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Summary of Contents for Robinson Polytunnels 8ft Wide Polytunnel

  • Page 2: Table Of Contents

    11. FITTING THE POLYTHENE – TRENCHING METHOD 12. FITTING THE POLYTHENE – POLYTHENE TO BASE RAIL 13. FITTING THE POLYTHENE – POLYTHENE TO SIDE RAIL 14. DOOR ASSEMBLY & INSTALLATION PARTS LIST POLYTUNNEL MAINTENANCE Copyright © Robinson Polytunnels 2014 - 2018...
  • Page 3: Foundation Tubes: Option A - Hammered-In Foundation Tubes

    Use a piece of wood on top of the Foundation Tube to ensure that the tube does not become “mushroomed”. 4 Hammer in the remaining Foundation Tubes at 5ft centres until the full length is reached. Copyright © Robinson Polytunnels 2014 - 2018...
  • Page 4: Foundation Tubes: Option B - Ground Anchor Plates

    The Foundation Tubes should be protruding above ground by approximately 40cm. Backfill the excavated holes, checking that the Foundation Tubes are still in the correct position. Stamp on the soil to ensure the soil is well-compacted. Copyright © Robinson Polytunnels 2014 - 2018...
  • Page 5: Foundation Tubes: Option C - Concreted Foundation Tubes

    Make sure the Foundation Tubes are vertical, touching the string line and spaced at 5ft centres. The Foundation Tubes should be protruding above ground by approximately 40cm. Tip! Allow the concrete to set before you try to install the framework! Copyright © Robinson Polytunnels 2014 - 2018...
  • Page 6: Steel Frame Assembly & Installation

    On the corner foundation tubes, set the A20 fitting to about 18cm above ground level. On the inner foundation tubes, set the A20 fittings about 5cm lower. Slot the assembled hoops onto the Foundation Tubes. Copyright © Robinson Polytunnels 2014 - 2018...
  • Page 7 Put the bolts through from the outside so that the thread of the bolt doesn’t protrude into the polythene. Set the end hoops so that they are vertical (looking from the side) by adjusting the position of the KH25 fittings. Copyright © Robinson Polytunnels 2014 - 2018...
  • Page 8: Timber End Frame Assembly & Installation

    10 If you are trenching the polythene, create a rebate around the Timber End Frame for fixing the polythene. Use battens 38mm x 19mm and 50mm View from long nails at about 15cm apart. outside Copyright © Robinson Polytunnels 2014 - 2018...
  • Page 9: Timber Base Rail (Option)

    Foundation Tube and mark through the two holes. Drill to accept an M8 bolt and fix in place with two M8 x 65 coach bolts and nuts. Continue until you reach the end of the polytunnel and trim the last timber to length. Copyright © Robinson Polytunnels 2014 - 2018...
  • Page 10 12 If you are fixing the main cover to the base rail, create a rebate around the Timber End Frame and along the base rail for fixing the polythene. Use battens 38mm x 19mm and 50mm long nails at about 15cm apart. Copyright © Robinson Polytunnels 2014 - 2018...
  • Page 11: Timber Side Rail (Option)

    Drill to accept an M8 bolt and fix in place with two M8 x 50 coach bolts and nuts. Continue until you reach the end of the polytunnel and trim the last timber to length. Copyright © Robinson Polytunnels 2014 - 2018...
  • Page 12 30mm long twist nails. Tip! Pre-nail the timber joint plates onto the vertical timber before you put it in place. Everything is much more rigid whilst you are nailing. Copyright © Robinson Polytunnels 2014 - 2018...
  • Page 13: Roll Up Curtain (Option)

    Staple the top edge of the polythene to the side rail, flush with the top edge. At each end of the drive tube, trim of the surplus polythene. Copyright © Robinson Polytunnels 2014 - 2018...
  • Page 14 11 Check that the curtain rolls up parallel to the base rail and side rail and adjust the PVC clips if necessary. 12 Cut a notch out of the base rail where the gearbox touches to allow the drive tube to rest directly on top of the base rail. Copyright © Robinson Polytunnels 2014 - 2018...
  • Page 15: End Panels & Side Netting (Included With Timber Side Rail Option)

    Staple the net to the side rail, flush with the top edge. Staple the net to the two vertical corner rails and to the base rail. Batten over the net and end panels in the positions shown. Copyright © Robinson Polytunnels 2014 - 2018...
  • Page 16: Fitting The Anti Hot Spot Tape

    – it may get damaged if the weather is wet and windy. Tape over any sharp edges, bolt heads and metal faces that the polythene may come into contact with. Copyright © Robinson Polytunnels 2014 - 2018...
  • Page 17: Fitting The Polythene - Trenching Method

    Nail the batten in place. Note, it is preferable to have a couple of small pleats in the flap of polythene. Repeat at the other end, PULLING THE POLYTHENE AS TIGHT AS POSSIBLE. Copyright © Robinson Polytunnels 2014 - 2018...
  • Page 18 Trim off the surplus polythene in the doorway. Tip! To avoid the back-filled trench becoming water-logged, prick the polythene at the bottom of the trench with a garden fork. 10 Raise the inner hoops to tension the polythene. Copyright © Robinson Polytunnels 2014 - 2018...
  • Page 19: Fitting The Polythene - Polythene To Base Rail

    Do the same at the opposite side of the polytunnel but try to tension the polythene by levering the edge of the batten against the rebate. Continue towards each end of the polytunnel, alternating between each side. Copyright © Robinson Polytunnels 2014 - 2018...
  • Page 20 Tip! Pre-nail the battens so they’re ready to fix the polythene quickly. 12 Trim off the surplus polythene in the doorway. 13 Raise the inner hoops to tension the polythene. Copyright © Robinson Polytunnels 2014 - 2018...
  • Page 21: Fitting The Polythene - Polythene To Side Rail

    8 Do the same at the opposite side of the polytunnel but try to tension the polythene by levering the edge of the batten against the rebate. 9 Continue towards each end of the polytunnel, alternating between each side. Copyright © Robinson Polytunnels 2014 - 2018...
  • Page 22 Tip! Pre-nail the battens so they’re ready to fix the polythene quickly. 12 Trim off the surplus polythene in the doorway. 13 Raise the inner hoops to tension the polythene. Copyright © Robinson Polytunnels 2014 - 2018...
  • Page 23: Door Assembly & Installation

    Hold the polythene and net in place with staples using a staple gun or stapler. Try to get the polythene and net tight when stapling to the door frame. Tip! Pre-nail the battens before you clad the door to get the job done quicker! Copyright © Robinson Polytunnels 2014 - 2018...
  • Page 24 This operates the latch from the inside of the Polytunnel. If you are unsure about any part of the assembly procedure you can contact our office between 8:30am and 5:00pm, Monday to Friday on 01282 501252 Copyright © Robinson Polytunnels 2014 - 2018...
  • Page 25: Parts List

    8ft Wide Polytunnel Assembly Instructions PARTS LIST Copyright © Robinson Polytunnels 2014 - 2018...
  • Page 26 8ft Wide Polytunnel Assembly Instructions PARTS LIST (continued) Copyright © Robinson Polytunnels 2014 - 2018...
  • Page 27 8ft Wide Polytunnel Assembly Instructions PARTS LIST (continued) Copyright © Robinson Polytunnels 2014 - 2018...
  • Page 28: Polytunnel Maintenance

    Cleaning should only be necessary once every year unless the polytunnel is sited below overhanging tree branches. 6. Any minor damage should be rectified as soon as it is apparent to avoid possible catastrophic failure of the polytunnel framework. Copyright © Robinson Polytunnels 2014 - 2018...

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