Edit post

Edit your reply below.

Post Body
Enter your post below.
I'm using 16" center to center for my joists on a 17' long center of the room peninsula. I'm using foam for this one but also went with 16" centers when I was using 1/2" plywood and homasoate roadbed. No problems with sagging but I never had to walk on it either.
Tags (Optional)
Tags are keywords that get attached to your post. They are used to categorize your submission and make it easier to search for. To add tags to your post type a tag into the box below and click the "Add Tag" button.
Add Tag

Update Reply

Login, or register today to interact in our online community, comment on articles, receive our newsletter, manage your account online and more!

Model Railroader Newsletter See all

Sign up for our FREE e-newsletter and get model railroad news in your inbox!