Large Photograph Framing

[JeffS]

Hi all,
I'm trying to figure out the best way to frame a large photograph; 54" x 70". It is going to be mounted to dibond. I'm concerned the mounted photograph will bow due to the piece's significant size/weight.
The frame is Beech with no glass. With a depth of 2 1/8', width of 1 3/4" and a rabbit of 1 3/4".

I can alter any of the above slightly to ensure the security of the piece - whether it's the wood used, the design, measurements, etc. - Just need a valid reason to do so - the safety and security of the piece and the frame being a big one!

Thanks in advance!

 

[njw1224]

The only issue I see is using a 1.75" frame on a 70" photo. That's rather skimpy for such a big photo. The photo itself should not bow, as dibond is very dimensionally stable. But that skinny fame could bow over time just due to environmental changes. I would definitely want to use a beefier frame on such a big image.

 

[Lafontsee]

That is a big piece, but you should be able to use that frame. I would definitely add a beefy strainer inside the frame, behind the DiBond. You should securely attach the strainer to the frame with pocket screws (Kreg Jig) and attach your hanging hardware to the strainer.

James

 

[DVieau2]

Are you familiar with the function and construction of a strainer frame?

 

[wpfay]

Not only will a strainer provide the structural support needed, but the top rail can be chamfered to provide an integrated cleat for hanging.
To protect the photo from abrasion from the shoulder of the rabbet, I would also line the shoulder with Volara foam tape. This would be most likely to take place during transport, though small vibrations from traffic and other machinery can result in abrasion damage.
Beech is an excellent choice, though not readily available in all markets.