1999 Mallard 19ft travel trailer. I use it frequently. I was installing a rear camera when I got a closeup look at the roof. While it is not leaking, I got to thinking maybe it is time to shore it up,Lowes/HomeDepot sell that while goop stuff that comes in a large can. Can I smear that stuff over the existing roof?What about using something like FlexTape then smear the goop over the roof. Let's say around the edges, and near the AC and vents.What suggestions on a better way or to proceed?I am taking the trailer from CenCal to Kansas in or late mid-January 21 for some business with the courts, lawyers, trust,,,I sorta kinda would like the roof to be solid. I am sure I probably will encounter some rough weather while in Medicine Lodge. Luckily the Suburban tower is 4x4. I just feel that after 20 years I might be well advised to treat the roof of the trailer before taking off.

Have you maintained the seams on the sides? Windows, corners etc. for instance?

1. 20 years and no leaks you are very lucky2. While your roof may or may not be rubber, I would not use Lowes white Goop. I would use the more expensive RV rubber roof repair goop.

I'd be more concerned about making sure it's caulked at every seam where water can enter.

I would first wash and clean loose caulk off the roof. Then, cover the seams and edges with Eternabond and Dicor Self Leveling Lap Sealant.Finally (assuming it is a rubber roof) I would coat the roof with Heng's Rubber Roof coating. It needs no primer and goes on easily. Or use the coating of your choice. Whatever you chose, make sure the seams and caulking is in good condition.

gbopp wrote:I would first wash and clean loose caulk off the roof. Then, cover the seams and edges with Eternabond and Dicor Self Leveling Lap Sealant.Finally (assuming it is a rubber roof) I would coat the roof with Heng's Rubber Roof coating. It needs no primer and goes on easily. Or use the coating of your choice. Whatever you chose, make sure the seams and caulking is in good condition.X2

Roof: Not leaking, but 20 yrs old | Good Sam Community

Lwiddis
Explorer II
Dec 09, 2019
Have you maintained the seams on the sides? Windows, corners etc. for instance?
TenOC
Nomad
Dec 09, 2019
1. 20 years and no leaks you are very lucky

2. While your roof may or may not be rubber, I would not use Lowes white Goop. I would use the more expensive RV rubber roof repair goop.
twodownzero
Explorer
Dec 09, 2019
I'd be more concerned about making sure it's caulked at every seam where water can enter.
gbopp
Explorer
Dec 09, 2019
I would first wash and clean loose caulk off the roof. Then, cover the seams and edges with Eternabond and Dicor Self Leveling Lap Sealant.

Finally (assuming it is a rubber roof) I would coat the roof with Heng's Rubber Roof coating. It needs no primer and goes on easily.
Or use the coating of your choice. Whatever you chose, make sure the seams and caulking is in good condition.
TurnThePage
Explorer
Dec 09, 2019
gbopp wrote:
I would first wash and clean loose caulk off the roof. Then, cover the seams and edges with Eternabond and Dicor Self Leveling Lap Sealant.

Finally (assuming it is a rubber roof) I would coat the roof with Heng's Rubber Roof coating. It needs no primer and goes on easily.
Or use the coating of your choice. Whatever you chose, make sure the seams and caulking is in good condition.
X2
RustyMacIntosh
Explorer II
Dec 09, 2019
In Googling (actually I use DuckGoGo) I see both Lowes and HomeD have Eternabond and sealant. I'm heading out soon to both locations to look for supplies. The roof I have no idea what it is. It is NOT leaking, But after 20 yrs and constant use, I think it is time to do some preventative work on it.
opnspaces
Navigator II
Dec 09, 2019
What are you seeing that makes you want to treat the roof? Are you seeing the black roof showing through the white outer coating? Or are you seeing cracks in the roof that are nowhere near any caulked penetrations? Or are you just looking at the general state of the caulked joints and they are all cracked or peeling?
CFerguson
Explorer
Dec 09, 2019
TurnThePage wrote:
gbopp wrote:
I would first wash and clean loose caulk off the roof. Then, cover the seams and edges with Eternabond and Dicor Self Leveling Lap Sealant.

Finally (assuming it is a rubber roof) I would coat the roof with Heng's Rubber Roof coating. It needs no primer and goes on easily.
Or use the coating of your choice. Whatever you chose, make sure the seams and caulking is in good condition.
X2

Yep.
Lwiddis
Explorer II
Dec 10, 2019
“I would coat the roof with Heng's Rubber Roof coating. It needs no primer and goes on easily.”

That’s my yearly routine, gbopp.
Gulfcoast
Explorer
Dec 10, 2019
At 20-years I would coat the roof, as described above.

Not just smear it on..... but take time to do a good job.

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Roof: Not leaking, but 20 yrs old

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