drymounting

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greenfields
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drymounting

Post by greenfields » Fri 11 Apr, 2008 12:14 pm

hi i have drymounted some football posters in the past but i am getting complaints about them bending i framed these without glass and sealed them what is the proplem help

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Post by Spit » Fri 11 Apr, 2008 1:08 pm

What did you mount them on?
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prospero
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Post by prospero » Fri 11 Apr, 2008 1:19 pm

Do you mean bowing outwards at the back?

If so they are too tight in the frame. A big piece of board will expand a lot with any increase in humidity.

If you mounted them on 'grey' board that is asking for trouble unfortunately. :?
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Post by Bill Henry » Fri 11 Apr, 2008 2:08 pm

You can often eliminate (or, at least, reduce) this problem by counter-mounting.

As Prospero notes, one of the reasons that it bows toward the print is that the back is exposed to humidity while the poster side is effectively “sealed” with the dry mount tissue and the poster.

If you dry mount something of roughly equal size on the back, like a sheet of Kraft paper or a cheap disposable poster, that will tend to stabilize this tendency to bow.

I takes more time and a bit more of your resources (money), but at least your customer won’t come back screaming at you.
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greenfields
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dry mounting

Post by greenfields » Sat 12 Apr, 2008 6:03 pm

hi ihave drymounted these on to 5mill grey board in a new 260 vacum press thanks for the replies

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Steve Goodall
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Post by Steve Goodall » Thu 08 May, 2008 7:05 pm

The problem is the greyboard - unlined & softcored boards pick up & give off so much moisture that bowing is a virtual certainty. Only use it for "cheap" or "short term" jobs. Check the moisture trap on your 260 or around the edge of the diaphragm - I bet you will find water & where has it come from??? - the greyboard!!! Hot Press White Display Board is linered / densely cored / clay coated to minimise moisture movement & hence bowing. But all press jobs should be cooled on a flat surface under a weight (I use an old sheet of toughened glass - or pop work under my heavy duty cutting mat). Ask Hot Press for a DVD to go with your 260 - or book onto a training school - where board types are openly & fairly discussed www.hotpress.co.uk
It's not a secret - I work for Wessex Pictures & I'm here to help!!! you can email me at [email protected] or call me on 07585 138566

Roboframer

Post by Roboframer » Thu 08 May, 2008 7:12 pm

Pssst - Steve - check this thread out!

Good to see a major supplier here anyway. :D

One word on greyboard - Barf!

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Steve Goodall
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Post by Steve Goodall » Thu 08 May, 2008 8:14 pm

Thanks for that John - I wouldn't dream of coming here in "disguise". With well over twenty years experience in "sticking" things down I just thought a bit of "free expert advice" might be useful & I look forward to "chipping in" on a regular basis.
It's not a secret - I work for Wessex Pictures & I'm here to help!!! you can email me at [email protected] or call me on 07585 138566

Roboframer

Post by Roboframer » Thu 08 May, 2008 8:27 pm

Steve Goodall wrote: I just thought a bit of "free expert advice" might be useful.
It's more than welcome Steve and there's adequate info in your profile anyway. We have common interests!

Someone once told me these vacuum presses suck though :)

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Post by Moglet » Thu 08 May, 2008 8:50 pm

Steve Goodall wrote:With well over twenty years experience in "sticking" things down I just thought a bit of "free expert advice" might be useful & I look forward to "chipping in" on a regular basis.
Not only useful, Steve, but welcome and very much appreciated.

Once again, welcome aboard! :)
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Post by Keith Hewitt » Thu 08 May, 2008 10:08 pm

Hi Steve,
Welcome to the forum!
Its good to have you on board.
5 posts on your first day - you will soon catch Robo at that rate! :)
I have visited framers in 83 countries - no two are the same.

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Post by Roboframer » Thu 08 May, 2008 10:30 pm

Possible - I'm only averaging 3 posts per day - The Mogster is averaging 6.65 though!

Factoid -

A guy on The Grumble, who died over 18 months ago still has an average post rate of 2.8 posts per day since 2001!!!

Roboframer

Post by Roboframer » Thu 08 May, 2008 11:00 pm

I'd be interested on your opinion of Artcare Restore, Steve.

osgood

Post by osgood » Thu 08 May, 2008 11:38 pm

Roboframer wrote:One word on greyboard - Barf!
Double ditto!
I just even bring myself to type that 'g#$&board' word, because I'm in my framing workshop and there is no place for that stuff in a framing workshop IMO!

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MITREMAN
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DryMounting

Post by MITREMAN » Fri 09 May, 2008 7:41 am

Hi Steve,
Looking forward to meeting you soon, I, am sure we have met many moons ago :? .
Also good to have expert advise in your field. 8)
I agree after choosing the right substrate and mounting tissue/film for the job and mounting your artwork, it's always good policy to cool the art work under a weight to minimise bowing.
I also use glass and an old seal weight and I’ am still using an old Ademco 22x26 press with good results, but having used the vacuum press they have there advantages.
I also use my 22x26 to just flatten work with and with out heat and moisture, brilliant after your a laced tapestry and need to remove the bow.

Pre-drying your backing substrate in the press between craft paper or archival blotting paper before mounting or bringing into a warm room the day before use can also reduce moisture content.

With the bowing any thing you laminate on to one side could can cause this,
that’s why it’s so important to listen to the experts like Steve for advice on want to laminate onto.

To get an idea of how laminating can bow substrate to extreme, wet mount/wall paper a cheap poster to a 2mm MDF sheet of a large size leave over night to dry and see the bow in the morning.
Also make sure you use a frame substantial enough to help counter act an potential bowing, I have seen many mounted artworks in shops, with to thin a frame :roll: , you can imagine the result.

RoboFramer, Sorry mate still got to fill in my profile properly, just another job. :wink:

Cheers Mitreman :D
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Post by WelshFramer » Fri 09 May, 2008 7:47 am

Good to see you here, Steve.

Maybe you should have recommended one of your FREE training courses and underlined the fact that, not only are they FREE but there's FREE coffee and lunch as well. :D

Seriously, I went on one of your training courses last year and it was certainly worth every minute.
Mike Cotterell
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Steve Goodall
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Post by Steve Goodall » Fri 09 May, 2008 7:57 am

Hey John - I think I better keep my experiences with Artcare Restore "off the air" so to speak... I know the product well from my time working in the States & from an educational tour I did in Austrailia a couple of years back. Maybe I should drop you a private message...
It's not a secret - I work for Wessex Pictures & I'm here to help!!! you can email me at [email protected] or call me on 07585 138566

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Post by kaptain.kopter » Fri 09 May, 2008 6:28 pm

I'm also a graduate of one of Steve's Hotpress courses and even did it at Framers Equipment. Two great companies that offered friendly and informative support when I started up.

However, Steve you've got to remember that a Hotpress is a good semi professional machine that any muppet can use whereas the Ademco vacuum press is for those that are truly skilled and professional. :wink:

Nice to see you here

Martin
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Steve Goodall
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Post by Steve Goodall » Fri 09 May, 2008 7:17 pm

Hey Martin - Nice to see you too. Love the Kaptain Kopter bit - does everyone know your an ex RAF photographer - or have I just given a military secret away (whoops).

Having sold both machines during my long & somewhat "chequered" career I can say that they both have a special place in my heart.

How is your old Ademco 3444??? Surely your ready to advance to a machine that has been so perfectly designed that even a "muppet" (your words) can get great results.

From my Ivory tower here up in the penines (well we all need a weekend retreat) I can see Glossop (I'll give it your regards).

catch ya soon - Kermit
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Post by Steve Goodall » Fri 09 May, 2008 7:36 pm

Hi Mike - I thought I'd jumped on the wrong site when I saw "WELSH FARMER" - surely the picture should be of a sheep not a sheepdog!"£$%&*?

Thank you for the encouragment & thanks for the praise for the "FREE" schools. I am really enjoying dishing out a bit of advice & the odd opinion - but you know "I have a very big mouth".

Please note I haven't really started with the bad jokes & "Framing Horror Stories" yet - give it a week & the Faux Pas section will be the scariest place on the site...

Did I ever tell you about the time that I visited a guy... maybe later...
It's not a secret - I work for Wessex Pictures & I'm here to help!!! you can email me at [email protected] or call me on 07585 138566

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