I had good luck with the non commercial type of spray in liners. If you have air compressor you can buy a $25 rust proffing gun to spray it. Its hard to get it even when rolling it on and it is not very thick. I used to work at a delaership and we used some stuff made by SEM. The only prep was to scuff the paint with a scotch brite pad but on a used truck I would try anf get some of the rust and loose paint off and prime the bare metal.

 

I used some SPI bedliner brushed it on and back rolled it a cab of a truck and that worked well..of course you can get the special gun from SPI and use that if you wish..

Sam

 

I just put the Raptor liner from u-pol in mine. Not real sure on long term quality but it appears it should hold up. My FIL put on his a few months ago and it still looks good but has only had light use.

Was pretty easy to put on and my air compressor only cycled once with each coat (60G single stage). I did as much as I could with 120 on a DA and then hit the rest with a scotchbrite pad.

You can see what my bed liner looks like in the album attached below.

http://www.dropbox.com/gallery/22543936/1/silverado?h=dea4c7

 

I would use SPI http://www.southernpolyurethanes.co...n awesosme product at a fair price with the absolute greatest customer service.

 

Going with SPI, and I will buy there GEO gun to spray it. I will also buy a gallon or 2 of epoxy while I'm at it. gonna need some for my rat rod, and I think, if I DA sand the bed down, as well as some hand sanding, then spray with epoxy, I think it will make a perfect base for the Bedliner. Have to finish building the deck first, and a few other things, but this is on the next to do list for my truck

 

How thick should this stuff be? I see reference to 25 mils being what a lot of offroaders use, but, it seems 6-10 mils thickness would be more than enough. I just counted 10 sheets of std weight paper ( 1 mil thickness ) and that's pretty thick..

 

I used some SPI bedliner brushed it on and back rolled it a cab of a truck and that worked well..of course you can get the special gun from SPI and use that if you wish..

Sam

this sounds interesting
did it work well enough, you would do it again???
or should a guy pony-up for the gun???

 

If I were to do the floorboards in a work truck or a jeep or any small area brushing the bedliner on and back rolling with a toilet bowl roller works well..for larger areas like a truck bed spraying works well..

Sam