wood undercoat under auto paint ?

busterno1 · 7th March 2004, 08:21 AM

can anyone tell if possible . I am using a car paint on some speaker boxes . better off sticking with auto primer thanks

ashok · 7th March 2004, 03:13 PM

I am no expert on paints - but when I asked a local paint dealer about the same thing he said that I better use auto primer and then auto paint ( these are NC based - nitro cellulose).
As far as the filler is concerned I am not sure . But the local filler we get here cannot be used. I use NC based putty used on cars. It works out well. Can't say if it will last very long. But on some MDF stands I made with NC primer and NC paint , there has been no problem. The stands are about 8 years old .
Cheers.

sreten · 7th March 2004, 06:35 PM

Unless you wood working skills are ouststanding,
you will need to go :

Sealer, filler, fine filler, primer, paint, laquer / clearcoat.

At the primer stage I think only car primer is appropriate.

sreten.

richie00boy · 8th March 2004, 12:12 PM

I'm assuming you are talking about MDF here. I'd have to disagree (for the first time!) with you there. I tried car primer on MDF and it just soaked it all up - I used LOADS. MDF primer is better, or you can mix a 50/50 solution of either (I can't remember which) PVA/primer or PVA/water then primer.

sreten · 8th March 2004, 12:31 PM

From the sound of it you used primer at the sealer stage.
So we do not disagree.

sreten.

richie00boy · 8th March 2004, 04:20 PM

Ahh, when you wrote sealer I assumed you meant to seal the edges, like caulking.

sreten · 8th March 2004, 05:24 PM

yeah it probably should be :

Sanding
Filler
more sanding
sealer (presume could be house paint primer ?)
more fine sanding
fine filler
more fine sanding
primer
more very fine sanding
paint
more very very fine sanding (not metallic paints)
leveller
laquer / clearcoat
more very very fine sanding
leveller
more laquer / clear coat
more very very fine sanding
leveller
more laquer / clear coat
more very very fine sanding
leveller

T cut after a month or so.

sreten.

7th March 2004, 08:21 AM	#1
busterno1 diyAudio Member Join Date: Mar 2003 Location: brisbane queensland	wood undercoat under auto paint ? can anyone tell if possible . I am using a car paint on some speaker boxes . better off sticking with auto primer thanks

7th March 2004, 03:13 PM	#2
ashok diyAudio Member Join Date: Jun 2002 Location: 3RS	Auto primer. I am no expert on paints - but when I asked a local paint dealer about the same thing he said that I better use auto primer and then auto paint ( these are NC based - nitro cellulose). As far as the filler is concerned I am not sure . But the local filler we get here cannot be used. I use NC based putty used on cars. It works out well. Can't say if it will last very long. But on some MDF stands I made with NC primer and NC paint , there has been no problem. The stands are about 8 years old . Cheers. __________________ AM

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7th March 2004, 06:35 PM	#3
sreten diyAudio Member Join Date: Nov 2003 Location: Brighton UK	Unless you wood working skills are ouststanding, you will need to go : Sealer, filler, fine filler, primer, paint, laquer / clearcoat. At the primer stage I think only car primer is appropriate. sreten.

8th March 2004, 12:12 PM	#4
richie00boy Did it Himself diyAudio Member Join Date: Nov 2003 Location: Gloucestershire, England, UK	I'm assuming you are talking about MDF here. I'd have to disagree (for the first time!) with you there. I tried car primer on MDF and it just soaked it all up - I used LOADS. MDF primer is better, or you can mix a 50/50 solution of either (I can't remember which) PVA/primer or PVA/water then primer.

8th March 2004, 12:31 PM	#5
sreten diyAudio Member Join Date: Nov 2003 Location: Brighton UK	From the sound of it you used primer at the sealer stage. So we do not disagree. sreten.

8th March 2004, 04:20 PM	#6
richie00boy Did it Himself diyAudio Member Join Date: Nov 2003 Location: Gloucestershire, England, UK	Ahh, when you wrote sealer I assumed you meant to seal the edges, like caulking.

8th March 2004, 05:24 PM	#7
sreten diyAudio Member Join Date: Nov 2003 Location: Brighton UK	yeah it probably should be : Sanding Filler more sanding sealer (presume could be house paint primer ?) more fine sanding fine filler more fine sanding primer more very fine sanding paint more very very fine sanding (not metallic paints) leveller laquer / clearcoat more very very fine sanding leveller more laquer / clear coat more very very fine sanding leveller more laquer / clear coat more very very fine sanding leveller T cut after a month or so. sreten.

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