Applying Aluminum Sheathing

Finishes, paints and coatings

Applying Aluminum Sheathing

Postby Capebuild » Tue Oct 26, 2021 12:11 pm

I've only been able to source 4x10 foot aluminum panels (5x10 would have made things easier)

So, given this, I'll need to cut the panels to be 48" X 60" (trailer width being 60 inches) and overlap one piece over another. I plan on leaving a 2 to 4 inch overlap.
So my first question is, does that amount of overlap seem to be sufficient?
My 2nd question is there needs to be some sort of fasteners running across the seam where the 2 sheets overlap. Any suggestion on what fastener might be good?

Not quite at the point yet of applying the aluminum.....but preparing to order the aluminum sheet and trying to plan ahead.

Thank you.

John
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Re: Applying Aluminum Sheathing

Postby John61CT » Tue Oct 26, 2021 3:05 pm

Adhesives and sealants are a technologies that have been advancing dramatically in recent decades.

No penetrating fasteners needed
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Re: Applying Aluminum Sheathing

Postby tony.latham » Tue Oct 26, 2021 7:51 pm

I think Halfdome Danny laps his... you might PM him if he doesn't see this.

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Re: Applying Aluminum Sheathing

Postby dmdc411 » Wed Oct 27, 2021 10:36 am

I lapped 1 inch and covered the seam with trim. You'll want fasteners to hold the seam down. Aluminum expands and contracts enough to warrant fasteners or it will separate.

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Re: Applying Aluminum Sheathing

Postby wysedav » Wed Oct 27, 2021 3:22 pm

I lapped my joints and bonded using two full width strips of 3m VHB tape. No fasteners, been a couple years no issues so far. Make sure the surfaces are clean per instructions.

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Re: Applying Aluminum Sheathing

Postby halfdome, Danny » Sun Oct 31, 2021 4:11 pm

John had sent me a PM but just to cover how I've come up with the 4'x10' problem is a butt joint on the walls like in this picture.
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The roof I do a 2" overlap from the front with the thick VHB tape and some trim like in this picture.
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:D Danny
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Re: Applying Aluminum Sheathing

Postby JasenC » Fri Nov 12, 2021 10:56 pm

Running that thru a sheet metal flanger would be slick. Not something you'll use much after this, I looked at harbor freight, they have a pneumatic flanger for $38

https://www.harborfreight.com/air-punch-flange-tool-1110.html
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