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06-24-2016, 07:33 AM
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#1
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Member
Join Date: Jan 2016
Location: Jerome
Posts: 61
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Coroplast fasteners
I noticed the other day while crawling under my RV that the fasteners used to attach the coroplast (Hope that's the correct name)to the frame are powder actuated pin fasteners! (Not screws) Does anyone have this as well or am I the only RV that has them. Looks like I wont be accessing behind it anytime soon!
On another note; I really enjoy this site for all the questions and answers. Love to read all the posts!!!
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06-24-2016, 08:06 AM
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#2
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,997
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I've never seen a Keystone with that type of fastener on the coroplast, and I've been under a bunch of them..... Those fasteners are used to fasten the flooring to the frame and, in some fifth wheels, to fasten the aluminum superstructure to the frame outriggers and upper decking, but I've never seen them used as you indicate. Come to think about it, there's no way to gauge how tight they push into the coroplast and being plastic, it has a tendency to break when squeezed too tight. That would be a fairly unreliable way to secure the coroplast sheeting.
__________________
John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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06-24-2016, 09:19 AM
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#3
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Member
Join Date: Jan 2016
Location: Jerome
Posts: 61
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I was thinking the same thing. We have used these type of fasteners in my work. The fasteners do have washers under them to help for support, but I still find it odd that they used these!
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06-24-2016, 09:31 AM
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#4
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,356
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I am starting to see them more often. Since the outback is the only Keystone we carry at my present job I can't say I've seen them on Keystone trailers.
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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06-24-2016, 09:48 AM
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#5
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Member
Join Date: Jan 2016
Location: Jerome
Posts: 61
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Our RV is a 2016 Carbon 347. I have never ran across this on any other RV's, and I've been under a few. Maybe it's something new Keystone is starting to use. I can see the benefit for speeding up the build process, but not for access later. Seems like it would be a chore if it had to be removed for warranty reasons!
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06-24-2016, 12:16 PM
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#6
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Senior Member
Join Date: Dec 2015
Location: Ocean Isle Beach
Posts: 1,431
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Quote:
Originally Posted by JRTJH
I've never seen a Keystone with that type of fastener on the coroplast, and I've been under a bunch of them..... Those fasteners are used to fasten the flooring to the frame and, in some fifth wheels, to fasten the aluminum superstructure to the frame outriggers and upper decking, but I've never seen them used as you indicate. Come to think about it, there's no way to gauge how tight they push into the coroplast and being plastic, it has a tendency to break when squeezed too tight. That would be a fairly unreliable way to secure the coroplast sheeting.
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I used power activated pins for decades. Hilti tools and pins are the best. They make sever power charges. I have used them going into wood and even steel beams. I very low charge and wide plastic washer could possibly work in this application. However, cost of a single charge and pin can be as high as $1 each which would be cost prohibitive. Additionally, a pin going into concrete or in this case steel becomes a real chore if ever needs removed. There are many different ways that makes more sense.
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2022.Montana 3855 BR
2019 F350 6.7 4X4 DRW
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06-24-2016, 01:25 PM
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#7
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Senior Member
Join Date: Apr 2011
Location: Arrey,
Posts: 2,368
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Howdy All;
Interesting use of the fasteners, googled them and found this;
http://www.powers.com/pdfs/catalogs/..._powder_hi.pdf
Need to look down to pg. 12 before you read anything about Steel.
Still intrtrsting though.
hankaye
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Striving for a less complicated life since 1949 ...
Home: 2008 Cougar 278 RKS
T.V.: 2004 F-250 4X4, Level III BulletProofed , Detroit Tru-Track Differential (915A550)
Dog: 2006 Border Collie (Rascal) aka Maximum fur dispersal unit. (08/04/2006 - 12/16/2017) RIP.
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06-27-2016, 02:51 AM
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#8
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Senior Member
Join Date: May 2015
Location: Near Saratoga Springs,
Posts: 1,131
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Are they actually a Hilti type powder fastener or just big pop rivets with a special large binding head for Coroplast? I would think that a powder fastener would be cost prohibitive for the usual 'less cost is better' RV manufacturer plus open them up to possible legal problems by employees or maintenance facilities using them incorrectly.
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06-27-2016, 10:36 AM
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#9
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Senior Member
Join Date: Apr 2015
Location: Stafford, CT.
Posts: 269
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My Montana has them. I was surprised they were not screws as well.
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Jason & Wendy
2014 F350 Lariat 6.7L PSD
2015 Keystone Montana 3711FL
B&W Patriot 16k fifth wheel hitch
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06-27-2016, 01:33 PM
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#10
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Senior Member
Join Date: Jul 2013
Location: Liberty, Texas
Posts: 5,036
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So how do you remove them to access behind the chloroplast?
I'm thinking I would be using a die grinder and going back with self drilling self tapping screws with washers.
What are they thinking? Makes no sense.
I will say...that is one good salesman.
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2018 Ram 3500 Laramie CC DRW LWB 4X4 Cummins Aisin 3.73
Reese Goosebox 20K
2018 Heartland Landmark 365 Oshkosh
2008 Bigfoot 25C9.4 LB Cabover
2023 CanAm Defender SXS
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06-27-2016, 05:32 PM
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#11
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Senior Member
Join Date: Jul 2015
Location: Texarkana, TX
Posts: 1,052
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It makes sense if you're trying to go fast during assembly. Using those self tapping screws, it takes a while to get through the frame and more than a bit of pressure...
Good for fast assembly. Not good for future usability...
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06-27-2016, 06:31 PM
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#12
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,356
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Quote:
Originally Posted by gearhead
So how do you remove them to access behind the chloroplast?
I'm thinking I would be using a die grinder and going back with self drilling self tapping screws with washers.
What are they thinking? Makes no sense.
I will say...that is one good salesman.
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You guessed it!! PITA to grind them off and not burn/melt the coroplast. Self tapper and washer go back in.
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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06-27-2016, 07:20 PM
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#13
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Senior Member
Join Date: Dec 2012
Location: Chico, California
Posts: 296
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Quick and dirty. What else would you expect from Lippert?
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2011 F-350 C.C. 4X4 LWB 6.7PSD
2010 Montana Mountaineer 345DBQ
2005 F150 FX4
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06-28-2016, 04:36 AM
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#14
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Senior Member
Join Date: Apr 2011
Location: Arrey,
Posts: 2,368
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dcg9381, Howdy;
Quote:
Originally Posted by dcg9381
It makes sense if you're trying to go fast during assembly. Using those self tapping screws, it takes a while to get through the frame and more than a bit of pressure...
Good for fast assembly. Not good for future usability...
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Once they sell it why do they need to worry about how "User Friendly"
it is ???
hankaye
__________________
Striving for a less complicated life since 1949 ...
Home: 2008 Cougar 278 RKS
T.V.: 2004 F-250 4X4, Level III BulletProofed , Detroit Tru-Track Differential (915A550)
Dog: 2006 Border Collie (Rascal) aka Maximum fur dispersal unit. (08/04/2006 - 12/16/2017) RIP.
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06-28-2016, 04:46 AM
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#15
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,356
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Quote:
Originally Posted by PerryB
Quick and dirty. What else would you expect from Lippert?
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Lippert isn't the ones doing it. They just supply the frame, it's the manufacturer of the RV doing it, weather it be Keystone, Thor, Cruiser, Forest River, etc.
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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06-28-2016, 06:03 AM
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#16
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Senior Member
Join Date: Apr 2015
Location: nm
Posts: 1,833
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Quote:
Originally Posted by chuckster57
You guessed it!! PITA to grind them off and not burn/melt the coroplast. Self tapper and washer go back in.
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It should drill out with a larger drill bit.
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2018 1 ton 4x4 c.c standard bed GMC Denali
Anderson ultimate hitch
2015 311 Impact Fusion toy hauler
2018 Milwaukee 8 FLRTU roadglide glide ultra
2018 800 Z force spot BUGGY.
500 watts of solar enough power for boon docking.
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06-28-2016, 06:53 AM
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#17
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,356
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IIRC they have what looks like a nail head making it difficult at best to start the bit. Simply faster to use my small cut off wheel.
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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06-28-2016, 06:55 PM
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#18
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Senior Member
Join Date: Dec 2012
Location: Chico, California
Posts: 296
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Quote:
Originally Posted by chuckster57
Lippert isn't the ones doing it. They just supply the frame, it's the manufacturer of the RV doing it, weather it be Keystone, Thor, Cruiser, Forest River, etc.
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Yeah, I guess you're right about that. I just hate Lippert and their sloppy/shoddy work so badly that I jumped the gun in talking smack about them and the garbage they shove out their doors.
__________________
2011 F-350 C.C. 4X4 LWB 6.7PSD
2010 Montana Mountaineer 345DBQ
2005 F150 FX4
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06-28-2016, 07:54 PM
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#19
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,356
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Getting a bit off track: Lippert supplies a vast majority of components to most of the RV makers. Failure rates caused by shoddy, sloppy work by Lippert is VERY low.
Shoddy,sloppy work is once again more of an RV manufacturer assembly plant issue than the components themselves.
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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07-11-2016, 01:59 PM
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#20
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Senior Member
Join Date: May 2015
Location: Near Saratoga Springs,
Posts: 1,131
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Spent a few hours under our 5er today and pulled the forward belly cover off to do some mods. That cover is held in place as well as the rear cover with some pretty big drill point tapping screws - though it could probably use a few more. I'll have to get some as the biggest I have are #12-14 and those on our 5er are probably a full 1/4" or bigger. There are also some cross members (4!!) that are there to specifically help keep that front cover from sagging too badly.
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