outperform a 600gsm grade with a looser construction in tear resistance, because yarn denier and pick count determine how a puncture propagates through the fabric. The laminated and hot-melt coating technology used here produces strong adhesion between the PVC layers and the mesh, which is critical when the cover is tensioned by ratchet systems or subjected to wind uplift. Thickness ranges from 0.32mm at 350gsm up to 0.65mm at 750gsm, allowing specification matched to structural load and climate severity.
The Hidden Cost of Underspecifying Pool Cover Material
Selecting a lighter GSM grade to reduce material cost often surfaces as premature failure at welded seams, where the cover flexes under tension and water load. Covers that delaminate after one or two seasons generate warranty claims and damage the installer’s reputation with pool owners. Anti-mildew and anti-UV treatments claimed without supporting test reports may not survive continuous outdoor exposure, leading to surface degradation that is visible within months [NEED_CITE: accelerated weathering standards for PVC coated fabrics]. Matching the material grade to the structural demands of the specific pool size and tensioning system avoids these downstream costs.
Why Wholesale Buyers Source Pool Cover Tarpaulin Here
Three full production lines and 36 sets of professional equipment support bulk PVC Coated Tarpaulin Roll capacity with reliable on-time delivery, even during peak season demand. A 10-person R&D team handles custom colour matching, brand printing, and cut-to-size sheet development with samples turned around within days. Dedicated QA/QC at every production stage includes 100% inspection before shipment, with GSM verification per roll documented in the pre-shipment record. Nearly 30 years of focused coated fabric production means deep process control over coating weight, adhesion strength, and colour consistency across production runs.
Documentation & Verification
- Material specification sheet stating GSM, base fabric, coating method, and colour reference
- Weight verification per roll against the stated GSM before dispatch
- Roll packing list with container loading by roll count and weight for logistics planning
- ISO and CE certificates included with every wholesale shipment
- Certificate of origin and customs documentation provided for cross-border orders
- Pre-shipment inspection record with batch colour consistency confirmation
Fabrication, Handling & Storage
- Hot-air welding parameters should be adjusted per GSM grade — 750gsm requires higher temperature and slower travel speed than 350gsm for full seam adhesion
- Store rolls horizontally on padded racks to prevent permanent creasing in the PVC coating, especially in grades below 0.45mm
- Unroll and allow laminated tarpaulin to acclimatise before fabrication in cold conditions, as cold crack resistance does not eliminate stiffness at low temperatures
- Cut pool cover panels using the 2.1m stock width to minimise longitudinal welds on rectangular installations
- Clean fabricated covers with mild detergent — harsh solvents may degrade the anti-mildew surface treatment over repeated applications
- Reinforce hook attachment points with additional PVC patches where the cover meets tension hardware
Request a Quotation for Your Pool Cover Project
Provide the target GSM grade, roll width preference, and annual volume so we can confirm stock availability and production lead time. Specify whether you require roll stock only or finished cut-to-size sheets, along with any colour matching or brand printing requirements for your market. Share the installation system in use — hook or aluminium bar with ratchet — so we can recommend the appropriate material grade and thickness.
Frequently Asked Questions
Q: How is GSM verified on each roll before shipment?
A: Every roll is individually weighed and measured against the stated GSM on the order. The result is recorded on a pre-shipment inspection report that accompanies the dispatch documentation, so you can cross-reference actual weight with your specification before the material enters production.
Q: What roll widths and lengths are stocked, and how does that affect container loading?
A: Stock rolls are available in 2m × 75m and 2.1m × 50m configurations. The packing list details roll count and total weight per container, enabling logistics planning before shipment. Custom widths are available subject to minimum order quantities.
Q: How is colour consistency maintained across multiple rolls in a single bulk order?
A: Rolls allocated to one order are drawn from the same production batch and checked against a colour reference before packing. This eliminates visible shade variation when panels are installed side by side on large pool covers.
Q: What are the MOQ and lead times for custom width or colour?
A: Custom widths and colours require confirmation of the specific grade and volume before quoting. The R&D team develops colour samples within days, and production lead times are confirmed at quotation stage based on current line capacity.
Q: Can you supply cut-to-size sheets, or is roll stock only?
A: Both options are available. Roll stock suits fabricators cutting in-house, while cut-to-size sheets are produced to your pool dimensions with welded seams where needed. Specify the installation system so panels are sized for proper tensioning.
