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Tonneau cover for CarbonPro??

Joshua Pessin
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Commander769 Enthusiast

Commander769

Posted
Posted

Hi guys, new to the forum, have my 2020 AT4 carbon pro being delivered next week. With that I inquired with the dealer on tonneau cover options and the only one they provided was the $600 folding soft GM one. I ended up getting it for $400 with a Costco discount deal on the truck purchase, however they wanted $170 for installation. Seeing as I have a lot of time at home right now, I’m going to save the money and tackle it myself. Any tips/suggestions on installing the GM one? If it’s a pain, is it worth $170 for the install?

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TomCarbonPro
TomCarbonPro

Have installed a BakFlip MX4 on my GMC CarbonPro AT4.  Awesome vehicle.  Wanted a folding hard tonneau cover that exposed most/all of the bed.  This thread helped get me started.  From what I can tell

Mountain boy
Mountain boy

Never even seen a carbon pro thought it was a myth.

LDSierraAT4
LDSierraAT4

I was just informed that GM does have a tonneau cover for the CarbonPro Edition.   84791287 - Tonneau Covers, Short Bed Hard Tri-Fold Tonneau Cover for AT4 CarbonPro

Posted Images

ThreeMinions New Member

ThreeMinions

Posted
Posted
On 1/30/2020 at 9:54 AM, STKSUKS said:

I work for a Gm dealer and we came across this problem. We used a hole saw and cut the holes out nice and just clamped it in place. Just as I see a few on here have done. This is on a Extang Eceed cover. We figured that if a carbon pro box can with stand a hurricane wind 2x4 it can handle a hole and a clamp..

IMG_7586.jpg

This is what I’m planning on doing with a BakFlip G2, what size whole did you use ?

SierraKen New Member

SierraKen

Posted
Posted (edited)

Bought the LOMAX tri-fold hard cover for my 2020 Denali Carbon Pro and can honestly say I don’t like it. It showed up with scratches on the rails, no installation instructions at all, and doesn’t sit flush which will result in serious water leaking issues. Overall, it doesn’t look good when compared to my bakflip fiber-max I had previously on my 2016 F150. It has some very sharp edges that should have been rounded off during production and just seems flimsy. I paid over $900.00 shipped for this crap cover and regret buying it. I really hope decked produces a system for the carbon pro trucks, that’s really what I wanted and can honestly say I regret buying this carbon pro edition due to the limited bed accessories that are, and will be, available. 

565001D4-C0E9-4B3C-8555-8EFF3AC08CE2.jpeg

BD886554-D8A8-4074-8A90-D77AAA7A75A9.jpeg

9434B727-ACF3-4572-8116-257158510919.jpeg

BD2BF80B-56FE-4C16-9EA6-B3C036E0DBDE.jpeg

Edited by SierraKen
Add photos
GrandVader Enthusiast

GrandVader

Posted
Posted
On 5/2/2020 at 9:01 PM, SierraKen said:

Bought the LOMAX tri-fold hard cover for my 2020 Denali Carbon Pro and can honestly say I don’t like it. It showed up with scratches on the rails, no installation instructions at all, and doesn’t sit flush which will result in serious water leaking issues. Overall, it doesn’t look good when compared to my bakflip fiber-max I had previously on my 2016 F150. It has some very sharp edges that should have been rounded off during production and just seems flimsy. I paid over $900.00 shipped for this crap cover and regret buying it. I really hope decked produces a system for the carbon pro trucks, that’s really what I wanted and can honestly say I regret buying this carbon pro edition due to the limited bed accessories that are, and will be, available. 

565001D4-C0E9-4B3C-8555-8EFF3AC08CE2.jpeg

BD886554-D8A8-4074-8A90-D77AAA7A75A9.jpeg

9434B727-ACF3-4572-8116-257158510919.jpeg

BD2BF80B-56FE-4C16-9EA6-B3C036E0DBDE.jpeg

WOW....I almost pulled the trigger on that till I saw the clamp option so I hope the Rolver works out better.  I'm with you on the Decked system.  Been bugging them to come out with one on their IG page.  LOL

sensei New Member

sensei

Posted
Posted

Hi guys,

This is what my shop did to install a Bakflip MX4 cover on the Carbon Pro bed. I hope this will give you some ideas what it takes to install the covers on those trucks. Good luck! 
 

https://youtu.be/pKEdn_isVA8

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Peter Bittner Enthusiast

Peter Bittner

Posted
Posted

WeatherTech released their own hard cover tonneau for the carbon pro, it looks very similar to the Lomax posted above.  Mine just came today and I'm super happy with it, definitely nicer in my opinion when compared to the OEM soft cover.

20200522_121102.jpg

docdrew New Member

docdrew

Posted
Posted
On 4/11/2020 at 5:43 PM, Shawn Garneau said:

I bought the GM Tonneau...the one that they made for the carbon pro bed. It’s exactly what your looking for...trifold, solid...it’s very well made. You can open it from the back or the front. Nice locking mechanism. I actually had installed the extang solid fold on my carbon pro before GM had finished their cover. I used some metal zip ties to attach the solid fold to the eye hooks in the bed. It was fully functional. 

Hey Shawn, can you post some pics? I just bought the 2020 Sierra carbon pro and the dealership bought a tonneau cover from undercover without knowing it won't fit. I don't want to do any mods to the truck so I'd appreciate any pics of the gm hard fold one. 

GrandVader Enthusiast

GrandVader

Posted
Posted
43 minutes ago, docdrew said:

Hey Shawn, can you post some pics? I just bought the 2020 Sierra carbon pro and the dealership bought a tonneau cover from undercover without knowing it won't fit. I don't want to do any mods to the truck so I'd appreciate any pics of the gm hard fold one. 

Sorry to jumping into conversations; however, I just want to let you know that the GM cover will required you to drill to install the clamps.  If you want no modification to the CarbonPro bed, you might want to consider clamps from MWW1 and look at the BAKFlip covers as an option.  I installed a BAK RevelvorX4 on my CarbonPro and the fit is perfect.   

96022605_3576620132353590_4796145165754433536_n.jpg

96712717_3576620209020249_9095079143225163776_n.jpg

96511951_3576620475686889_7280179092404568064_n.jpg

96083072_3576620112353592_7751160391425589248_n.jpg

MWW1 - Cabon Pro Bed Clamp (2).pdf

Mountainbound Enthusiast

Mountainbound

Posted
Posted
On 5/27/2020 at 12:41 PM, GrandVader said:

Sorry to jumping into conversations; however, I just want to let you know that the GM cover will required you to drill to install the clamps.  If you want no modification to the CarbonPro bed, you might want to consider clamps from MWW1 and look at the BAKFlip covers as an option.  I installed a BAK RevelvorX4 on my CarbonPro and the fit is perfect.   

96022605_3576620132353590_4796145165754433536_n.jpg

96712717_3576620209020249_9095079143225163776_n.jpg

96511951_3576620475686889_7280179092404568064_n.jpg

96083072_3576620112353592_7751160391425589248_n.jpg

MWW1 - Cabon Pro Bed Clamp (2).pdf 269.55 kB · 16 downloads

Has your cover been water tight?  Make a drive across a rainy pass in the fall and would like the bed to stay mostly dry.

Mountainbound Enthusiast

Mountainbound

Posted
Posted
On 6/2/2020 at 8:13 AM, Bernardo Fanti said:

To be absolutely sure before I pull the trigger (brand new 2020 Sierra AT4 CarbonPro Duramax!), this is the WeatherTech that fits without modifications?

 

https://www.weathertech.com/gmc/2020/sierra-1500/alloycover/sierra-box-size-4th/short-box-69/bedside-storage-box-4/no/gm-carbonpro-bed/yes/?OrderItemId=2109600505

 

 Thanks!

Looks like the Weathertech and Lomax hard covers are identical.  I saw the concern about scratching with the Lomax.  Not sure if it was the urethane coated cover or the plain paintable cover.

Mountainbound Enthusiast

Mountainbound

Posted
Posted

Can't decide weather to be patient and see what else comes out for the carbon pro or pull the trigger on the OEM, Lomax or try to adapt one of the other covers you talented people have installed.  Hate drilling too many holes in the bed because usually my projects involve oops missed by that much. 

hackskier Enthusiast

hackskier

Posted
Posted

Access made a nice soft cover kit. Easy to install and no holes cut in the box.  You have to drill holes for 1/4” bolts on to pass through the plastic cap and it comes with a drilling jig so we don’t mess it up. 

GrandVader Enthusiast

GrandVader

Posted
Posted
5 hours ago, Mountainbound said:

Has your cover been water tight?  Make a drive across a rainy pass in the fall and would like the bed to stay mostly dry.

We haven't had a lot of rain here to determine the water tightness.  I did look from to indise and sealed any sections that had any light coming through.  The back of the tailgate had some seapage but nothing drastic that concerned me after washing my truck.  Overall, I am very happy with it.  

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