Warm weather makes the plastic more pliable and therefore easier to stretch tightly over the frame.
Diy polytunnel guttering.
Both of these materials can often be sourced free of charge from building sites or can be purchased new inexpensively.
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The gutter is installed at the top of the straight side of the polytunnel hoop where the curve starts.
Rather than use plastic adhesive stick on guttering which can prove expensive and unreliable here s an innovative and sure way of collecting precious rainwater from a polytunnel providing off mains supply for remote areas or allotments.
The bigger the tunnel the deeper the poles should go.
The roof of the polytunnel.
This is replicated using offcuts of scaffolding tubes and mains water pipe.
The logical place to harvest rainwater is from a convenient clean surface area high up.
It can be fitted to a timber side rail on your new or existing polytunnel.
These should be cut to about six feet in length and driven into the ground to a depth of about three feet depending on your desired polytunnel size.
Use the ones that go on top of a row of tiles in the bathroom.
A standard polytunnel has a framework constructed from hoops of aluminimum or other metal tubing.
Plastic tile trims work really well as flexible gutters that can be taped to the outside of the tunnel.
All you need are some basic diy skills and some willing helpers four people is ideal.
Once they re securely in the ground check to be sure the tubes are level with a spirit level.
Or if you don t have a timber side rail and your polythene is trenched or fixed to a base rail we supply an extruded aluminium backing profile.