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11-13 Re-Do: Sealing School Bus Leaks Again

With all of the rain Central Texas has been getting, it really has allowed us to get some realistic ideas on if we did a good job with our caulking & foam. Leaks, Leaks, Everywhere!! Ok, they are not as bad as they once were. Since re-sealing the windows, roof, and sides; the leaks have been minimal…but still…I am ready to build. But, first things first…Where oh where could they be coming from…

Not what I wanted to see..LEAK 1
Not what I wanted to see..LEAK 1
UGH! LEAK #2
UGH! LEAK #2
Last One..Leak #3
Last One..Leak #3

Time to inspect. They were only on the passenger side of the bus, and it felt wet in the corners of the windows. There were wet spots on the ceiling on the left side only….

Some of the leaks are coming from the corners where the Great Stuff is.
Some of the leaks are coming from the corners where the Great Stuff is.
From the outside, I squished a piece of the Great Stuff and water came out like a sponge! It is definitely not fixing the leak problem..
From the outside, I squished a piece of the Great Stuff and water came out like a sponge! It is definitely not fixing the leak problem..

Lesson #24 in Bus Renovations…Don’t use great stuff on the outside of the windows. Solution? Darn tootin.

Apparently, it was absorbing water amd making its way through our newly sealed windows…I THINK NOT! We scraped the foam off on the outside only, and used the 2 in 1 Premium Polyurethane (used on the windows) to really gob up the corners.

Def learned we are not professional caulkers ;)
Def learned we are not professional caulkers 😉 But, I don’t see any holes!
I do think that this will prevent any more rain or water from entering.
I do think that this will prevent any more rain or water from entering.

Next after fixing the windows, I needed to make sure the roof was leak proof. Completely leak proof. Or at least as close as I could get with my experience 🙂 The only thing I had not sealed yet was every single bolt and screw. I did the seams and a few of the bolts that looked “rough”. So, I headed back up to the roof and finished the job!

Using Premium Polyurethane (same as on floors) to cover each and every bolt/screw on this god forsaken roof!!
Using Premium Polyurethane (same as on floors) to cover each and every bolt/screw on this god forsaken roof!!
Using the last of the 2 In 1 Premium on the side roof bolts after running out of my other polyurethane.
Using the last of the 2 In 1 Premium on the side roof bolts after running out of my other polyurethane.

Ok. Final Drum Roll Please……..

I think this did it. Fingers crossed this did it. I really really hope this did it. LOL. Whatever, live and learn! I will keep everyone posted on if this fixed it! Since we are supposed to have great weather next week I think I will use the hose to find my leaks…ready to tackle and end this beast.

(***UPDATE 2019, POLYURETHANE and PAinting touch up paint on the body and rolling paint on the roof of the bus helped seal it. We have not had any leaks from the roof that we know of. We also check the roof every few months and caulk where it looks like it is cracking.)

At the end of the month (June 2015) we should be heading to get the electrical stubbed out, and then we will begin building…I hope!!

More Coming Soon….

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8: School Bus Floor Holes and How We Filled Them

Stage 8: Filling those Stinkin’ Holes

After much research, discussion, helpful advice from Skoolie.net and Skoolie Converters on Facebook, and time, we finally decided what to fill the holes with! Bondo would not work since it was not water repellant or flexible. Welding would not work because we did not have a welder but a friend 5 hours away does. We also discovered it may cause more rust around the area we are welding, and it is a lot of holes to fill anyway! Honestly, I feel this decision was a preference thing. If it was easily accessible and we knew how to do it, I probably would have welded it. However, this next option was the best that I could find for our project and I felt comfortable using it. Again, I think it is really personal preference as everyone had their own opinion on which was best.

Polyurethane  is the Winner! Water resistance, flexibility, expansion capabilities, and an amazing sealant used on metal, concrete, wood, etc.

Loctite PL Premium Polyurethane Construction Adhesive 10-Ounce Cartridge (1390595)

Polyurethane The top two bottles were purchased at Home Depot, the bigger one was around $9 I believe. The bottom tube was purchased at Habitat for Humanity for $4, only missing the tube at the end.
Polyurethane
The top two bottles were purchased at Home Depot, the bigger one was around $9 I believe. The bottom tube was purchased at Habitat for Humanity for $4, only missing the tube at the end.

 Great find at Habitat for Humanity, by the way! We got like $5-$7 off of the only tube of Polyurethane, the only thing wrong with it was that the tube piece was missing. We used this tube first and just cut it open with a knife and applied it with a skinny spackling spatula. Easy Peasy!

After piling the goop on the bigger bolt holes, gravity was pulling it through, so I had to go back over a few spots after letting it set for a few minutes.
After piling the goop on the bigger bolt holes, gravity was pulling it through.
No more sunken holes after adding more polyurethane.
No more sunken holes after adding more polyurethane. We had to let it sit a few minutes and then come back to it. Dancing amongst the sticky traps to find missed holes or sunken seals was like doing a Texas Two Step 🙂
A little over half way done. The wheel wells on the right had more holes than the ones on the left.
A little over half way done. The wheel wells on the right had more holes than the ones on the left.

That one Large tube of Polyurethane lasted until after I was about 3/4 of the way done. Not bad at all!

Sealing holes on the steps
Sealing holes on the steps

After we let it set for a couple of hours, I was interested to see what the holes were starting to look like under the bus….at least for the holes I could see from there.

From under the bus, a shot of a couple of the bigger bolt holes being filled with polyurethane, and pulled through with gravity:)
From under the bus, a shot of a couple of the bigger bolt holes being filled with polyurethane, and pulled through with gravity:)

Mwahahahahaha (evil laugh here). The plan is working!

From Under the Bus. Oh yeah, get in there and seal that hole, you big goopy polyurethane you.
From Under the Bus.
Oh yeah, get in there and seal that hole, you big goopy polyurethane you.

Well Glippity, Gloppity, Gloop! I am impressed! I just hope it looks like this tomorrow!

Onto to Stage 9: Rust Prevention

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