DIY heated propagator

Hi all, over the next couple of weekends I'm building a heated propagator from various bits of wood etc which I have left over from other projects around the house and garden and will post photos as I go. Feel free to ask any questions if this sort of thing interests you.
Today I made the base from left-over decking boards and some outdoor-grade plywood I happened to have:

Screwed together using stainless steel screws and painted with clear wood preserver before being put into the greenhouse overnight to dry.
A trowel in the hand is worth a thousand lost under a bush.
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I wish I had some of those skills Bob. Anything I build is never quite parallel and the screws always protrude on one side because they went in crooked.
I shall follow your project with envy
In the sticks near Peterborough
I,m interested to know how you will heat it.Or is that a silly sod presumption that you have already got it sorted.Personally I have a good generator in me shed.Hope it works well for you Bob the Gardener.Regards Brian.
Brian this is what you would heat a propagator with
http://www.ebay.co.uk/itm/370795138327?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649
I have bought one and shall be building my next weekend
Clueless
link not working today bugger
http://www.ebay.co.uk/itm/370795138327?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649
Clueless
Brumbull I would think your sealer has dried by now any chance of a up date
Clueless
Clueless do you mean BobTheGardener who started this thread?
Hi Alan, I have already bought the soil warming cable and thermostat but progress will have to wait until the weekend as it's dark when I get home from work.
yes sorry it was bob I was trying to poke
Clueless
OK what is the difference between and hot bed and a heated propagator
I will be making mine this weekend with the heater cables and thermostat I bought early January
Clueless