Black Marking on Garage Door Lock

Dec 2, 2010
928
1,771
Hollywood, Birmingham.
Funster No
14,595
MH
A Class Laika
Exp
Since 2011
The gasket around the door lock is leaching colour, is there a way of preventing this? I am not sure if replacing the gasket would be a solution in that a new one would also leach colour.
I would be grateful for any advice.
Mike
IMG_20180214_103002735.jpg
 
Feb 8, 2014
1,555
2,439
Sheffield
Funster No
30,022
MH
Eldis Majestic 115
Exp
Vans and tugs since mid 70's
Looks like similar lighter marking above the lock? new seal should sort.
 
OP
quickweh
Dec 2, 2010
928
1,771
Hollywood, Birmingham.
Funster No
14,595
MH
A Class Laika
Exp
Since 2011
Looks like similar lighter marking above the lock? new seal should sort.
Thanks, checked with Southdowns and they only supply the lock complete with gasket. May try spraying the gasket with lacquer or replace with a large 'O' ring.

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Glandwr

Banned
Jul 10, 2014
1,057
3,301
the Berwyn Mountains
Funster No
32,350
MH
Hymer S740
Exp
since 2009
You could cut one out of an old bike inner tube. Very handy things, everyone should have one in their garage :D. Should be able to get one free from your local friendly bike repair shop.
 

ymfb

Free Member
Jun 16, 2017
799
6,365
Salisbury
Funster No
49,040
MH
AS Kingham
Exp
Since 2009
Use a different material for the gasket as the present one is breaking down and will leak sooner or later.

You need to determine the thickness, before you buy then get something that is suitable for outside use.

If you can find a gasket maker, they will I’m sure sell you a square metre. At work we use Camthorne at Stoke on Trent
 
Oct 9, 2017
337
716
Wisbech
Funster No
50,897
MH
2007 Hymer B654
Exp
Since 2005
There is some staining above the lock also, so nothing to do with the gasket. The shape of the lock looks to be concentrating the flow from above to the outer bottom corners. Some leaching may be coming out of the rubber gasket, or could be coming off the lock itself. I would give it all a good clean up and then put a few layers of good wax polish above and below the lock so that any run-off would be less prone to leaving a black stain. There may be a product on the market that could be brushed onto the rubber to seal it. I would, certainly at this stage, leave the gasket alone.

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Jul 5, 2013
9,925
10,471
Tunbridge Wells
Funster No
26,797
MH
A class
Exp
Since 2013
Not sure that the gasket is doing the leaching, unless water can travel uphill by itself. Looks more like the usual grey streaks coming of the roof and accumulating where the flow of water down the wall when it rains slows down, i.e. above and below an obstruction
 

Lenny HB

LIFE MEMBER
Oct 18, 2007
32,469
61,808
On the coast in West Sussex
Funster No
658
MH
Hymer B678 Dynamic Line
Exp
Since 2008 & many years tugging
I'm not sure if its the gasket also. If you want to replace it, remove the gasket put a 1-2mm bed of Silicon RTV (room temperature vulcanising) compound on the surface after refixing excess can be wiped off with white spirit. RTV Silicon is used instead of gaskets when rebuilding engines, Pacer Pro Seal is one of the best brands, avalible at most auto factors and accessory shops or on eBay.
 

Ambilkate

LIFE MEMBER
Jul 15, 2009
8,391
14,461
Shropshire
Funster No
7,509
MH
HYMER 654
Exp
since 2006
Bill thinks it could be that gasket breaking down, Bills just cleaned all our black streaks with the elbow grease solution £1 from pound land.
Kate

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