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» You are not logged in. Login The Letterville BullBoard » Letterhead/Pinstriper Talk » HDU Problems Help Please!!

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Author Topic: HDU Problems Help Please!!
Jason Davie
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Member # 2172

Icon 5 posted August 12, 2007 01:44 PM      Profile for Jason Davie   Email Jason Davie       Edit/Delete Post   Reply With Quote 
So I just got done carving a 2ft x 4ft double sided 2" thick HDU sign.. the carving is only 1/2 to 5/8 deep
I primed both sides then painted both sides equal coats each side.. I set it outside flat on a table this afternoon to work on it some more.. to paint the carved letters..
I came inside to eat lunch and I go back outside about an hour later.. Its only 82 in the sun and the HDU has a 3" bow to it the 4ft way and about 1 1/2 bow the 2ft way.. what do I do now???? [I Don t Know] [Bash] [I Don t Know] [Bash]

Jason D

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Jason Davie
193 Front Street
Deposit, NY 13754

Posts: 976 | From: USA | Registered: Jul 2001  |  IP: Logged | Report this post to a Moderator
Glenn Taylor
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Member # 162

Icon 1 posted August 12, 2007 01:58 PM      Profile for Glenn Taylor   Author's Homepage   Email Glenn Taylor   Send New Private Message       Edit/Delete Post   Reply With Quote 
Don't worry. Its happened to me before.

just take it inside and place it on a flat surface face down. Place enough weights on the panel so that it will flatten out. Let sit overnight. That should take care of the problem.

In the future, I'd recommend not letting the panels dry in direct sunlight. Just because the air temp is only 82f doesn't mean that the surface temp isn't much higher. I'd be surprised if your panel didn't reach 120f or higher while in direct sunlight.

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BlueDog Graphics
Wilson, NC

www.BlueDogUSA.com

Warning: A well designed sign may cause fatigue due to increased business.

Posts: 10691 | From: Wilson, NC, USA | Registered: Nov 1998  |  IP: Logged | Report this post to a Moderator
Ernie Balch
Resident


Member # 3545

Icon 1 posted August 12, 2007 06:29 PM      Profile for Ernie Balch   Author's Homepage   Email Ernie Balch   Send New Private Message       Edit/Delete Post   Reply With Quote 
Jason,

Glenn's approach is a good one, but if you have residual curvature, you can try to sun bake the backside and see if the sign straightens out.

The paint shrinks when it cures up. The sunny side got more heat and cured faster. Shrinkage of a thin film can create an amazing amount of stress.

ernie

Posts: 405 | From: Malta, NY | Registered: Jan 2003  |  IP: Logged | Report this post to a Moderator
Jason Davie
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Member # 2172

Icon 1 posted August 12, 2007 09:06 PM      Profile for Jason Davie   Email Jason Davie       Edit/Delete Post   Reply With Quote 
Thanks Guys!!

I have tryed glenns approch and its back to within 1/2 an inch of bow.. I will leave weight on it for a day or so more..

Thanks again!!

Jason D

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Jason Davie
193 Front Street
Deposit, NY 13754

Posts: 976 | From: USA | Registered: Jul 2001  |  IP: Logged | Report this post to a Moderator
Steve Purcell
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Member # 1140

Icon 1 posted August 14, 2007 09:38 AM      Profile for Steve Purcell   Author's Homepage   Email Steve Purcell       Edit/Delete Post   Reply With Quote 
[Eek!] Wow, I've never seen that much distortion on such a short piece of 2" thick material.
What brand/density? What kind of paint?

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Steve Purcell
Purcell Woodcarving & Signmaking
Cape Cod, MA

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Intelligent Design Is No Accident

Posts: 900 | From: Cape Cod, MA | Registered: Oct 1999  |  IP: Logged | Report this post to a Moderator
   

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