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Suggested Tools:
Step ladder / Saw-stools
Tape Measure, Hammer or Mallet
Timber ground pegs / temporary bracing
Cordless or electric drill / drill bit
Note: A second person can be useful to have available when fitting the cladding or lifting or temporarily any heavier or larger parts.
Select a site:
A level site is desirable. Choose a site that offers some protection for the Tunnelhouse from strong winds. Face the door away from
the pre-dominant wind if possible. The Tunnelhouse is already partly pre-assembled. We suggest you take your time and allow
yourself a weekend to erect the frame and fit the covering. Call us on Free Ph. 0508 733 728 with any questions during assembly
For standard sites, place a 600mm ground peg at 1m apart along the length and width of the building. If your ground is sandy or loose
or if you have a windy site, then ground pegs will need to be longer or spaced closer together to ensure that the Tunnelhouse is well
secured to the ground. (See below
Foundation and Base Rail(s)
Usually it is best to complete the foundation of the Tunnelhouse before placing the Tunnelhouse in place. If using ground pegs only
hammer these in before the cladding is fitted.
Effective from 12-Nov-20
PLEASE READ IN FULL BEFORE PROCEEDING
Foundation and base
rail(s))
Knife / Scissors / Secateurs / Hacksaw
Builders level / String line / Line level
Safety Glasses / Gloves / Earmuffs
Marker Pen / Pencil
Redpath Pacific Ltd
PO Box 9058
16 Bounty Place
Palmerston North 4414
Free Ph 0508-733-728
Page | 1
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Summary of Contents for Redpath Domestic Tunnel Series
- Page 1 Redpath Pacific Ltd PO Box 9058 16 Bounty Place Palmerston North 4414 Free Ph 0508-733-728 PLEASE READ IN FULL BEFORE PROCEEDING Suggested Tools: Step ladder / Saw-stools Knife / Scissors / Secateurs / Hacksaw Tape Measure, Hammer or Mallet Builders level / String line / Line level ...
- Page 2 You will need to select suitable screws to fasten the base rails to your base or ground pegs. (The longer tunnelhouses 12m or over are best to have ground pegs concreted in place) Typically, a ground timber peg of 75mm x 50mm x 600mm is sufficient see (Pic GP1) below. Hammer these into the ground at approximately1m spacing.
- Page 3 INTERIOR MEASUREMENTS – if making your own timber base MODEL: Nominal frame size A (actual internal base size width) B (actual internal base size length) C (actual internal diagonal – check) 2.36m x 1.5m 2300mm 1532mm 2764mm 2.36m x 2300mm 3032mm 3806mm 2.36m x 4.5m...
- Page 4 Corner side base rail finishes flush with end rails (Pic BR1) Internal corner brackets (Pic BR2) Stage 2 Stand up the internal hoop(s). For the 15m,18m, 21m & 24m models, slide the 300mm x 25mm x 25mm sleeve into each end of each internal hoop and secure with a single screw.
- Page 5 (Secure these internal hoop screws after the cover installed) (Pic POL1) - Place adhesive felt onto top edge of internal hoops Stage 3 Locate the lengthways purlins. There are three purlins on standard models and five purlins on the longer & high wind kit models as shown below. Use the 25mm saddles &...
- Page 6 (Pic L1) below shows, the pre-cut 200mm length pieces of the lockstrip insert. These are fitted to the front faces of the curved parts at both ends only. Do not use them at any other location. Lockstrip insert is also supplied in full 1.5 lengths (please trim these to length). There is video link on the Redpath web site http://www.redpath.co.nz/commercial-greenhouse-accessories/greenhouse-film-clipping-systems.html IMPORTANT &...
- Page 7 ‘bead’ insert. These are inserted into the Duralock aluminium groove that is located along the outside face of the side base rail and rear wall base rail, On the INSIDE face of the front base rail, The door, and the end framing dwangs etc. How to assemble Duralock: See video link on Redpath web site http://www.redpath.co.nz/commercial-greenhouse-accessories/greenhouse-film-clipping- systems.html 1.
- Page 8 TIP: Read the Duralock 2 clipping system in these instructions and also see this link for an assembly video http://www.redpath.co.nz/commercial-greenhouse-accessories/greenhouse-film-clipping-systems.html Begin at the center & start inserting the U shaped Duralock channel insert + bead whilst tensioning the cover as much as possible.
- Page 9 NOTE: The roof vent may be positioned in any of the Tunnelhouse sections; however, you cannot fit the roof vent in a section directly beside another section that might already have a roof vent. (This is because the ends of the vent require clearance for an overlap. NOTE: When you have decided which section to place the roof vent in, you will need to cut and remove the ridge purlin in that section.
- Page 10 (Pic V3) View of the roof vent rails with covers fitted Cut the cover – between the vent rails (angle into corners) (Pic V4) Shows cover cut away and 100mm piece of Lockstrip (Pic V5) shows omega clip fitted to upstand – which holds the insert + clip to hold the end in place tail of the cover behind the vent rail and acts as a flashing (remove the piece of Polyguard if fitted)
- Page 11 Stage 5. Fitting the louvre window The louvre mechanism has already been fitted as part of the pre-assembly service by Redpath. After the tunnel has had its covers fitted - carefully slide the three polycarbonate sheets into each holder. Then fit 1 x 570mm aluminium strongback across each blade (remove backing tape and adhere to the blade across its centre.
- Page 12 Check annually that foundations are secure, all bracket screws are tight, replace any missing or broken screws, check that door rollers and vent mechanisms are operating smoothly. Call Redpath if you need any spare parts for your Tunnelhouse. General assembly images from archives: Note your model may differ in length and options shown Base pad prepared ready for construction Purlins fitted and end covers fitted.
- Page 13 General view 7.5m model, single front door, 1 x roof vent, high wind kit. General view interior 6m model, high wind kit, interior Effective from 12-Nov-20 Page | 13...
- Page 14 General view – 3m model with high wind kit fitted, internal raised gardens included General view , 6m model, rear wall + louvre Effective from 12-Nov-20 Page | 14...
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