Rubberized coating on chassis?

Nanotech Environmental · May 19, 2020

12 hours ago, WilliamBos said:

Get it Krowned now, then a salt eliminator wash each spring. Best money spent.

The wax that GM uses is useless at rust protection in our climate.

IMHO, If you wait til spring, you've waited too long. The road salt should be removed regularly thru the winter with a thorough spray down with water.
Salt eliminator from is a waste of $$, IMO. It's just mostly water and a tiny amount of ethylene glycol. IMO, you're better off to just use plain water.

Nanotech Environmental · May 19, 2020

On 5/17/2020 at 3:52 PM, Demi X31 said:

My 2020 Elevation has a rubberized coating on the chassis. Cursory Google searches turned up the usual it's the best/it's the worst. Not certain if it is applied elsewhere as I haven't really looked.

My 2017 Silverado had a dealer installed 10 year inspection free rust proof coating, which was great. Dries solid, no dripping. The dealer offer this for $999.

I am not a fan of the oil sprays like Krown.

So, what do I have on there already and should I consider anything else?

Appreciate your thoughts.

Cheers

Your 2017 most likely had an asphalt based product applied. I have this on my 2017. It's a good product, but it's far from inspection free. You have to inspect it at least 2x per year and touch up as needed. It gets damaged from hoist pads, water spray in the wheel well areas, leading edges, and other locations. The surface rust has to be removed from the damaged areas and the coating re-applied.

You still need to inspect the body panels, rockers, tailgate, box sides etc. and re-apply a good creeping oil spray on a regular basis.
The $999 price tag on that coating is supposed to provide a warranty as well, but that warranty is not likely to be honoured if there's a problem. Also, on mine, when the dealer applied it, I had to get them to do it twice, as the installer was lazy and didn't do many critical areas.
I do the semi-annual inspections and touch-ups myself, as then I know it's done right.

The factory frame wax on your '20 will not last more than 1-2 yrs in Ontario. It's really only designed to protect the frames for manufacturing, assembly, delivery and time in the dealer lot. It's not designed for actual vehicle use in the salt belt.

Demi X31 · May 19, 2020

1 minute ago, Nanotech Environmental said:

Your 2017 most likely had an asphalt based product applied. I have this on my 2017. It's a good product, but it's far from inspection free. You have to inspect it at least 2x per year and touch up as needed. It gets damaged from hoist pads, water spray in the wheel well areas, leading edges, and other locations. The surface rust has to be removed from the damaged areas and the coating re-applied.

You still need to inspect the body panels, rockers, tailgate, box sides etc. and re-apply a good creeping oil spray on a regular basis.
The $999 price tag on that coating is supposed to provide a warranty as well, but that warranty is not likely to be honoured if there's a problem. Also, on mine, when the dealer applied it, I had to get them to do it twice, as the installer was lazy and didn't do many critical areas.
I do the semi-annual inspections and touch-ups myself, as then I know it's done right.

The factory frame wax on your '20 will not last more than 1-2 yrs in Ontario. It's really only designed to protect the frames for manufacturing, assembly, delivery and time in the dealer lot. It's not designed for actual vehicle use in the salt belt.

There's a Mr Lube in Hamilton that does a dripless, Vaseline like undercoating that hardens up. My buddy swears by them. For $120, I'll try it.

WilliamBos · May 19, 2020

1 hour ago, Nanotech Environmental said:

IMHO, If you wait til spring, you've waited too long. The road salt should be removed regularly thru the winter with a thorough spray down with water.
Salt eliminator from is a waste of $$, IMO. It's just mostly water and a tiny amount of ethylene glycol. IMO, you're better off to just use plain water.

Salt eliminator is not a waste, it’s only $19 if you book with Krown rustproof. Unless you have a hoist that you can put your truck up on to rinse underneath, Krown is a deal.

Many car wash that offer the chassis rinse filter the grey water, you are washing under with salt water, filters do not get it all out.

I wash my truck year round, blast out wheel wells and such, and park outside.

Nanotech Environmental · May 19, 2020

2 hours ago, WilliamBos said:

Salt eliminator is not a waste, it’s only $19 if you book with Krown rustproof. Unless you have a hoist that you can put your truck up on to rinse underneath, Krown is a deal.

Many car wash that offer the chassis rinse filter the grey water, you are washing under with salt water, filters do not get it all out.

I wash my truck year round, blast out wheel wells and such, and park outside.

Keep in mind, it's just my opinion about the salt eliminator. To each his own, but if you're spraying out your vehicle as you say, you may be getting it applied where there isn't any salt, as you would have already rinsed it away from regular washing. Just my thoughts.....
Not all car washes filter water & All rinse water from car washes is clean water. If it is as you say, you'd have white/gray residue all over your vehicle when it dries & vehicles would be rusting away much faster for those that regularly wash their vehicles in the winter. It's usually only newer car washes that use reverse osmosis to filter (and re-use) some of the water they use.

Personally, I wash & rinse mine each sunny warmer day in the winter at the local do-it-yourself place. The guns are flexible so you can aim them up underneath the vehicle. I then check under it in the spring and do any maintenance as needed. I don't have a hoist. I just use a couple ramps.