Leo wrote:Construction lumber (studs) is not a good choice. That wood is what you get from a tree after all the good trim boards are cut off the tree. Also, the trees are fast growth trees with lots of stresses. They also don't get a really good kiln dry. I would stay away from construction grade lumber as it's just not stable enough for what we want.
MDF is much better as it is a lot more stable and relatively inexpensive.
To go better than MDF you will need the more expensive stuff.
HDPE sheet is more stable but VERY expensive and frankly I have never heard of it being.
An aluminum TEE slot table is a good choice. That is what I have and I use 1/4 thick pressed board strips as a sacrificial barrier.
larrybadgett wrote:Anyone tried PVC Foam Board sheets?
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