Help with quickie finish blemished mdf

nightanole · 24th April 2011, 11:27 PM

So i have a 5 day easter weekend, so i thought he ill get by 84" bib boxes built. Normally i make the front and back a hair bigger then the sides so i can just just sand them flush later. Well with this long of a speaker it didnt work out so some of the sides stuck out a 32nd/64th inch and almost impossible to sand flush without getting wavy. To compound the fact is that my peel and stick veneer is only 2ft wide and not the standard yard (are you UK people crying yet?) so its going to take 3 rolls for 2 speakers, and odds are look like hell.

So is there a quickie finish i can throw on these in 2 days? Im just building them for work but they need to have some boss approval factor.

Lets say i get holes filled and the seams as close as i can, and seal the whole thing with 50/50 pva glue/water. What could i finish them with that wouldnt show the oopsies and look some what decent for like 30-40 bucks for both (say the dimensions are 8ft by 1ft by 1ft)?

WithTarragon · 25th April 2011, 12:02 AM

Can you glue some sort of fabric on the box? Perhaps a vinyl "black leather" cloth. I am not sure what they call it in the UK.

sofaspud · 25th April 2011, 01:50 AM

yeah, the speaker carpet for covering cabinets, mostly used for car and pro audio boxes. On a lean budget I've found material at the fabric shop that did the job.

jackinnj · 25th April 2011, 02:53 AM

2 days? Best bet for dealing with holes and seams is Bondo -- then for a finish go to your NAPA store and get a automotive primer and finish, IF they'll sell it to you. I've used the DuPont stuff and it's first rate.

and wear a mask -- Sears and others have them rated for the organic solvents used in auto finishes.

joe58 · 26th April 2011, 08:34 PM

How about making a simple frame to fit over the whole speaker and getting some speaker cloth, any colour you like and covering the frame(paint the whole cabinet a flat black for no reflections. Simply slot over and you have a professional look speaker. Theres them Gallo speakers which are covered by a frame and B&O's are always completley covered. Simple.

joe58 · 26th April 2011, 08:37 PM

Gallo Reference.

nightanole · 27th April 2011, 12:06 AM

Ended up with the carpet idea and metal corners since they will be moved around alot.

Ya Joe i did something similar with my home setup. It wouldnt have worked at work because they would be almost impossible to move without damaging the grill.

https://sites.google.com/a/dslextrem...peakers/db1661

24th April 2011, 11:27 PM	#1
nightanole diyAudio Member Join Date: Feb 2009	Help with quickie finish blemished mdf So i have a 5 day easter weekend, so i thought he ill get by 84" bib boxes built. Normally i make the front and back a hair bigger then the sides so i can just just sand them flush later. Well with this long of a speaker it didnt work out so some of the sides stuck out a 32nd/64th inch and almost impossible to sand flush without getting wavy. To compound the fact is that my peel and stick veneer is only 2ft wide and not the standard yard (are you UK people crying yet?) so its going to take 3 rolls for 2 speakers, and odds are look like hell. So is there a quickie finish i can throw on these in 2 days? Im just building them for work but they need to have some boss approval factor. Lets say i get holes filled and the seams as close as i can, and seal the whole thing with 50/50 pva glue/water. What could i finish them with that wouldnt show the oopsies and look some what decent for like 30-40 bucks for both (say the dimensions are 8ft by 1ft by 1ft)?

25th April 2011, 01:50 AM	#3
sofaspud diyAudio Member Join Date: Nov 2005 Location: San Antonio TX	yeah, the speaker carpet for covering cabinets, mostly used for car and pro audio boxes. On a lean budget I've found material at the fabric shop that did the job. __________________ It is error only, and not truth, that shrinks from enquiry. - Thomas Paine

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25th April 2011, 12:02 AM	#2
WithTarragon diyAudio Member Join Date: Jun 2007	Can you glue some sort of fabric on the box? Perhaps a vinyl "black leather" cloth. I am not sure what they call it in the UK.

25th April 2011, 02:53 AM	#4
jackinnj diyAudio Member Join Date: Apr 2002 Location: Llanddewi Brefi, NJ	2 days? Best bet for dealing with holes and seams is Bondo -- then for a finish go to your NAPA store and get a automotive primer and finish, IF they'll sell it to you. I've used the DuPont stuff and it's first rate. and wear a mask -- Sears and others have them rated for the organic solvents used in auto finishes.

26th April 2011, 08:34 PM	#5
joe58 diyAudio Member Join Date: Dec 2009 Location: England	How about making a simple frame to fit over the whole speaker and getting some speaker cloth, any colour you like and covering the frame(paint the whole cabinet a flat black for no reflections. Simply slot over and you have a professional look speaker. Theres them Gallo speakers which are covered by a frame and B&O's are always completley covered. Simple.

26th April 2011, 08:37 PM	#6
joe58 diyAudio Member Join Date: Dec 2009 Location: England	Gallo Reference.

27th April 2011, 12:06 AM	#7
nightanole diyAudio Member Join Date: Feb 2009	Ended up with the carpet idea and metal corners since they will be moved around alot. Ya Joe i did something similar with my home setup. It wouldnt have worked at work because they would be almost impossible to move without damaging the grill. https://sites.google.com/a/dslextrem...peakers/db1661

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