Quote:
Originally Posted by EricH
You need a 3/4" thick x 5" tall piece of plywood as bumper backing (<R07-F>).
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Quoting for emphasis and great justice.
Quote:
Originally Posted by EricH
I'd also be cautious about the plywood in the corners--because you're changing segments, you may run afoul of <R07-C>'s corner/segment joint-filling rules. In the past, it's been much clearer about whether or not hard parts in corners is prohibited (it was in the past, not sure about this year).
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Some years it was allowed, some years it wasn't. It's been quite inconsistent historically.
This year, a fully overlapped 90° corner with 0.750 in plywood would have a dimension of approximately 1.060 in between the outermost extent of the "hard part" of the bumper (the plywood corner) and the corner of the frame perimeter. That violates <R07L>, which stipulates a maximum of 1 in.
What makes this really insidious is that not every corner that overlaps would run afoul of this rule. Other angles or incomplete overlap might still satisfy <R07L>.