Plastic wedges and mirror frame

Mark Rogers

CGF, Certified Grumble Framer
Dec 22, 2003
Dallas, TX
I have a customer who needs large 40x60 inch frames shipped to them. It would be much less expensive to ship them unassembled. I know some companies ship wood frames unassembled with plastic wedges that the end customer uses to assemble the frames after shipment. I am not familiar with this method and have two concerns. Can you get decent looking corners with this type of technique? Is it strong? In the case of the 40x60 frame they will be placing a mirror in the frame. Thanks
The quality of the corners depends, in part, on the skill of the person doing the assembly.

I've had a couple of wedged frames come back with broken plastic wedges. It ain't pretty.
For a frame that size, assemble properly with corner braces and appropriate hdwr, rent a truck and deliver them.
Here's another vote against plastic wedges for a heavy frame.

The plastic fatigues under stress, and wedge failure is usually catastrophic failure. That is, the glue joint often fails too, and then the frame literally falls apart.
Sounds like a disaster waiting to happen. I hate Thumbpins and on something that large, I would not even consider them an option. I would recommend selling them pre-framed mirrors 40 x 60 and have your dealer drop ship the order to the customer.
Thanks for the replies. I have no experience with the wedges, but I suspected they would be significant drop in quality. I glued, viced, v-nailed and then freight shipped them.