| Main fabric |
PVC/PE construction, coating mass, polyester scrim and purchased roll area |
Material type, GSM, performance requirement, color |
Comparing two quotes only by GSM |
| Panel yield |
Panel orientation, roll-width fit, trim, join positions and usable offcuts |
Finished dimensions, shape, allowable seams, roll format |
Assuming finished area equals purchased area |
| Seams & overlaps |
Weld or stitch length, overlap width, handling and setup |
Panel design, seam method, water-resistance requirement |
Ignoring conversion because the raw fabric price is low |
| Edges & stress zones |
Hems, pockets, webbing, rope, corner patches and local reinforcement |
Tie-down method, load direction, handling cycle |
Specifying grommets without edge-load reinforcement |
| Hardware |
Grommets, D-rings, straps, buckles, hooks, zipper or hook-and-loop |
Hardware type, spacing, quantity and material |
Comparing “finished tarp” quotes with different accessory counts |
| Printing & marking |
Logo preparation, print process, labels and identification marks |
Artwork, print area, colors and repeat-order control |
Treating custom branding as free standard work |
| QC / testing |
Inspection steps and any project-agreed tests or documentation |
Acceptance criteria and required test method |
Requesting unspecified “certification” after production |
| Packing & logistics |
Folding/rolling, bags/cartons/pallets, loading, freight and trade-term scope |
Packing method, destination and Incoterm |
Comparing FOB material cost with delivered finished cost |