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-   -   Prep for Herculiner? (http://www.hotrodders.com/forum/prep-herculiner-120969.html)

bluebu 07-27-2007 06:53 AM

Prep for Herculiner?
 
I'm planning on using the roll on herculiner on my truck bed but the floor has some pretty heavy surface rust and areas where there is NO paint left. I'm unsure of the best way, beyond sanding, to prep it for the liner. Should I use some sort of rust treatment? Should I prime it? Do I need to paint it before I put on the herculiner? Sorry for my ignorance but all the instructions for applying this type of liner seem to assume that you have a nice new painted bed to start with.... :rolleyes:
Also, I really want this stuff to stick so any recommendations on a final sanding grit would be greatly appreciated! (This scuff it with a scotchbrite pad sounds WAY too simple.)
Thanks!

Ranchero_65 07-28-2007 10:32 PM

For the bed of my Ranchero I epoxy primed it with Kirker Euro Epoxy, then 2 days later Scuffed it good with 220 and applied Duplicolor bed liner. I brushed it on right heavy and let it set 30 min then took the textured roller and went over it again . Took about 1.5 gal . It really looks better than the pic shows.
http://www.ranchero65.com/pics/PA220219a.jpg

http://www.ranchero65.com/pics/PB050224a.jpg

How it will hold up ?? Don't know but don't expect to be hauling much in it and it will be covered all time .

bluebu 07-29-2007 05:34 AM

Thanks Ranchero! Yep, durability is a big question mark in my mind as well. I've heard horror stories about the roll on stuff peeling off after short periods of time. But then I've had other people tell me that their bed liners have been in for a while and are holding up super. I'm assuming....we all know what kind of trouble THAT can get you into....that the prep work they did, or didn't do, is what causes the difference.

This truck gets used quite a bit on the farm and it has to do double duty as the tow vehicle for our car trailer and our horse trailer so I'd like for it to look nice as well as protecting the bed from future abuse. That's one reason that I'm looking at the do it yourself liners rather than the pro sprayed variety. Being able to repair any damage to the bedliner myself as it occurs.

Did the Duplicolor not have as much texture as you wanted out of the can? Is that why you went back over it with a textured roller? Looks good in the photos, BTW.

This is an 88, old body style, GMC long bed. Everyone keeps telling me a gallon and a quart will do the whole thing but I have doubts about that being enough for really good coverage.

busterwivell 07-29-2007 07:44 AM

Interesting thread. I'm painting a pickup bed trailer, and just bought some herculiner for the bed yesterday. It was on sale for 69.99 at Checker (after rebate). Unfortunately, they told me one gallon would be enough. Guess I'd better go back and get more.
I've epoxy primed mine, and was just going to scuff it with a Scotchbrite, but I'll pay attention here for a while. Haven't got the shiny paint on yet, anyway.

Ranchero_65 07-29-2007 09:43 AM

Quote:

Originally Posted by bluebu
Did the Duplicolor not have as much texture as you wanted out of the can? Is that why you went back over it with a textured roller? Looks good in the photos, BTW.

Out of the can it does'nt have a lot of texture . Most bed liners get there texture from the Gun made for spraying them . I didn't have one of those guns and I was not going to buy one just for this job so I got the texture roller instead.

bluebu 07-30-2007 04:53 AM

All the makers seem to say that a gallon is enough to do a short bed and that a gallon and a quart will do a long bed. I'm still debating where to stop mine. Hubby wants me to wrap it up the sides and do the top of the bed rails instead of putting bed caps on it but I'm more inclined to only bring it up to the very top edge and go with the caps. Not sure how clean an edge I can get with tape but I'm also a little concerned that the extra thickness might effect the way the caps fit down on the rails. :confused:

Yep, buying a gun just to do one truck doesn't sound very cost efficient. lol Besides that this thing is a crew cab with a fresh paint job on the outside so...let's be honest...I'm too doggone lazy to mask off the whole truck just to spray a bedliner! I'd like to be able to brush or roll on anything, primer included, that I have to put on it just to avoid all that masking.

Cruzin90 07-30-2007 12:50 PM

You can go to Wallymart and buy a few cans of Krylon paint and paint your entire truck. Or, you can buy a professional paint job. Krylon and the professional paints are not the same products. Choose whatever fits your needs and budget.

You can go to Wallymart and buy Herculiner, Duplicolor, Durabak, or the other DIY bedliner products and paint yourself a bedliner. Or, you can go buy a professional spray-on bedliner. The DIY products and the professional spray-on bedliner products are not the same products. Choose whatever fits your needs and budget.

The DIY products are basically glorified paint with little rubber chunks in it. Duplicolor is manufactured by Sherwin-Williams. You will pay about $100 for a one gallon DIY kit. You will also need paper, tape, acetone, ScotchBrite or sandpaper, rubber gloves, etc. Professional bedliner brands typically spray about 4 to 4.5 gallons in a truck. The durability of the professional spray-ons is WAY better that the DIY products.

hotrod fozzie 07-30-2007 02:37 PM

Check out a product called durabak it is what i am going to use on my s10 when i get that far they give you more detailed instructions and will send you a free sample ! Looks more impressive than the store bought is about$ 99.00 for the kit
check it out may be another option for youcheck it out at durabak.com

bluebu 08-08-2007 05:57 AM

Well, I finally got the herculiner on this past weekend and it looks much better than I expected.

I ended up spending several days using naval jelly to get all the rust off the bed floor and then I sanded the whole thing with 80 grit before going back over it with 180 and a scotchbrite pad. The remaining paint in the bed was in pretty bad shape, not much shine left anywhere, so this was probably over kill but I was looking to get really good adhesion so... :rolleyes:

I ended up wrapping the front rail, all the way to the space between the bed and the cab, with the herculiner. But only did to the top edge of the rails on the sides and the tailgate. (Going to put black rail caps and a tailgate protector on those.) After the second coat and a touch up session I ended up with less than a cup of herculiner left over. This was a long bed so I'd purchased the gallon kit and one extra quart.

A couple of notes...it was hot and humid so the only real issue I had with the application was that the product was drying a little too fast. Had to spend some extra time and attention to not get a noticeable line between the seams and corners where it was brushed on and the rolled sections. I've seen this stuff applied where there was a visible "line" around all the seams and it just screams roll on job so I didn't want that. I found that staggering the width of the cut in seams and being careful to only roll to them rather than over them did the trick. Cut in about 4" on the first coat, out from either side of the seam, and only 2" on the second coat. That took care of it.

The only other thing I learned it that you really need to remove your tape line pretty quickly after the second coat. If the product gets too dry it's tougher than the tape and the tape will want to tear. If it gets to that point you can simply apply a little more herculiner to the edge and it will re soften all the layers making it possible to pull the tape up cleanly.

All in all it was just like any paint job.....prep was 90% of the battle. The actually painting part was fairly easy but rather messy. Only time will tell how well it holds up. I'm really pleased with the results but now I have to go chisel the bedliner out from underneath my nails. :D

Cruzin90 08-08-2007 07:29 AM

We stripped out three bedliner products last month. Two of them were DIY products. One was in a Hummer, the other in a truck. If you expose your DIY to the sun, they will tend to fade and deteriorate. Here are the pics of the DIY stuff:
http://img.photobucket.com/albums/v4...e/GrayExt3.jpg

http://img.photobucket.com/albums/v4...e/GrayExt2.jpg

Hummer:
http://img.photobucket.com/albums/v4...ne/Hummer1.jpg

Here's an after pic with LINE-X with Xtra (resists fading and loss of gloss). Keep it in the sun all you want, it will retain its color.
http://img.photobucket.com/albums/v4...ne/Hummer4.jpg


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