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| | | Forums66 Topics128,052 Posts1,055,718 Members48,426 | | Most Online14,466 Apr 26th, 2026 | | AD Chevy Trucks Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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on the Internet for over 30 years! and not clogged down with Ads! Again, thanks! | | | | Joined: Feb 2011 Posts: 583 'Bolter | | 'Bolter Joined: Feb 2011 Posts: 583 | Were wood beds sealed on the bottom side? Or were they left unsealed so the wood could breathe? I have seen it both ways and I notice that the beds that have peeling problems were also treated on the bottom side.
1939 Chevrolet Stake Truck
| | | | | Joined: Aug 2006 Posts: 486 'Bolter | | 'Bolter Joined: Aug 2006 Posts: 486 | When I rebuilt my bed I sealed both sides but I've read somewhere that you should leave the bottom unsealed. Don't know what the factory did though.
'64 swb stepside (gone) '57 1 ton '53 phone truck '59 swb '46 1 1/2 ton '68 swb gmc
| | | | | Joined: Dec 2001 Posts: 14,522 Moderator: Welcome Centre, Southern Bolters, Legion Hall | | Moderator: Welcome Centre, Southern Bolters, Legion Hall Joined: Dec 2001 Posts: 14,522 | Its customary today to seal ALL sides and the ends especially by leaving the ends standing in a pan of the sealer overnight. Once any finish cracks it will let in moisture and then its over. Black looking cracks will start to appear.
Mar-K had some extensive testing on different finishes. Some of which may surprise you. Got to their site and check out their results.
Note, I do not know but I would think the factory only painted or finished the top to save time and money..... and I think the type of wood would also have something to do with it. Check out Mar-K and I think your questions will be answered. | | | | | Joined: Sep 2010 Posts: 252 Shop Shark | | Shop Shark Joined: Sep 2010 Posts: 252 | I have been a master carpenter for over thirty five years and we ALWAYS finished all wood on ALL sides to prevent warping. I would think the same logic would apply to bed boards. I am about to re-do my bed and intend to give all the boards at least seven coats of marine varnish on all sides. Check back in ten years and I'll you know how it went :-) | | | | | Joined: Sep 2006 Posts: 3,596 'Bolter | | 'Bolter Joined: Sep 2006 Posts: 3,596 | I finished both sides of mine I figured the bottom due to heat and exposure to road debris and elements needed some help. I never actually haul anything in my truck so don't expect much to get the top but sun exposure. | | | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | If you are going to seal the wood, all six sides of each plank should be carefully sealed.
If/when the seal is broken on any place on any board, you'll soon get cracking/checking in that board (from expansion/contraction) due to changes in moisture content.
| | | | | Joined: Jul 2011 Posts: 8 New Guy | | New Guy Joined: Jul 2011 Posts: 8 | Bought my first new stepside in 1962 and many more since then. The bed wood was always black. Even inside the holes was black which made me think it was just simply dipped in enamel. There were often dried drips here and there which also is indicative of dipping.
Gale Gorman Houston '54 3100 '67 C20
| | | | | Joined: Jul 2011 Posts: 8 New Guy | | New Guy Joined: Jul 2011 Posts: 8 | Bought my first new stepside in 1962 and many more since then. The bed wood was always black. Even inside the holes was black which made me think it was just simply dipped in enamel. There were often dried drips here and there which also is indicative of dipping.
Gale Gorman Houston '54 3100 '67 C20
| | | | | Joined: Nov 2009 Posts: 639 'Bolter | | 'Bolter Joined: Nov 2009 Posts: 639 | I did some work for a guy who had two NOS bed wood kits in his garage. He said when a Chevy dealership that his dad worked at closed down, his dad walked off with these boards. They are finished black on all sides and edges. They feel waxy and still look like new.
Last edited by twotone; 07/30/2011 1:29 PM.
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