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Large Photograph Framing

Hoffmann Dovetail Joining System

JeffS

Grumbler in Training
Joined
Oct 19, 2017
Messages
1
Location
Los Angeles
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

CGF, Certified Grumble Framer
Joined
Feb 15, 2017
Messages
137
Location
United States of America
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

CGF II, Certified Grumble Framer Level 2
Joined
Sep 2, 2009
Messages
424
Location
Grand Rapids, MI
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
 

wpfay

Comfort Badger
Forum Support Team
Forum Donor
Joined
Sep 1, 2000
Messages
12,527
Location
Jacksonville Beach, FL USA
Business
Sunshine Frames
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.
 
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