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Southernscouse
Joined: 30 May 2024
Posts: 27
Location: Havant Hampshire
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 Posted: Wed Jan 28, 2026 1:14 pm Post subject: Condensation |
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| Hi my Austin Devon van is not garaged and the painted metal interior has lots of condensation what would be the best material to cover the interior |
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Vintage Fly Guy
Joined: 27 Jun 2024
Posts: 223
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consul 57
Joined: 09 Nov 2017
Posts: 624
Location: somerset
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| Posted: Thu Jan 29, 2026 2:42 pm Post subject: |
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| while i have a good enclosed car port i put damp eaters in the car when i am not driving it, they do take moisture of of the interior air, a cheap and easy way to control it. |
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Southernscouse
Joined: 30 May 2024
Posts: 27
Location: Havant Hampshire
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| Posted: Sat Jan 31, 2026 7:03 pm Post subject: Condensation |
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| At the moment I am using a 12v dehumidifier that is normally in my camper have tried the small bags which change colour when damp but because it?s just a painted steel box fighting a losing battle was hoping someone had this problem before |
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Southernscouse
Joined: 30 May 2024
Posts: 27
Location: Havant Hampshire
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| Posted: Sat Jan 31, 2026 7:04 pm Post subject: Condensation |
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| At the moment I am using a 12v dehumidifier that is normally in my camper have tried the small bags which change colour when damp but because it?s just a painted steel box fighting a losing battle was hoping someone had this problem before |
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alastairq
Joined: 14 Oct 2016
Posts: 2225
Location: East Yorkshire
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| Posted: Sat Jan 31, 2026 9:21 pm Post subject: |
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I tried those diatomaceous earth bags from a well known old car spares supplier....placed inside the car
Be warned, once they absorb just the wrong amount of condensation, the bags burst [if forgotten about]....creating one 'eckova mess.
_________________
Dellow Mk2, 1951 built, reg 1952.
Fiat 126 BIS
Cannon special [1996 registered. Built in 1950's]
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Ford Pop chassis, Ashley 1172 bodyshell, in pieces. |
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Ray White
Joined: 02 Dec 2014
Posts: 7589
Location: Derby
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| Posted: Tue Jul 21, 2026 4:22 pm Post subject: Which sealant? |
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I would value the forum's advice on using a sealant that sets hard ...or one that does not harden.
What sealant should I use for preventing petrol leaks from the sender unit fitted to my MG TC slab tank.
The sender unit has leaked petrol with 1) a thick paper gasket soaked in Wellseal and b) more lately, a rubber gasket;
also coated in Wellseal...
I am thinking of using Tiger Seal on the vertical surface of the slab tank onto which the sender unit is secured. Any good?
There are six small screws threaded directly into the stainless steel of the tank. These MUST NOT be overtightened!
What do other restorers use?
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alastairq
Joined: 14 Oct 2016
Posts: 2225
Location: East Yorkshire
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| Posted: Tue Jul 21, 2026 5:27 pm Post subject: |
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HAve you tried small non-metallic washers under the fixing screws?
_________________
Dellow Mk2, 1951 built, reg 1952.
Fiat 126 BIS
Cannon special [1996 registered. Built in 1950's]
----------------------------------------------
Ford Pop chassis, Ashley 1172 bodyshell, in pieces. |
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Ray White
Joined: 02 Dec 2014
Posts: 7589
Location: Derby
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| Posted: Tue Jul 21, 2026 5:57 pm Post subject: |
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| alastairq wrote: | | HAve you tried small non-metallic washers under the fixing screws? |
No. The screws are not leaking (surprisingly) but the perimeter seal is. it is of a type I have not come across before;
it being made of rubber but not flat. it has deformed and I suspect it has been dissolved by the petrol.
I need to know if I should simply fit a solid flat rubber seal or go for one of the instant gaskets out of a tube.? |
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alastairq
Joined: 14 Oct 2016
Posts: 2225
Location: East Yorkshire
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| Posted: Tue Jul 21, 2026 6:11 pm Post subject: |
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Silly question I know, but, are there enough screws to hold the top plate down?
Also, do the screws need wider washers [to exert pressure over a greater area?]
What sort of rubber is the gasket made of?
Is the tank 'surface' flat all the way across the hole?
Is there a missing metal 'washer' to go under the gasket?
_________________
Dellow Mk2, 1951 built, reg 1952.
Fiat 126 BIS
Cannon special [1996 registered. Built in 1950's]
----------------------------------------------
Ford Pop chassis, Ashley 1172 bodyshell, in pieces. |
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Ray White
Joined: 02 Dec 2014
Posts: 7589
Location: Derby
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| Posted: Tue Jul 21, 2026 7:25 pm Post subject: |
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The one on the left. Same number of screw holes as the old one. Flange made from the same metal.
The main difference is the gasket. I don't know what it is made from but the point is it has failed.
I am leaning towards a solid rubber gasket with Tiger seal. I have a selection of hole punches and will select the
smallest size I can get away with.
As it happens, I was considering adding more screws. It would mean drilling and tapping into the tank
but if that is what is needed then so be it.
Your question about how flat is the surface may well hold the key. This, as you will remember, is a brand new stainless steel tank. It has never been used. Further more it may never even have been tested.
Once I have removed the sender unit I will check out with a straight edge to see just how flat it really is.
What are the chances that there is a gap??
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alastairq
Joined: 14 Oct 2016
Posts: 2225
Location: East Yorkshire
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| Posted: Tue Jul 21, 2026 9:28 pm Post subject: |
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Don't choose any old rubber for the gasket. Petrol will make it go out of shape.
_________________
Dellow Mk2, 1951 built, reg 1952.
Fiat 126 BIS
Cannon special [1996 registered. Built in 1950's]
----------------------------------------------
Ford Pop chassis, Ashley 1172 bodyshell, in pieces. |
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| Back to top |
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Ray White
Joined: 02 Dec 2014
Posts: 7589
Location: Derby
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| Posted: Tue Jul 21, 2026 10:01 pm Post subject: |
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| alastairq wrote: | | Don't choose any old rubber for the gasket. Petrol will make it go out of shape. |
What type of rubber should I choose?
and where would I get it?
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alastairq
Joined: 14 Oct 2016
Posts: 2225
Location: East Yorkshire
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| Posted: Tue Jul 21, 2026 10:56 pm Post subject: |
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I think......nitrile rubber.
Unaffected by petrol.
Available in sheet form, even from Amazon!
Ebay,
if you have the time, then google where to buy nitrile rubber sheet in the UK?
Thus far, the thinnest nitrile rubber sheet I have spotted is 1mm.
https://deltarubber.co.uk/nitrile-rubber-sheet/
https://www.amazon.co.uk/nitrile-rubber-sheet/s?k=nitrile+rubber+sheet
https://www.ebay.co.uk/sch/i.html?_nkw=NITRILE+OIL+%26+FUEL+RESISTANT+RUBBER+SHEET+VAR.+SIZES+%26THICKNESS&_sacat=0&_from=R40&_trksid=m570.l1313
https://tym.co.uk/products/nitrile-rubber-sheet?srsltid=AfmBOoquwYG4t42SSm6Yn2JyC5PPtzg-dB5WF-AG7JKXqEc4amDfaCTu&variant=40422152503359
https://www.sealsdirect.co.uk/shop/category/solid-rubber-solid-nitrile-rubber-sheet-455?srsltid=AfmBOoqRo6BL9MMDaTOPgGEUu6OVEsFIM-TnzBWxSaopzYaPiYAjueIR
Just a selection from Google, above. [No AI]
_________________
Dellow Mk2, 1951 built, reg 1952.
Fiat 126 BIS
Cannon special [1996 registered. Built in 1950's]
----------------------------------------------
Ford Pop chassis, Ashley 1172 bodyshell, in pieces. |
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Ray White
Joined: 02 Dec 2014
Posts: 7589
Location: Derby
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| Posted: Tue Jul 21, 2026 11:30 pm Post subject: |
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| Thanks for that Alastair. I will look into it. |
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