il 3 Apr 2005 07:06:49 -0700, "Tommy Of Earth" ha scritto:

After assembling a greenhouse frame from PVC and expecting the plastic
covering to be no ploblem using tape to secure it I've found tape wont
stick to the plastic(clear plastic tape, 3M plastic tape & duct tape).

Can someone give me some ideas of what will help secure the plastic
sheet to the frame?

Thank you

You may need special clips to fit around the pvc pipe. I have used
bulldog clips to hold windbreak (or plastic) to round pipes but they
do go rusty. They work OK Someone else used split pipes, eg: C +[ O
, to go over the top of the pipes and plastic, I haven't tried
that. I'd imagine the clip would have to be quite springy, tight
enough to require force to remove, but not sharp enough to cut the
plastic (altho tape applied under make spread the load). At the
moment I'm using No. 8 wire hoops with plastic held on by plastic
clothes pegs. Anything to avoid paying a fortune for specialised
clips...

Nothing sticks to plastic that's in the open elements. If I was flush
with money I'd consider a double row of wire hoops, with the plastic
held between. I mean you could even consider rope tied over the top
if wind is a problem. When it comes to high winds I would even fling
a huge sunscreen cloth I'd been given, over the whole shebang to cut
down the wind. It worked fine too.

Perhaps a look at commercial setups of similar greenhouses will give
you ideas for fasteners.
--
Cheers,
Loki [ Brevity is the soul of wit. W.Shakespeare ]