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fulltimin

Home is where we Park It.

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Posted: 09/19/20 08:28pm

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Today, I pulled back the TPO roofing, and began to sand the plywood on the roof.

Having the scaffolding around 3 sides was really great! Up the ladder one time, and then I could access any area that I wanted. Wahoo!

Was it worth it? You bet. Even with the extra expense and extra time to get it ready. Yes, I am pleased with it.

[image]

If you want to do something, you will find a way.
If you don't, you will find an excuse.

-------------------------------------------------

Good judgement comes from experience.
A lot of experience, comes from bad judgement.

fulltimin

Home is where we Park It.

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Posted: 09/19/20 08:33pm

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Here you can see some of the ChemLink that I had put on the roof originally.

When I put the plywood on the roof, I screwed it down, and then covered the joints and screw heads with ChemLink.

Here is what that looked like. You can see that I sanded the Por 15 a little to scuff up the surface so glue will stick properly.

I also need to sand the ChemLink off to make that even with the plywood as well. As you ca see, the ChemLink is a little rough.

Then again, it is still tough to get off. Trying to cut a little off the top to bring it closer to level isn't fun, and then using 40 grit sandpaper to remove a little more to make it level works fairly well.

It does, however, take a little time to do so.

[image]

fulltimin

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Posted: 09/19/20 08:36pm

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Here's the results after sanding some of the ChemLink over the screws. That's going to take a little while, but I want this about as flat as possible.

[image]

fulltimin

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Posted: 09/20/20 09:21pm

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Took a day off today. Just kicked back and relaxed a bit. See you tomorrow.

Brob

North Florida

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Posted: 09/21/20 08:01pm

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Glad to hear the scaffolding is doing its job.
REALLY glad to see you prepping for the roofing. I've been curious as to how the TPO was going to work for the rig. Keep us posted!

fulltimin

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Posted: 09/21/20 08:45pm

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Brob wrote:

Glad to hear the scaffolding is doing its job.
REALLY glad to see you prepping for the roofing. I've been curious as to how the TPO was going to work for the rig. Keep us posted!

Thanks. I am also happy the scaffolding is working well. It's so much more of a pleasure walking from one area to another, rather than going up and down the ladder, and then only being able to access a small area at a time.

The TPO should work fine. One thing I noticed the other day after pulling the back half front. The underside is black, while the top is white.

After sitting in the sun for a while, the black side was hot to the touch. The white side, just a few inches away was nice and barely warm. That has made a big difference in the amount of heat transfer through the roof into the coach. Yay!!!

fulltimin

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Posted: 09/21/20 08:59pm

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Continued my sanding on the ChemLink today. I finally finished all of the screw heads on the back half of the roof.

There are 2 full width seams on the rear half, which I haven't done yet. (red arrows). They will take a while.

Removing the ChemLink is taking a bit longerrrrrrrr than I thought it would. Surprise! Lol. Just like other things in construction - some take longer than ya think.

[image]

Hopefully, I can finish the back half tomorrow. Don't know if I'll get to the front half or not.

I have tried to remove some of the excess ChemLink by cutting it with a knife, and that does help some, but, it does not cut easily. It's still partially soft/rubberish, as I expected, and that makes it kind of difficult to remove.

Bruce Brown

Northern NY

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Posted: 09/22/20 03:26am

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Try using a flap wheel on your Ryobi 4-1/2" grinder.

Its crude sanding but fast and efficient. I took a little bit off a small section of plywood that way this weekend. Works well.

There are 24 hours in every day - it all depends on how you choose to use them.
Bruce & Jill Brown
2008 Kountry Star Pusher 3910

fulltimin

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Posted: 09/22/20 08:46pm

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Bruce Brown wrote:

Try using a flap wheel on your Ryobi 4-1/2" grinder.

Its crude sanding but fast and efficient. I took a little bit off a small section of plywood that way this weekend. Works well.

WELL, SLAP ME STUPID!!!!!! Never mind. It's too late. (already stupid). Lol...

For some reason, that thought never occurred to me. Duh. Lol.

Thanks for the idea. I did indeed try that, and it did work quite nicely, I might add.

[image]

This half of the roof is done, as far as the ChemLink goes. I still have some sanding to do on the plywood, to scuff up the Por 15, but the ChemLink is leveled out on this side. Scuffing the Por 15 will be a piece of cake with 40 grit sandpaper.

Using the flap wheel on the grinder, cut out a lot of time doing that. I plan on finishing the sanding tomorrow.

One more step closer to getting the TPO glued down.

fulltimin

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Posted: 09/23/20 08:37pm

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I pulled the other side of the roofing back today. I worked on getting the seam ChemLink sanded off, well, ground off with the grinder and flap wheel.

I now have all the seams leveled off, as well as the ChemLink covering the screw heads.

In this pic the arrow is pointing to an area that I sanded with the orbital sander with 40 grit sandpaper. I did not wipe the dust off before I took the pic.

[image]

Is that all I did? Ah, yes. That took a couple of hours. It wasn't a 10 minute job, unfortunately.

Next move is to finish scuffing up the top of the plywood. I hope I can get that done tomorrow, but we'll see.

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