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I built my first HOn3 layout using homosote. I used a sabersaw to cut it and the dust generated was incredible and got into everything including my lungs. To this day I have respiratory ailments that I attribute to homosote. It didn't cause me cancer or anything--I'm not saying that. It just made me miserable. 

My current layout is all 1 or 2 inch styrofoam laid on 3/8 inch ply (glued with liquid nails). I use 2 inch foam cut to fit to support track underlayment which is thin luan plywood (instead of using 1x2 wood or similar. I glue complex scenery supports using very small amounts of gorilla glue and I weight the thing down overnight (since Gorilla glue expands). 

Once you see a hot wire foam factory go through a piece of foam in 6 seconds--with no dust and no waste and total accuracy--you'll never go back to lumber and a saber saw. Really.

Good luck.

Don

 

OGR Publishing, Inc., 1310 Eastside Centre Ct, Suite 6, Mountain Home, AR 72653
800-980-OGRR (6477)
www.ogaugerr.com

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