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Open Roads Forum  >  Class A Motorhomes  >  Maintenance Issues & Tips

 > Truck bed liner on roof

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SOBOVA

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Posted: 11/05/19 07:08am Link  |  Quote  |  Print  |  Notify Moderator

If you are looking at putting this over a rubber or membrane roof I would think flexibility would be an issue. If your roof flexes as you walk on it now, would the new coating flex also, or would it crack?

Terryallan

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Posted: 11/05/19 07:10am Link  |  Quote  |  Print  |  Notify Moderator

gbopp wrote:

FIRE UP wrote:

Without a doubt, it, BY FAR, is the best roof an RV could ever have. It's not "flimsy", it's not gonna "catch bridges".
Scott

I believe Terryallan is referring to the one piece plastic truck bed liner inserts rather than the spray on roof coatings.


Yeah I did. When some one says bed liner. I think of the drop in bed liners. Around here the roll on are called exactly that. Roll on. or spray on bed protector. So. I'm guilty of misunderstanding. sorry.


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sjholt

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Posted: 11/05/19 04:29pm Link  |  Quote  |  Print  |  Notify Moderator

One might consider "Al's bedLiner", It can be sprayed on if you would want to do it yourself.
Probably 5 kits and white dye would cost around $500 at Amazon. There are other bedliners that can be used also.
I did the front of the old motorhome with Al's liner and it came out really good and is a dark blue that has not faded in 10 years that it has been on.
It's your money...
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Posted: 11/05/19 10:51pm Link  |  Quote  |  Print  |  Notify Moderator

Excel (Peterson Industries) built fifth wheel trailers and a short time before they went out of business they offered the Rhino Eco-Coat spray on liner for the roofs. It didn't work out well for them and they had warranty issues and spent thousands bringing the trailers back to the factory and redoing the roofs.


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ItsyRV

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Posted: 11/05/19 11:18pm Link  |  Quote  |  Print  |  Notify Moderator

two travelers wrote:

Some one has mentioned to me use of the truck bed liner on the roof. Is that a good idea? What are possible problems?

You can use it but unless you have a metal roof, you'll need some type of compatible primer/bonder on the wood or fiberglass otherwise it will separate and ultimately fail. You can't apply it over a membrane roof as it will fail. The biggest problem is weight and adhesion.


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FIRE UP

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Posted: 11/06/19 09:39pm Link  |  Quote  |  Print  |  Notify Moderator

ItsyRV wrote:

two travelers wrote:

Some one has mentioned to me use of the truck bed liner on the roof. Is that a good idea? What are possible problems?

You can use it but unless you have a metal roof, you'll need some type of compatible primer/bonder on the wood or fiberglass otherwise it will separate and ultimately fail. You can't apply it over a membrane roof as it will fail. The biggest problem is weight and adhesion.


Well,
Yeah, things CAN fail, if the prep is done improperly. I witnessed the prep work done on some of the coaches for this spray on roof coating. NO, THEY DO NOT PUT IT OVER RUBBER ROOFS, GEEZE! Any rubber roof is torn off and, any and all potentially bad substrate, such as plywood or luan is removed and replaced. All vents, A/C units and the like, are removed.

They will wrap that spray on liner right over the roof radius to a given point that, is either mutually agreed with the owner or, what the facility recommends. Hense, that's why they call it a ONE PIECE roof.
And yes, it is also put on ALUMINUM roofs too. When I was there, getting work done on our coach, there were several higher end coaches, lined up, in prep for getting that spray on roof. At that time, around 6-7 years ago, it was not all that bad in price. A 36' coach would cost around $3,500 or so. I have no idea what it costs now. I do know that, if we needed a roof and we really, really liked our coach, I'd opt for that spray on roof in a heartbeat.
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dodge guy

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Posted: 11/07/19 06:01am Link  |  Quote  |  Print  |  Notify Moderator

FIRE UP wrote:

ItsyRV wrote:

two travelers wrote:

Some one has mentioned to me use of the truck bed liner on the roof. Is that a good idea? What are possible problems?

You can use it but unless you have a metal roof, you'll need some type of compatible primer/bonder on the wood or fiberglass otherwise it will separate and ultimately fail. You can't apply it over a membrane roof as it will fail. The biggest problem is weight and adhesion.


Well,
Yeah, things CAN fail, if the prep is done improperly. I witnessed the prep work done on some of the coaches for this spray on roof coating. NO, THEY DO NOT PUT IT OVER RUBBER ROOFS, GEEZE! Any rubber roof is torn off and, any and all potentially bad substrate, such as plywood or luan is removed and replaced. All vents, A/C units and the like, are removed.

They will wrap that spray on liner right over the roof radius to a given point that, is either mutually agreed with the owner or, what the facility recommends. Hense, that's why they call it a ONE PIECE roof.
And yes, it is also put on ALUMINUM roofs too. When I was there, getting work done on our coach, there were several higher end coaches, lined up, in prep for getting that spray on roof. At that time, around 6-7 years ago, it was not all that bad in price. A 36' coach would cost around $3,500 or so. I have no idea what it costs now. I do know that, if we needed a roof and we really, really liked our coach, I'd opt for that spray on roof in a heartbeat.
Scott


So you're going to say that it won't crack where 2 pieces of plywood come together? The roof will flex and that seam will crack! Truck bedliner is made for the beds of trucks!


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Bill.Satellite

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Posted: 11/07/19 06:06am Link  |  Quote  |  Print  |  Notify Moderator

Actually, this version of the material is specifically made for RV roofs.


What I post is my 2 cents and nothing more. Please don't read anything into my post that's not there. If you disagree, that's OK.
Can't we all just get along?

FIRE UP

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Posted: 11/08/19 10:18am Link  |  Quote  |  Print  |  Notify Moderator

dodge guy wrote:

FIRE UP wrote:

ItsyRV wrote:

two travelers wrote:

Some one has mentioned to me use of the truck bed liner on the roof. Is that a good idea? What are possible problems?

You can use it but unless you have a metal roof, you'll need some type of compatible primer/bonder on the wood or fiberglass otherwise it will separate and ultimately fail. You can't apply it over a membrane roof as it will fail. The biggest problem is weight and adhesion.


Well,
Yeah, things CAN fail, if the prep is done improperly. I witnessed the prep work done on some of the coaches for this spray on roof coating. NO, THEY DO NOT PUT IT OVER RUBBER ROOFS, GEEZE! Any rubber roof is torn off and, any and all potentially bad substrate, such as plywood or luan is removed and replaced. All vents, A/C units and the like, are removed.

They will wrap that spray on liner right over the roof radius to a given point that, is either mutually agreed with the owner or, what the facility recommends. Hense, that's why they call it a ONE PIECE roof.
And yes, it is also put on ALUMINUM roofs too. When I was there, getting work done on our coach, there were several higher end coaches, lined up, in prep for getting that spray on roof. At that time, around 6-7 years ago, it was not all that bad in price. A 36' coach would cost around $3,500 or so. I have no idea what it costs now. I do know that, if we needed a roof and we really, really liked our coach, I'd opt for that spray on roof in a heartbeat.
Scott


So you're going to say that it won't crack where 2 pieces of plywood come together? The roof will flex and that seam will crack! Truck bedliner is made for the beds of trucks!


If "that seam will crack" would happen, you'd have hundreds of thousands of seams on RVs cracking all over the U.S. Obviously you've not seen one up close and or, watched it being applied. I have seen them up close after years of use and, not ONE CRACK has ever developed. Besides, while it (the spray on coating) is some ultra tough stuff, it does have some flexibility.

Pickup beds flex TOO!! Yet, I've never, ever seen any cracking of ANY SPRAY ON BED LINER! If one chooses not to have it done, fine, it's their coach. I'm not selling the stuff. I've just seen it used and as I stated before, it's lifetime guaranteed and is tougher than nails.
Scott

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