This is the sail we supply at 180GSM, and the weight is the first thing a buyer checks because it is what decides how the cover sits and how long it lasts. At 180GSM the HDPE is a heavy cloth rather than a garden grade sheet, so it hangs taut on a frame, holds its line across a span and stays put in wind instead of flapping itself apart. Size is made to order, so a sail can be cut to the greenhouse bay or the patio it is going over rather than squeezed into a stock size, and the edges are turned, stitched and fitted with steel grommets for rigging on posts or a frame.
The weight of a sail is the first number a buyer checks, and 180GSM is the point of this one. It is a heavy HDPE cloth rather than a garden grade sheet, cut to size and hemmed as a sail, so a greenhouse bay or a patio span can be covered with a cover that holds its line instead of sagging in the middle of the span.
Weight is what separates a sail that lasts from one that flogs itself apart in a season. A 180GSM HDPE cloth hangs taut on a frame, holds a straight edge across the span, and stands up to wind load without the weave stretching out of shape. It also takes the glare down hard, which is why the same cloth covers a greenhouse bay and an outdoor seating area: the light comes off the crop or the people underneath without the cover having to be doubled up. Because the mesh is HDPE with UV resistance in the yarn, the sail keeps its figure across a season of sun.
The sail is cut to the shape you need and rigged on posts or a frame, so it covers a greenhouse bay, a propagation area, a loading area or a seating span outside. One size is worked out per span rather than with a stock sheet, which is what makes the same product suit both jobs. Growers setting beds under the same cover often pair it with a planting bag, and the wider shade net range covers the roll goods where a cover is run out and weighted rather than rigged.
| Material | HDPE mesh with UV resistance, not coated |
| Weight | 180GSM |
| Shade Rate | Made to order |
| Size | Custom, cut to the span you give us |
| Colour | Made to order |
| Edges | Turned and stitched, steel grommets |
| Application | Greenhouse bays and outdoor shade spans |
| Packing | Export package, customised on request |
The edge decides whether a sail lasts, so the hem is turned and stitched on all sides and the grommets are steel rather than punched through the mesh. That lets the cover be strained tight on its corners and taken down and put back up season after season without the weave pulling open at the fixings. Send the span, the shape and the corner points you are rigging to, and the sail is cut to suit. A knitted monofilament net covers the same idea where a finer weave is wanted, while this sail covers the heavy custom size job.
Size, shape, shade rate and colour are all made to order, so the first detail to confirm is the span you are covering and the points you are rigging to. Sails ship in export packing and are folded to suit the size. Buyers tracking how shade sails perform across a season can follow trade coverage such as HortiDaily and FreshPlaza for what is being installed on commercial sites.
What does 180GSM mean in practice?
It is the weight of the cloth per square metre, and 180GSM is a heavy HDPE rather than a garden grade sheet. It hangs taut, holds its edge across a span and stands up to wind better than a light sail.
Can you cut a sail to my size and shape?
Yes. The sail is made to order, so give us the span, the shape and the corner points you are rigging to and it is cut to suit.
Will the same sail suit a greenhouse bay and an outdoor area?
Yes. It is the same heavy cloth in both cases, which is why one product covers a greenhouse bay and a seating span outside. Tell us which you are covering and we will confirm the size.
Tell us the span, the shape and the shade rate you are working to, and we will confirm the size and the packing that suit your order.
Mark Wu, Co-founder & Technical Director, Sichuan Zhifang Net Industry. 15 years manufacturing agricultural nettings for growers in 32 countries.
