how to build single span greenhouse

how to build single span greenhouse 

how to build single span greenhouse：

build single span greenhouse first location，then by worksite choose → material choose → foundation → main frame → cover film →  matching system

    一 . advanced time prepare ，location place and materials choose 

 1. dimension confirm，in usual agriculture greenhouse span recommend 8 m span，length 60m-80m（add or reduce ok），roof high 3m-3.5m

2. greenhouse frame ，first choose use hot dip galvanized steel frame，cost performance good，good resistance wind ability ，good resistance snow ability，good anti-corrosion ability，in usual use 15-20 years

 3. cover materials   

 in usual use 150 micron PO film，outside layer anti-uv，inside anti-condensation，tensible ability good

matching system：greenhouse locak frame ，wiggle wire，manual type or electric type roller film device main be used for ventilation，if location place in summer too hot can on greenhouse add exhaut fan and water curtains，greenhouse inside can add irrigation system

building steps ：

1. land  in same  level and foundation prepare 

   choose land terrain flat，illumination enough，water discharge good land， in usual single span greenhouse ，pipes insert soil 30cm-50cm.Big span or solf soil land ，can do concrete strip foundation，inside bury bury accessories， improve stable ability

   2.  greenhouse main frame installation

      1）position and layout line

      2） installation 2 sides arch pipes，fixed arch pipes ，all arch pipes by pull rod connection together，improve greenhouse in total stable ability

       3）   door ，roller rilm rold etc ，check in total stable ability

  3. cover materials-film  cover

       film in lock frame  and wiggle wire，2 sides leave roller film ventor，installation rillr film device，check ventialtion  work or not

tunnel greenhouse use main specification and main system：

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