I tired the weather strip only, it kept getting stuck to the petg, I replaced it with some silicone rubber strips that I had laying around. I then siliconed them to the base. Tomorrow I will lay a piece of cold petg on the border of silicone strips, let the vac max out then see if I have any leaks.
I have some real fine 44x44 stainless steel mesh, I will open up the holes under the plate and place a piece of that down.
One of the things I noticed today was, that the sides of the [etg are not getting saggy, I tried a hot gun to little avail. I measured the heating unit, hot area is 16x18, that in itself makes a huge difference. The original hot plate for the unit had 39" heat rods in it, any idea where I can find them?
After and during the pull I usually have beween 10-15lbs of pressure or about 3 tons.
I didn't think of the mitering and have already cut the silicone rubber.
Looking forward to your version of a hard days nite Ringo