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Aluminum vs Fiberglass

out_for_a_rip
Explorer
Explorer
Hi everyone - we are in the market for our first TT and are unsure of the real differences between aluminum and fiberglass siding (besides price). Can someone help us out?

Thanks!
42 REPLIES 42

Atlee
Explorer II
Explorer II
I believe you're wrong here. If an RV has aluminum siding, it's almost 100% sure to have a wood frame. Not counting Airstreams of course.

None of Jayco's aluminum sided trailers have aluminum frames. They all have wood framing.

valhalla360 wrote:
A little correction: Most new RV's regardless of siding use Aluminum studs not wood, so having aluminum siding does not mean you will have wood studs that will rot.

Of course, water inside the walls is a bad thing no matter what construction method is used.
Erroll, Mary
2021 Coachmen Freedom Express 20SE
2014 F150 Supercab 4x4 w/ 8' box, Ecoboost & HD Pkg
Equal-i-zer Hitch

theoldwizard1
Explorer II
Explorer II
goducks10 wrote:
Aluminum dents real easy, fiberglass sided don't.
Both can leak. One will rot (wood w/aluminum siding) the other will delaminate (fiberglass over aluminum frame).

Fiberglass sided can have higher R value for insulation.

Good summary !

I will add, a lot of the difference is personal preference.

SidecarFlip
Explorer III
Explorer III
wing_zealot wrote:
SidecarFlip wrote:
troubledwaters wrote:
SidecarFlip wrote:
It's not fiberglass per 'se, it's Filon which is a vacuum bonded fiberglass hybrid. It's very difficult to repair if damaged, really the only repair is panel replacement....
You don't know what your talking about.


Still waiting for your rebuttal...:S
Instead of waiting for your rebuttal, why don't you try Google. Maybe you'd come away with newfound knowledge. I've had my filon sided trailer repaired and I'd bet you couldn't find where.


I never said it could not be repaired. Anything can be restored/repaired for a price and/or time. Pre-paint aluminum is easier than Filon, laminated fiberglass skin. All I'm stating.

Candidly, I don'r care where you had it repaired.

Bondo is great, I prefer lead myself.
2015 Backpack SS1500
1997 Ford 7.3 OBS 4x4 CC LB

wing_zealot
Explorer
Explorer
SidecarFlip wrote:
troubledwaters wrote:
SidecarFlip wrote:
It's not fiberglass per 'se, it's Filon which is a vacuum bonded fiberglass hybrid. It's very difficult to repair if damaged, really the only repair is panel replacement....
You don't know what your talking about.


Still waiting for your rebuttal...:S
Instead of waiting for your rebuttal, why don't you try Google. Maybe you'd come away with newfound knowledge. I've had my filon sided trailer repaired and I'd bet you couldn't find where.

SidecarFlip
Explorer III
Explorer III
troubledwaters wrote:
SidecarFlip wrote:
It's not fiberglass per 'se, it's Filon which is a vacuum bonded fiberglass hybrid. It's very difficult to repair if damaged, really the only repair is panel replacement....
You don't know what your talking about.


Still waiting for your rebuttal...:S
2015 Backpack SS1500
1997 Ford 7.3 OBS 4x4 CC LB

TurnThePage
Explorer
Explorer
Rot is a non-issue with proper maintenance. Aside from the occasional legit exception, almost all leaks could have been prevented, either in the factory, or in the driveway.
2015 Ram 1500
2022 Grand Design Imagine XLS 22RBE

ScottG
Nomad
Nomad
I had several corrugated aluminum RV's and would never go back. They damage (dent and rot) easily and leak way sooner than fiberglass. Fiberglass (filon) is EASILY repaired by a competent shop.
If you could find a smooth aluminum trailer like HR once made, that would be good with me but I would prefer FG.

lakeside013104
Explorer
Explorer
troubledwaters wrote:
SidecarFlip wrote:
It's not fiberglass per 'se, it's Filon which is a vacuum bonded fiberglass hybrid. It's very difficult to repair if damaged, really the only repair is panel replacement....
You don't know what your talking about.


Ouch..........Patience Mr Trouble. Everyone is entitled to their own opinion.

Lakeside

valhalla360
Nomad III
Nomad III
A little correction: Most new RV's regardless of siding use Aluminum studs not wood, so having aluminum siding does not mean you will have wood studs that will rot.

Of course, water inside the walls is a bad thing no matter what construction method is used.
Tammy & Mike
Ford F250 V10
2021 Gray Wolf
Gemini Catamaran 34'
Full Time spliting time between boat and RV

SidecarFlip
Explorer III
Explorer III
Bumpyroad wrote:
Acdii wrote:
rbpru wrote:

In my humble opinion, the floor plan and interior components far outweigh the exterior covering.

Good luck


This is the most honest answer here. Both have their advantages and disadvantages, but what it really comes down to, what do you like? You can have a fancy slab side with a useless floor plan, or you could have an ugly rib side with a really nice floor plan, or visaversa.

Way I see it, I don't care what it looks like outside as long as it is comfortable and functional inside.


the construction of the RV is my first "cut". no rubber roof, TPO remotely possible. I want fiberglass sides and roof. then I look for one the size/price/and layout I prefer. I will NOT sacrifice construction for floor plan.
bumpy


I actually prefer a single sheet aluminum roof over anything (but very hard to find today), my last unit had an aluminum roof and it was as good as the day I bought it, 10 years later. My current unit has a textured fiberglass roof. I'd never buy anything with a rubber roof. Way too fragile.
2015 Backpack SS1500
1997 Ford 7.3 OBS 4x4 CC LB

Bumpyroad
Explorer
Explorer
Acdii wrote:
rbpru wrote:

In my humble opinion, the floor plan and interior components far outweigh the exterior covering.

Good luck


This is the most honest answer here. Both have their advantages and disadvantages, but what it really comes down to, what do you like? You can have a fancy slab side with a useless floor plan, or you could have an ugly rib side with a really nice floor plan, or visaversa.

Way I see it, I don't care what it looks like outside as long as it is comfortable and functional inside.


the construction of the RV is my first "cut". no rubber roof, TPO remotely possible. I want fiberglass sides and roof. then I look for one the size/price/and layout I prefer. I will NOT sacrifice construction for floor plan.
bumpy

SidecarFlip
Explorer III
Explorer III
troubledwaters wrote:
SidecarFlip wrote:
It's not fiberglass per 'se, it's Filon which is a vacuum bonded fiberglass hybrid. It's very difficult to repair if damaged, really the only repair is panel replacement....
You don't know what your talking about.


Care to substantiate your claim?
2015 Backpack SS1500
1997 Ford 7.3 OBS 4x4 CC LB

jorge1958
Explorer
Explorer
I prefer aluminum to. It has a lot more durability then fiberglass.
2000 Mallard 26E
2015 Chevy Silverado 1500

troubledwaters
Explorer III
Explorer III
SidecarFlip wrote:
It's not fiberglass per 'se, it's Filon which is a vacuum bonded fiberglass hybrid. It's very difficult to repair if damaged, really the only repair is panel replacement....
You don't know what your talking about.

SidecarFlip
Explorer III
Explorer III
It's not fiberglass per 'se, it's Filon which is a vacuum bonded fiberglass hybrid. It's very difficult to repair if damaged, really the only repair is panel replacement. Filon can delaminate as well.

Aluminum on the other hand don't delaminate and can be repaired more easily plus it's lighter. Builder went to Filon for ease of assembly and cheaper cost. Myself, I'd take aluminum over Filon is I had a choice.
2015 Backpack SS1500
1997 Ford 7.3 OBS 4x4 CC LB