Will a Greenhouse Make Much of a Difference?

[Soylent Green]

Hi Redser,
Wow that's a great looking polytunnel you have there. I'm going to use treated wood, deck boards and decking joists to form my green house in the same way as I have my raised beds. I could then use a similar idea as you have and form the upper sides and roof/dome. It would give me ample headroom and straight sides. What sort of tube/pipe did you use to form your loops? Thank you, your photos have given me food for thought

[Gina's plot]

I have 2 greenhouses joined together and have an electric tubular heater under my staging that I use early in the season to heat things up. I found this worked well for me this year.
Good luck with your project.

[Soylent Green]

Thanks Gina,
I appreciate all the ideas people are giving me and hopefully they will be incorporated into the finished greenhouse.

[redser]

Hi Redser,
Wow that's a great looking polytunnel you have there. I'm going to use treated wood, deck boards and decking joists to form my green house in the same way as I have my raised beds. I could then use a similar idea as you have and form the upper sides and roof/dome. It would give me ample headroom and straight sides. What sort of tube/pipe did you use to form your loops? Thank you, your photos have given me food for thought

Actually my pipe was the wrong type. It should be 2 inch diameter so it will sleeve over the scaffold poles which anchor the whole thing. My pipe was too narrow so I had to improvise which made a lot of work. So it's usually gas or water main pipe. You can get it from builders merchants or you scour the net for some secondhand. This guy has the original low down on the DIY tunnel ...

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Its a great design and make a sturdy tunnel, mines as good as new