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Thread: Painting MDF Trouble
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7th March 2020, 05:06 PM #1Member
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Painting MDF Trouble
Hi Everyone,
Having a small issue in “our creative zone”
I’m trying to spray paint some MDF letters that I brought from the big green shed.
I used some primer first , then hit it with some top coat (pink) Acrylic spray paint ( White Night )
As you see by the pic, the pink paint has taken to the top face of the pink letters , but not actually taken on the side of the letters.
It looks like the paint has just been sucked into the MDF when I was spraying them .
Cheers Sally
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7th March 2020 05:06 PM # ADSGoogle Adsense Advertisement
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7th March 2020, 05:16 PM #2
Correct. One needs to seal the sides of MDF before painting.
Panic not, all can be solved.
Let me find a thread where I discussed exactly this.
Edit--->
Here: Help wanted High Gloss finish on MDF?
Here: Sealing MDF board
A video: YouTube
In the second link, I talk of "car bog". This is a filler used by panel repair guys and works the absolute best. Next best is Gyprock (dry wall) filling plaster. The extra smooth finishing one in the red tin is the best. Does a great job.
Ask any more quesitons. Many here can help
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7th March 2020, 05:37 PM #3
Paint the edges with PVA glue, let dry, spray away
The person who never made a mistake never made anything
Cheers
Ray
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7th March 2020, 05:38 PM #4Member
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7th March 2020, 05:39 PM #5Member
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Painting MDF Trouble
Thank you so much for your help woodpixel , much appreciated
Sent from my iPhone using Tapatalk
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7th March 2020, 05:40 PM #6Member
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Thank you nwbuild for letting me know. Much appreciated
Sent from my iPhone using Tapatalk
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7th March 2020, 05:50 PM #7
Ah! Sally, simplicities controller!
Didnt even look at the name. On the MDF, for scrolling, many use Mod Podge (I havent, though Ive a pot), a mix of woodglue and water (sizing), or simply a few coats of undercoat with a brush first.
They use nail files to sand edges, or make their own by sticking sandpaper strips to paddle pop sticks, a dremel with a fine drum attachment, or buy these "sandpaper files"....
https://www.aliexpress.com/wholesale...sandpaper+file
To hold dremels better for this kind of work: Buy Products Online from China Wholesalers at Aliexpress.com
Detail Sanders: Rockler: Detail Sander - Belt Holders
Other: Belt Sticks, Sets | Gesswein
These are easy to make yourself.
external-content.duckduckgo.com.jpg
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8th March 2020, 11:43 AM #8Taking a break
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MDF edges will act like a sponge, you might want to try a double layer of primer just to be sure
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8th March 2020, 06:51 PM #9Member
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8th March 2020, 07:18 PM #10
[QUOTE=woodPixel;2176838]Ah! Sally, simplicities controller!
Our relationship, i will have you know is an equal .49/50 percent split.
[emoji6][emoji6]
Cheers Matt.
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