Quote:
Originally Posted by Valvaren
Do you mean false back in the bottom where the flexwatt is or in the actual back of the enclosure to allow for room temp air flow?
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I was talking about the back. Some 1/4" inch spacers and a piece of 1/4" plywood is how I have done it in the past. it could be vented a number of ways. plastic vents, reliefs around the edges. I wouldn't do a false bottom. I would be concerned of any liquids coming in contact with the flexwatt.
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Here is a picture of a cage LarryS. and I built. If you look closely you can see how we vented the sides of our false back. I know you are not looking at this type of cage, but the same principles still apply.
Another option is to route a relief in the cage bottom so the flexwatt has an air gap. If you were using 1/2" material, you could relieve it 1/4". I have seen this done with expanded pvc, but I don't know how much heat will come through the wood. I would suggest testing it first before you build the entire cage.
This is all great info, but I would have to agree with Terranaut. There are easier choices for heating cages, but if you enjoy the building process and have the tools I would not discourage you. I have built a number of different projects using heat tape and it does work well.
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