painting the inside of an overflow (with solution!)

lastlight · #1 04-13-2009, 02:20 AM

Yeah I would of course that's easy.

My concern is the black looking the same as the rest of the black. A piece of black acrylic placed against glass and black paint actually adhered to glass look a lot different. I don't want that massive rectangle to stick out like a sore thumb.

Also, I'm keeping the back cleaned.

brizzo · #2 04-13-2009, 06:40 PM

Bah, you don't need to worry about it looking all that different. Like Mike said, coraline is going to cover it .... Let's put that aside, do you think anyone looking at beautifully epic stand+setup is going to even notice the overflow box?

lastlight · #3 04-13-2009, 07:43 PM

You guys don't BELIEVE? I will keep the back black I tell ya

I think at this point I'm goin to paint it again and then silicone a piece of glass up against it to keep it dry. My other idea is to apply a layer of black silicone to the whole surface so it instead matches the 'black' of the silicone outline you can currently see faintly.

The problem with a piece of acrylic is I will see all the silicone holding it in place. I am FUSSY =)

hillegom · #4 04-14-2009, 06:43 AM

test putting silicone onto acrylic, It does not hold very well

lastlight · #5 04-14-2009, 08:12 AM

Yeah I doubt it would.

I've already drained the overflow and prepped it for another painting. I'm going to cut a piece of glass and silicone it against the painted area. My hope is the painted parts will be sealed off from the water falling into the box.

I'll post in a few days whether I was successful or not.

StirCrazy · #6 04-14-2009, 01:10 PM

Quote:

Originally Posted by hillegom

test putting silicone onto acrylic, It does not hold very well

actually on a face to face application silicone holds very well. I had to cut off the acrylic mounting plate that my float valve was attached to in my sump after 5 years of running. it is the edges that don't go very well with silicone.

Steve

hillegom · #7 04-14-2009, 02:51 PM

ok stircrazy, thats good to know, I have never tried to silicone acrylic, because of what I read

Ron99 · #8 04-14-2009, 04:02 PM

AFAIK silicone is not good for bonding panels in acrylic tanks, i.e anything that is under pressure. But it is fine to bind baffles or overflows or anything that will not need to contain water pressure.

banditpowdercoat · #9 07-29-2009, 03:36 PM

I have a internal overflow box siliconed, works fine. I wouldnt use it for a tank joint at all, but just to stick acrylic together, its fine