
Multispan is the bind of two and more elevated / side tunnel together. Binding two side tunnels is called a Bi-tunnel, three and above are called multispan. Widths are of 7m, 8m and 9m and it may vary according to special demands and lengths are upon the request of the client.
- Distance between arcs is also upon request. The standard distance is 2.5m between all arcs only first and last arcs are of 2m.
- Pillars are rooted in soil with bases of 55mm thickness of 1.8mm. The pillars are either of 60*60mm or 60mm thickness of 1.8mm.
- Pipes for arcs are of galvanized steel with 60mm diameter, thickness of 1.8mm and 1.5mm.
- Gutters are located above each middle pillar row in multispan to facilitate water drainage.
- Roof and side openings are invented to facilitate the entrance of sunlight & air flow in greenhouse covered with insect net 16*10.
- Cover varies according to the demands between thermal, yellow, milky, black and white plastic, shade net, insect net, TOT, and fiber glass.
- Front & back facades’ entrances are either of standard doors or double door rooms.
- Accessories and fittings are of galvanized steel too with the vary of diameters 55mm, 32mm, and 27mm, thickness of 1.7mm.
- Multispan specializes in decreasing level of humidity inside the green house.


At Hachem’s industry we have :
- Multi-color fences.
- Plastic lakes and covers.
- Heating and cooling system.
- Ground Cover (Italian origin).
- Wires (Retention and galvanized)(Spanish origin).
- Shade nets (50%, 70%, and 90% Italian origin).
- White banana net (30% Italian origin).
- Insect net (width:2m-2.5m-3m-4m Italian origin).
- And all other greenhouses fittings.