using auto paint on boxes

busterno1 · 21st February 2004, 12:56 PM

Do I have to use a sealer first on the mdf then primer or just the primer ?

The sealer I was thinking of using is watered down pva glue

Or is there something else I can use that is cheap.

Thanks

richie00boy · 21st February 2004, 01:08 PM

Buy MDF primer. I think you can mix PVA with water-based wood primer too, or maybe it's 50/50 water/PVA...

Anyway, don't try using 'normal' primer on MDF. I did, and I used about 3 times more primer than necessary because it just soaks it all up. I have also tried car primer in an aerosol and that was even worse.

JOE DIRT® · 21st February 2004, 01:15 PM

marine resin works really well

Jim85IROC · 23rd February 2004, 12:54 PM

Where can you get MDF primer? I've already soaked 2 cans of automotive primer into my .2 cubic foot MDF boxes, and I've still got a LONG way to go at this pace.

MCH · 23rd February 2004, 03:35 PM

I heard using artist's Gesso paint (used for priming canavas) for primer was the way to go for MDF.

dhenryp · 23rd February 2004, 03:40 PM

I've had good luck with a 50-50 mix of water and regular yellow carpenter's glue.

21st February 2004, 12:56 PM	#1
busterno1 diyAudio Member Join Date: Mar 2003 Location: brisbane queensland	using auto paint on boxes Do I have to use a sealer first on the mdf then primer or just the primer ? The sealer I was thinking of using is watered down pva glue Or is there something else I can use that is cheap. Thanks

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21st February 2004, 01:08 PM	#2
richie00boy Did it Himself diyAudio Member Join Date: Nov 2003 Location: Gloucestershire, England, UK	Buy MDF primer. I think you can mix PVA with water-based wood primer too, or maybe it's 50/50 water/PVA... Anyway, don't try using 'normal' primer on MDF. I did, and I used about 3 times more primer than necessary because it just soaks it all up. I have also tried car primer in an aerosol and that was even worse.

21st February 2004, 01:15 PM	#3
JOE DIRT® diyAudio Member Join Date: Apr 2003 Location: Brantford, ON	marine resin works really well

23rd February 2004, 12:54 PM	#4
Jim85IROC diyAudio Member Join Date: Dec 2003 Location: Stamford VT	Where can you get MDF primer? I've already soaked 2 cans of automotive primer into my .2 cubic foot MDF boxes, and I've still got a LONG way to go at this pace.

23rd February 2004, 03:35 PM	#5
MCH diyAudio Member Join Date: Mar 2002	I heard using artist's Gesso paint (used for priming canavas) for primer was the way to go for MDF.

23rd February 2004, 03:40 PM	#6
dhenryp diyAudio Member Join Date: Aug 2003 Location: Mass.	I've had good luck with a 50-50 mix of water and regular yellow carpenter's glue.

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