Polytunnel - Raised beds build
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- Опубликовано: 9 май 2020
- In the second video about our polytunnel build, we cover the raised beds and flooring. And get the first few plants in!
Polytunnel - www.firsttunnels.co.uk
Decking - www.edecks.co.uk/products/171...)
Kit I used for the build
Impact driver - amzn.to/2xUABCN
Mini circular saw - amzn.to/2xS32kW
Kit I use for filming
Camera and lens - amzn.to/3535hhl
Mic - amzn.to/355aUf1
Tripod - amzn.to/3aA1LMC
www.buymeacoffee.com/greentubers
HI just got my allotment, so I'm a way off a polytunnel, still on the groundwork and clearing, just wanted to comment and thank you for the work you put into this youtube video, and sharing your experiences and tips. well done. I hope you continue, interested in following your endeavours.
Thank you. I'm glad you found it useful
this is great work i think it is good
Thank you very much!
Been there, done that. When I've gone to a greater depth of 10 inches or so, there is much more sideways force from moist soil on those sideboards. They'll bulge and your crossing bits of 1x2 or 1x3 won't help enough. Rigid posts driven snug to the beds will need to be driven 1/2 way to Australia to fight the side bulges. Further but uglier, either wire or strong wood cross-braces will be needed at 4 foot intervals to keep your beds straight. Have fun
Thanks for the tip. Sounds like you've tried a few different things. Ours haven't bulged at all yet, probably because they're not as deep. Hopefully they'll stay that way.
Is the cardboard harmful when growing, has it got chemicals in it which could get into the vegatables?
I'm no expert on this matter, but I don't think there's anything particularly nasty in cardboard. We do take care to only use plain cardboard that hasn't been overly painted, although some lettering is almost unavoidable. We also remove tape, staples, etc. It breaks down and disappears after it has done its job.
@@GreenTubers okay, thanks for this advice
I placed my polytunnel steel frame on to a wooden frame so my raised bed frame had something to pin against
Sounds good. Has it worked well? How is the wooden frame then attached to the ground so the whole lot doesn't blow away?
@@GreenTubers OK I used posts in the corners and centre about 2ft deep in ground and cemented and then screwed to frame and metal polytunnel frame attached to frame with angled clip which is screwed in so its very secure .
I'm assuming your ground sheet is waterproof and not the weed suppressing membrane type.
Actually, it is the latter, it's a permeable membrane. So far, it's keeping the weeds at bay very well. I don't think we'd want anything completely water-tight. Sometimes, when it's _really_ wet outside, puddles form on top of the sheet from the water underneath. We had planned to cover the sheet with something like wood chips, but that hasn't happened yet.
@@GreenTubers I was going to leave the membrane down underneath the raised beds. I'd not seen that cardboard trick before. Will have to look into this "no dig" method. You clearly did your research before hand!
I'm building my polytunnel at the weekend. You video helped a lot, thanks.
You cut a hole in the bag what a waste
I may have been in trouble for that 😁.
I was thinking that!
I doubt if you will grow anything substantial in 6 inch deep ‘raised beds’ 🥸
The cardboard rots down so the six inch limit isn't there for very long. The cardboard is just there long enough to suppress any weeds that would otherwise grow from underneath. That's the idea anyway.