patching holes in mdf?

[--Navi-- 10+ year member]

bondo

 

[PaulThompson229 10+ year member]

local hardware store has them..at my resturant we poured epoxy on the bar so it had this clear finish coat on it like a big thick layer of sealer....sec i'l get u a nice link but ur local stores always have this ...even walmart http://www.aplusbputty.com/applications.htm

e-poxy>all glues

Oh, lol I fail, I know what epoxy is, I thought the way you wrote it (e-poxy) you were talking about a specific kind

Loctite epoxy is nice, its what I use for my recones

 

[chase007 10+ year member]

yeah man just use epoxy its very nice and works well and plus if u got extra left over u can always use it for something elce...I win epoxy win's this thread A+

 

[PaulThompson229 10+ year member]

^^ umm no? Even though I agree that epoxy is extremely useful, it still doesn't bond to the wood. MDF paste is the best option.

 

[bjfish11 5,000+ posts]

With a hole that size, I would not use sawdust and glue mix. Instead, get a dowel pin the same size diameter as the hole, cover it in glue, shove it in. When the glue is dried, trim off the excess of the dowel. Best way to do it IMO.

 

[PaulThompson229 10+ year member]

With a hole that size, I would not use sawdust and glue mix. Instead, get a dowel pin the same size diameter as the hole, cover it in glue, shove it in. When the glue is dried, trim off the excess of the dowel. Best way to do it IMO.

Very good idea, I never would have thought of that, +1 for joo //content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif

 

[I Like Waffle]

Why does liquid nails ****? i read good things about it on here before and i used it to seal up my first box i built //content.invisioncic.com/y282845/emoticons/frown.gif.a3531fa0534503350665a1e957861287.gif

 

[Louisiana_CRX 5,000+ posts]

gorilla glue

 

[dman4486 5,000+ posts]

Why does liquid nails ****? i read good things about it on here before and i used it to seal up my first box i built //content.invisioncic.com/y282845/emoticons/frown.gif.a3531fa0534503350665a1e957861287.gif

I know it is good for bonding 2 things together, but I don't know how well it would work for filling a hole.

 

[PaulThompson229 10+ year member]

Why does liquid nails ****? i read good things about it on here before and i used it to seal up my first box i built //content.invisioncic.com/y282845/emoticons/frown.gif.a3531fa0534503350665a1e957861287.gif

For sealing seams it is fine, for any type of adhisive/patching purposed it doesn't work well. It does not soak into the wood and create a chemical bond like wood glue does, only a surface coating. I made the mistake of building my first box with liquid nails back when I didn't know jack shit about car audio and the box blew apart on 800rms.

 

[snb778 5,000+ posts]

bondo

x2 on that..... and I even put some resin and or fiberglass on top of that... I had 3x 4" holes for some aeros on my box I covered using this method.

 

[I Like Waffle]

im running about 1200rms, and i also used a shitload of screws in the box too. I used gorilla glue in the seams and went along the inside edges with the liquid nails. Ill see how it holds up i suppose

 

[dman4486 5,000+ posts]

im running about 1200rms, and i also used a shitload of screws in the box too. I used gorilla glue in the seams and went along the inside edges with the liquid nails. Ill see how it holds up i suppose

gorilla should be fine especially with screws, but I don't believe it has the bonding abilities of wood glue.

could be wrong

 

[IDSkoT 5,000+ posts]

put a peice of mdf inside the box covering the hole

This, or cut a circle roughly the same size, wood glue it up and wood filler it up.

Bam.

 

[Vermithrax 10+ year member]

With a hole that size, I would not use sawdust and glue mix. Instead, get a dowel pin the same size diameter as the hole, cover it in glue, shove it in. When the glue is dried, trim off the excess of the dowel. Best way to do it IMO.

I have to agree with BJ on this. If you don't have dowels you could countersink a 1/2 or 3/4" screw in the hole and putty over it.