Painting under the capping

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dag019

dag019

Well-Known Member
Posts
6,154
Location
Warwick
What do people recommend for under the cappings of the rear tub. I have removed the very rusty old ones, rubbed down the oxidised aluminium and given a coat of etch primer. Is that going to be enough or do I need to go to the effort of top coating it as well?
Originally it does not look like it was top coated from the factory. And I will be putting a layer of foam tape between the Ali and the galv capping.
 
dag019 said:
What do people recommend for under the cappings of the rear tub. I have removed the very rusty old ones, rubbed down the oxidised aluminium and given a coat of etch primer. Is that going to be enough or do I need to go to the effort of top coating it as well?
Originally it does not look like it was top coated from the factory. And I will be putting a layer of foam tape between the
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dag019 said:
Ali and the galv capping.
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Good timing with this question as I’ll be doing the same very soon. My cappings are in good condition except for the welded join. They are a bit rusty there and I want to get rid of that.
miktdish said:
I would paint it as primer is porous (well more porus than a topcoat) and damp will get in there. I'd also probably apply a smear of red (rubber) grease on the foam tape too, just to be sure, to be sure.
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What’s the rubber grease for ? Just wondering as I have a roll of closed cell foam I use often, but have never used the grease as well as !!
 
meego said:
What’s the rubber grease for ? Just wondering as I have a roll of closed cell foam I use often, but have never used the grease as well as !!
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That’s exactly what I use. Have spme
Neoprene tape I use for jointing. But also have never greased it.

miktdish said:
I would paint it as primer is porous (well more porus than a topcoat)
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That was my concern but was just trying to avoid top coating as the enamel takes much longer to dry than the primer so means I can’t fit the cappings for a while yet and I need a few good days to actually paint as inside.
 
dag019 said:
That’s exactly what I use. Have spme
Neoprene tape I use for jointing. But also have never greased it.


That was my concern but was just trying to avoid top coating as the enamel takes much longer to dry than the primer so means I can’t fit the cappings for a while yet and I need a few good days to actually paint as inside.
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Can you use another quick drying top coat then of the same colour. You could strike a line just before it’s seen with the capping refitted and paint it up to that ??
 
meego said:
What’s the rubber grease for ? Just wondering as I have a roll of closed cell foam I use often, but have never used the grease as well as !!
Click to expand...

It stops the rubber decaying and hardening and will also stop any moisture wicking (capillary).
Red Rubber grease doesn't have a mineral oil/petroleum base (it's made from vegetable oil) so won't decay a rubber/neoprene substrate.
 
miktdish said:
It stops the rubber decaying and hardening and will also stop any moisture wicking (capillary).
Red Rubber grease doesn't have a mineral oil/petroleum base (it's made from vegetable oil) so won't decay a rubber/neoprene substrate.
Click to expand...
Good stuff mate, cheers 👍👍
 
Well took advantage of the sunny weather and put a first coat of the best Land Rover colour, and one of only five acceptable colours for a Land Rover the mighty Masai red.

However, I am still not happy with the extra work required, I don’t care how much it is the right things to do, or that I suspected it anyway and lay the blame for the additional time and effort squarely with @miktdish for giving the correct answer not the one I wanted to hear!

IMG_8381.jpeg
 
dag019 said:
Well took advantage of the sunny weather and put a first coat of the best Land Rover colour, and one of only five acceptable colours for a Land Rover the mighty Masai red.

However, I am still not happy with the extra work required, I don’t care how much it is the right things to do, or that I suspected it anyway and lay the blame for the additional time and effort squarely with @miktdish for giving the correct answer not the one I wanted to hear!

View attachment 324853
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This reminds me very much of my own as it is at the minute. Without the tree growing through it though 😁
 
I
Flathatmat said:
That's great!
Do you have the dimensions and I'll have a look.
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I haven’t measured the tub but can do Next time I am there. I have it in both 20mm and 50mm width 3mm thick in the garage that has been sufficient for everything I have done so far.

LINK for last lot I bought
 
miktdish said:
The real question is, what side do you stick the neo' strip to ?
Sticky side down, on the (freshly painted) tub ?
Or up inside the capping ?

:cool:
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That is an easy one, on the freshly painted tub because it is easier to access than the freshly painted capping's. I did it properly and painted the whole thing inside and out!

On a more serious note I plan on sticking the tape to the top lip of the tub, and to the side lip of the capping. I look at the direction of force as parts slide together and try and avoid a situation where a part is going to slide into the tape and try and peel it off. I want the part sliding to already have the tape attached to it rather than need lifting over the tape when it gets into position.
 
dag019 said:
That is an easy one, on the freshly painted tub because it is easier to access than the freshly painted capping's. I did it properly and painted the whole thing inside and out!

On a more serious note I plan on sticking the tape to the top lip of the tub, and to the side lip of the capping. I look at the direction of force as parts slide together and try and avoid a situation where a part is going to slide into the tape and try and peel it off. I want the part sliding to already have the tape attached to it rather than need lifting over the tape when it gets into position.
Click to expand...
Dont know if this will help but I put the tap on the top/side lip of the tub and filled my capping with tiger seal - i didnt want any air gaps inside where it could condensate. But is OTT.

you also need tape/isolator on the inside on the tub where the capping support gets riveted through the body so if you painting maybe worth coming down inside alot further than the front for this.
 
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