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Another wood bed question

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Old Sep 12, 2007 | 03:43 PM
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Another wood bed question

Is there any reason that I shouldn't use a waterproofing additive like a Thompson's Water Seal on the wood in the bed of my daily driver?
 
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Old Sep 14, 2007 | 12:32 AM
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Sounds like there are no reasons not to. We'll see how it goes.
 
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Old Sep 14, 2007 | 08:13 AM
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Depending on what kind of wood you have (stock is oak) and whether it has been previously painted or sealed or urethaned, Thompson's is a good bet. Actually their Wood Protector (different than the Sealer) is good for UV protection. It can be periodically replenished which is an advantage. Some people use tung oil or danish oil. If the wood has been painted or urethaned in the past, a non-hardening finish like Thompsons probably isn't going to penetrate very well and may lift the old finish.
 
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Old Sep 14, 2007 | 08:18 AM
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AlbF1 has it correct. The only thing I would add is when finishing any wood it is important to finish all sides of the board equally to reduce the likelyhood of swelling and cupping.
 
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Old Sep 14, 2007 | 09:05 AM
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I apply super deck to the bed of my driver once a year, i just park on the gravel and apply one heavy coat top and bottom each summer, after the moisture dries out from wet Oregon winters.
my bed wood is not pristine, it has a dark patina. This stuff works well as a preseritive, much better than Thomsons... But not for a show truck....

http://www.superdeck.com/
 
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Old Sep 14, 2007 | 03:23 PM
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Thompson's peeled on my wood deck after one year. Would not use it IMO.
Why not Marine Varnish? Worked for my 55.
 
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Old Sep 14, 2007 | 09:49 PM
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I think they are different type of products... The "super deck" is a blend of oils and preservitives that soaks in and never forms a coating like a urathane or varnish.. Marine varnish seems an excellent choice for new or refinished wood, but my older bed needed a preservative. My truck sits in the rain 9 months of the year....
 
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Old Sep 14, 2007 | 10:32 PM
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Originally Posted by fking1
Thompson's peeled on my wood deck after one year. Would not use it IMO.
Why not Marine Varnish? Worked for my 55.
Which Thompsons product? None of them I know form a finish that could peel. They are all oils. Are you sure the Thompsons didn't lift an earlier coating?
 
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Old Sep 14, 2007 | 10:50 PM
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Thats what I was wondering too... Someone mentioned a different type of thompsons?
 
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Old Sep 15, 2007 | 11:31 AM
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Originally Posted by ALBUQ F-1
Which Thompsons product? None of them I know form a finish that could peel. They are all oils. Are you sure the Thompsons didn't lift an earlier coating?
First apply was on bare Cedar. It sort of came off in spots, like flaking. Second was the high grade Thompsons after power washing the deck. Same result.
Have Cabot oil base on now and is looking good. Used marine varnish on raw oak bed boards. Has been on 20 years and looks like new.
 
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Old Sep 16, 2007 | 12:35 AM
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There is a lot of great information in here - thank you everyone.

I may try the Superdeck. They have a distributor near me.

I definitely don't want any sort of varnish.
 
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Old Sep 16, 2007 | 12:02 PM
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My 25 year old oak bed with Urethane Varnish.
 
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Old Sep 16, 2007 | 12:33 PM
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Originally Posted by ALBUQ F-1
Depending on what kind of wood you have (stock is oak) and whether it has been previously painted or sealed or urethaned, Thompson's is a good bet. Actually their Wood Protector (different than the Sealer) is good for UV protection. It can be periodically replenished which is an advantage. Some people use tung oil or danish oil. If the wood has been painted or urethaned in the past, a non-hardening finish like Thompsons probably isn't going to penetrate very well and may lift the old finish.
Just a note here: oak wood was not the stock wood used in our trucks. It was Northern Yellow Pine, which was a slow growth hard wood.

I used red oak on my bed 9 years ago and put a spar urethane varnish on it, 3 coats. It had some kind of sunlight inhibitor in it, also.

I would not use Thompsons water seal. Look at your fneces and decks that we put Thompsons on around the house....
 
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