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Old 08-08-2018, 08:15 PM   #1
Mini-Skoolie
 
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Filling bolt holes

I've already treated rust and primed my sheet metal, but these bolts and heater holes are vexing me! Any ideas?

I've tried at Sikaflex with like washers for the larger holes, but just don't like the sheer amount of fiddling that it's taking.

What about about using flexible window flashing tape?
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Old 08-08-2018, 10:31 PM   #2
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how big is the hole?

https://www.amazon.com/Yongcun-Panel...H8VCJNHSTBPEVZ

They make metal knock out seals with tabs starting at 1/2" and you can bend all the tabs flat with a little sealer dabbed on and it is a permanent flush fit fix.
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Old 08-09-2018, 02:52 PM   #3
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I'm thinking elevator bolts and some sort of adhesive...

https://www.amazon.com/20x2-GRADE-CO...tor+bolt+1%2F4
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Old 08-14-2018, 11:27 AM   #4
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For the skoolie conversion that I'm going to start next month I'm going to use foil tape to go over the bolt holes and then put the flooring down definitely make sure you fix all the rust and there is a converter that you can get that you paint over immediately after it dries it converts all the rust to a mineral and stops the spread of it you just have to seal it right away so that new rust doesn't form
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Old 08-14-2018, 12:21 PM   #5
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Quote:
Originally Posted by ekyoung View Post
I've already treated rust and primed my sheet metal, but these bolts and heater holes are vexing me! Any ideas?

I've tried at Sikaflex with like washers for the larger holes, but just don't like the sheer amount of fiddling that it's taking.

What about about using flexible window flashing tape?
JB liquid weld and auto seam sealer both work well
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Old 08-14-2018, 12:23 PM   #6
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Yeah, I used the Rustex stuff from Rust-Oleum, it works great. Luckily not much rust to deal with here, my bus was garaged for most of its life, I'm told.

I think I will just use the plastic sheet metal plugs and caulking. They fit really nice and tight and I've already primered and painted the floor, so I think I'll be fine.
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Old 08-19-2018, 05:01 AM   #7
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I have been welding mine.
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Old 08-19-2018, 08:30 AM   #8
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I just used some epoxy to stick nickels over some dime size holes in the outside shell of my bus. So far so good!
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Old 08-19-2018, 03:09 PM   #9
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Quote:
Originally Posted by ekyoung View Post
I've already treated rust and primed my sheet metal, but these bolts and heater holes are vexing me! Any ideas?

I've tried at Sikaflex with like washers for the larger holes, but just don't like the sheer amount of fiddling that it's taking.

What about about using flexible window flashing tape?
I just went through all this. Did some things that I liked and some I would change. I hope my experience will help you decide what you want to do.

For the big holes (heater hoses) weld them up. Never welded? No problem neither had I. Go to Home Depot and rent a mig welder (~$32 for 4 hours). Get a spool of flux core wire (~$12) no gas bottle needed. Not the prettiest welds but good enough below the floor. Pick up a piece of sheet metal (either at depot or somewhere cheaper if you have or cut out of some scrap you have from your bus. Cut squares that will cover the holes. I found it easiest to use the $12 air grinder I got at harbor freight with a cut off wheel but an electric grinder works too for cutting the sheet metal. Just make sure you are using the thin cut off wheel not the thick grinding wheel. Watch some youtube videos on mig welding then zip them up. You can see how mine came out on my build thread here
http://www.skoolie.net/forums/f11/em...n-23234-6.html

You may be able to get away with using seam sealer instead of welding. Just cut the sheet metal and "glue" down with the Dynatron 550 or similar seam sealer. But, hey dont you want to get that welder? Come on you know you want to try it.

For the smaller holes I would use that sikaflex or 550 or the tropicool caulk. I covered mine with aluminum tape after sealing but probably not necessary in all cases. You could also see if you can get scrap metal from a fabricator that does punching (as mentioned by EastCoastCB) and then use the seam sealer to glue them punch outs down.

Pictures of Dynatron 550 seam sealer and aluminum tape method
http://www.skoolie.net/forums/f10/fl...-17722-24.html

Pictures of how I did my seat and nail holes.
http://www.skoolie.net/forums/f11/em...n-23234-9.html
Update of how the two products I use look from under the bus
http://www.skoolie.net/forums/f11/em...-23234-13.html
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Old 08-19-2018, 06:34 PM   #10
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for the seat bolt holes use plastic "christmas tree" automotive type trim fasteners cheap an efficient
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