Quote Originally Posted by JAZZCNC View Post
It's not more accurate it's actually much less accurate if scraping/shimming is done correctly but it is much easier and less time consuming for for those not equiped or experienced.

Regards not using a bridge can I ask how you know there is no difference in height between one side and the other.? Ie both rails on same plane.?
epoxy method is nice because it makes sure your rails are on the same plane. How do you achieve this with a straight edge and shimming?