support for large frames

bratton

Grumbler
Joined
Jun 3, 2005
Posts
19
Location
Dallas, Texas
What do you do with large (4'x7') frames for extra support and to prevent them from warping when adding plex and heavy artwork to the package?
 
Hopefully have a blockbuster of a frame to start with that won't warp no matter what you bung in it.

But regardless, corner braces and a sturdy backing board, possibly with crossmembers
 
A "strainer frame" that goes in the back is a fairly traditional way to strengthen a proportionally large frame. We make strainer bar material as large as 3/4 x 2-1/2 (on a custom, per order, basis) for several customers that regularly work with very large frames. For frames of the dimension you mention (and much larger) in addition to the perimeter frame, a grid-work is also added to provide necessary support. Some people use welded aluminum, but that takes equipment most shops don't have.
 
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