Wood Bed UV resistant - The 1947 - Present Chevrolet & GMC Truck Message Board Network

rchdrm · 03-25-2009, 10:14 AM

Last summer my son and I installed an oak wood bed in the back of the 68. We sanded it smooth and treated it with 2 coats of stain and 3 coats of UV resistant polyurthane.
Guess what. It was not so UV resistant.
We are about to start over with sanding and staining but I want feedback on what people have used to keep their wood floors glossy and looking new.

Thanks

**special-K** · 03-25-2009, 10:24 AM

No polyurethane is good in the hot sun.The inside of the bed cooks.I prefer oils that don`t form a skin but seal the wood.The sun still leaches it out but you just brush more on.

HuggerCST · 03-25-2009, 10:26 AM

http://www.mar-k.com/final_summary.html
I used Minwax Helmsman Spar Urethane, but haven't had it out in the weather much.

Green Machine · 03-25-2009, 02:03 PM

Check the Mar-k website, they did some tests on various finishes, short version is that nothing holds up too well except paint. We need to redo our 68 also, I agree with special-k in that we used an oil finish, no film to come off, I think we used Penofin marine deck finish. Been 4 years but it needs redone too.

cdowns · 03-25-2009, 02:08 PM

rich guys with wooden yachts maintain thier wood finish constantly to keep it looking good

ChevLoRay · 03-25-2009, 02:40 PM

Oiled, solid Teak should stand up well in the weather.....cypress may do well, too. Don't know what you'd treat the cypress with to make it comparable to the teak.

Sammy · 03-25-2009, 07:35 PM

Try a marine supply. Best bet would be the Marine Stuff. Made to with stand salt water and sun. May have to do it every few years.

stllookn · 03-25-2009, 07:52 PM

Buy a book titled "Brightwork - The Art of Finishing Wood" by Rebecca J. Wittman. It is an excellent history of wood finishing and techniques. It will tell you exactly how and what to use to get a long lasting durable and practical finish for wood that is exposed to the weather. I have done brightwork on yachts and love this book. It will tell you how to get the most incredible finish on your wood for a show truck quality finish.

MAR-Ktech · 03-25-2009, 09:16 PM

Quote:

Originally Posted by rchdrm

Last summer my son and I installed an oak wood bed in the back of the 68. We sanded it smooth and treated it with 2 coats of stain and 3 coats of UV resistant polyurthane.
Guess what. It was not so UV resistant.
Thanks

Would you care to share what product was used and how much exposure it has had to sun and moisture? We always are interested in finding out how well our tests compare to real world experiences.

Also, Green Machine is exactly right. The test boards have been in the weather for 4 years 24-7 and the painted boards still look great and all the natural finishes have long since failed.

Mar-Ktech

**special-K** · 03-25-2009, 10:02 PM

one thing to realize is the inside of a truck bed gets alot hotter than the ambient temp.It`s like heat pit.It can be 50% hotter inside there.When it comes to poly finishes I use helmsman and not too shy on the coats.You just have to stay on it.I use a tonneau cover.

03-25-2009, 10:14 AM	#1
rchdrm The start of the $ pit! Join Date: Jul 2005 Location: garland, Tx Posts: 153	Wood Bed UV resistant Last summer my son and I installed an oak wood bed in the back of the 68. We sanded it smooth and treated it with 2 coats of stain and 3 coats of UV resistant polyurthane. Guess what. It was not so UV resistant. We are about to start over with sanding and staining but I want feedback on what people have used to keep their wood floors glossy and looking new. Thanks

03-25-2009, 10:24 AM	#2
special-K Special Order Join Date: Nov 2004 Location: Mt Airy, MD Posts: 85,851	Re: Wood Bed UV resistant No polyurethane is good in the hot sun.The inside of the bed cooks.I prefer oils that don`t form a skin but seal the wood.The sun still leaches it out but you just brush more on. __________________ "BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~

03-25-2009, 10:26 AM	#3
HuggerCST Registered User Join Date: Jul 2001 Location: North Louisiana Posts: 4,501	Re: Wood Bed UV resistant http://www.mar-k.com/final_summary.html I used Minwax Helmsman Spar Urethane, but haven't had it out in the weather much. __________________ Wynne 70 CST short fleet Hugger orange & white, 350/350, ps, pb, air, tilt, tach/vac/speedwarning, original buckets, AM/FM, oak bed floor, shoulder belts, 3.5"/5.5" drop, 20" American Racing VN425s. Build thread 53 Chevy shortbed 69 Camaro Click here to subscribe Chevy GMC International Truck Club Louisiana Charter Member http://www.louisianaclassictruckclub.com Last edited by HuggerCST; 03-25-2009 at 10:28 AM.

03-25-2009, 02:03 PM	#4
Green Machine Senior Member Join Date: Jul 2004 Location: Estherville, Iowa Posts: 3,371	Re: Wood Bed UV resistant Check the Mar-k website, they did some tests on various finishes, short version is that nothing holds up too well except paint. We need to redo our 68 also, I agree with special-k in that we used an oil finish, no film to come off, I think we used Penofin marine deck finish. Been 4 years but it needs redone too. __________________ 1968 C10 307 3spd Long Fleet ------ http://67-72chevytrucks.com/vboard/s...d.php?t=201103 1970 C10 305 Super T10 Long Fleet --- http://67-72chevytrucks.com/vboard/s...d.php?t=202285 1971 C20 383 TH350 Dana Posi ----- http://67-72chevytrucks.com/vboard/s...d.php?t=206894 2001 GMC Sierra 1500 C3 6.0

03-25-2009, 02:08 PM	#5
cdowns Senior Member Join Date: Jan 2003 Location: daytonabeach Posts: 22,956	Re: Wood Bed UV resistant rich guys with wooden yachts maintain thier wood finish constantly to keep it looking good __________________ 71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY

03-25-2009, 02:40 PM	#6
ChevLoRay Old Skool Club Join Date: Jun 2001 Location: Benton, AR "The Heart of Arkansas" Posts: 10,880	Re: Wood Bed UV resistant Oiled, solid Teak should stand up well in the weather.....cypress may do well, too. Don't know what you'd treat the cypress with to make it comparable to the teak. __________________ Member Nr. 2770 '96 GMC Sportside; 4.3/SLT - Daily driven....constantly needs washed. '69 C-10 SWB; 350/TH400 - in limbo The older I get, the better I was. Last edited by ChevLoRay; 03-25-2009 at 02:40 PM.

03-25-2009, 07:35 PM	#7
Sammy Registered User Join Date: Apr 2000 Location: Bonne Terre, Mo Posts: 3,005	Re: Wood Bed UV resistant Try a marine supply. Best bet would be the Marine Stuff. Made to with stand salt water and sun. May have to do it every few years. __________________ '69 Chevy Long Fleet & '71 GMC Short Step & Project "ODD BALL" "You can wash a pig, soak it in most expensive perfume. In the end it is still just a pig." ODD BALL build thread http://67-72chevytrucks.com/vboard/s...d.php?t=478629"

03-25-2009, 07:52 PM	#8
stllookn Saving 1 truck at a time! Join Date: Aug 2001 Location: Kent, WA Posts: 6,465	Re: Wood Bed UV resistant Buy a book titled "Brightwork - The Art of Finishing Wood" by Rebecca J. Wittman. It is an excellent history of wood finishing and techniques. It will tell you exactly how and what to use to get a long lasting durable and practical finish for wood that is exposed to the weather. I have done brightwork on yachts and love this book. It will tell you how to get the most incredible finish on your wood for a show truck quality finish. __________________ '68 C20 Longhorn 50th Anniversary 400/TH400 '68 C20 Longhorn 50th Anniversary 468/TH400w/buckets '72 C20 Halfhorn (Longhorn w/o cab and front clip) '69 Flxible Cruiser (look up ugly in the dictionary) Last edited by stllookn; 03-25-2009 at 07:56 PM.

03-25-2009, 10:02 PM	#10
special-K Special Order Join Date: Nov 2004 Location: Mt Airy, MD Posts: 85,851	Re: Wood Bed UV resistant one thing to realize is the inside of a truck bed gets alot hotter than the ambient temp.It`s like heat pit.It can be 50% hotter inside there.When it comes to poly finishes I use helmsman and not too shy on the coats.You just have to stay on it.I use a tonneau cover. __________________ "BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~



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