05-26-2020, 10:59 AM | #1 |
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Cab Floor seam sealer
Recently I purchased the full replacement floor for my 68 from AMD through Nsane Parts. I am 95% certain I am going to sandblast the ecoat off and epoxy prime. The ecoat does not transfer when I rub it aggressively with Lacquer Thinner, however the ecoat blasts off rather easily. My main question is once I epoxy prime it, I am going to put raptor liner on the underdside. Will the raptor liner be enough or should I use a seam sealer where all the panels meet?
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Keagan 68 SWB C-10 original 350 A/C 503 Mean Green |
05-26-2020, 12:30 PM | #2 |
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Re: Cab Floor seam sealer
The raptor would probably seal it , but if mine I would blast, epoxy,seamseal,epoxy over that,then raptor
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Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver |
05-26-2020, 01:04 PM | #3 |
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Re: Cab Floor seam sealer
That was roughly my plan, but putting a coat of epoxy over the seam sealer is probably a good idea to seal it all, then put the raptor on. Do you have a suggestion for seam sealer? Thanks.
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Keagan 68 SWB C-10 original 350 A/C 503 Mean Green |
05-26-2020, 01:23 PM | #4 |
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Re: Cab Floor seam sealer
I used 3m brand that fits a standard caulking gun on mine
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Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver |
05-26-2020, 03:06 PM | #5 |
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Re: Cab Floor seam sealer
Clean up the panels. Put 2 coats of Rusbullet and as soon as a 2nd coat dries put a tack coat of the raptor and follow it up with a full coat of raptor. That creates an airtight seal that will last for many years Be sure to use the silver formula and not the black
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05-26-2020, 03:54 PM | #6 |
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Re: Cab Floor seam sealer
Thanks Lupo, I have already purchased my epoxy and will use it as I have sprayed it several times and really like the finished product. I purchased the gallon epoxy and the gallon of activator, so two sprayable gallons means I can put on several coats.
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Keagan 68 SWB C-10 original 350 A/C 503 Mean Green |
05-26-2020, 04:03 PM | #7 |
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Re: Cab Floor seam sealer
Okay that should do the job. I have a tendency for overkill
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05-26-2020, 09:40 PM | #8 |
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Re: Cab Floor seam sealer
Epoxy primer is only effective if applied to bare metal, so put your Raptor right over the seam sealer.
Just a thought... why not just paint it instead of urethane bed liner? It's cheaper (single stage vs Raptor), it's far easier to apply, far less mess and can be removed on purpose a whole lot easier than bed liner. Bedliner is not good for sound deadening if that's what you're after. No harm in putting bedliner under your truck but I don't see the benefit. Your truck, you do what you want.
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So when is this "Old enough to know better" supposed to kick in? My 1959 GMC build thread http://67-72chevytrucks.com/vboard/s...d.php?t=686989 |
05-26-2020, 10:14 PM | #9 |
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Re: Cab Floor seam sealer
Raptor liner specifies in the instructions (do not apply over exposed or uncoated seam sealer)
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Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver |
05-26-2020, 11:07 PM | #10 | |
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Re: Cab Floor seam sealer
Quote:
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Keagan 68 SWB C-10 original 350 A/C 503 Mean Green |
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06-29-2020, 01:27 PM | #11 |
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Re: Cab Floor seam sealer
I have finished blasting/epoxy priming my cab floor. Looking for some insight on where to apply the seam sealer. In the below picture I will seam seal where the red lines are. I do have a question about the red arrows. There is a bit of a gap there, and am unsure how easy it would be to fill, or if i need to fill it at all?
Floor pics: Gap at rear of floor, note the fuel line pass through hole. Should I attempt to seam seal this gap?
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Keagan 68 SWB C-10 original 350 A/C 503 Mean Green |
06-29-2020, 02:19 PM | #12 |
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Re: Cab Floor seam sealer
Probably wont hurt anything..that crossmember has drain holes in the bottom of it..so your really not sealing anything
You may want to shoot cavity wax in that crossmember ..
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Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver |
06-29-2020, 02:36 PM | #13 |
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Re: Cab Floor seam sealer
Thanks Greg. I will look into putting cavity wax in there as well as the other supports that may need it. Hoping to get another 50 years out of this floor.
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Keagan 68 SWB C-10 original 350 A/C 503 Mean Green |
07-09-2020, 08:00 PM | #14 |
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Re: Cab Floor seam sealer
After epoxy, I caulked seams with polyurethane caulk. ( Sika Flex 1A) Tried to leave drain holes open, then sprayed Raptor liner over top.
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http://67-72chevytrucks.com/vboard/s...d.php?t=635605 Last edited by notsolo; 07-09-2020 at 08:02 PM. Reason: add pic |
07-09-2020, 09:08 PM | #15 |
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Re: Cab Floor seam sealer
Nicely done. Mine looks similar on the seam sealer. I put epoxy over the seam sealer once it cured for 24 hours, but am waiting to put my raptor on until I have my floor in. Did you have to do any lower A or B pillar work?
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Keagan 68 SWB C-10 original 350 A/C 503 Mean Green |
07-10-2020, 01:40 PM | #16 |
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Re: Cab Floor seam sealer
No, cab was surprisingly solid....someone undercoated it. Old undercoating was flaking, removed it, down to original primer. Then recoat........Same here trying to make it last another 50 yrs.
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