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Sealing fiberglass exterior

Casinojunkie
Explorer
Explorer
What product do I use to seal the seams on the fiberglass exterior of my camper?
Also what product should I use to clean the exterior surface?
Thank you, Dallas
1997 Dodge Ram 3500 Diesel, automatic, pyro-boost-tranny temp on pillar mount, 354 rear gears, prodigy brake control,
2002 26' Lakota 5th wheel, 3-slide, by McKenzie
7 REPLIES 7

Veebyes
Explorer II
Explorer II
For cleaning before laying down a fresh bead of silicone rubber, use either acetone or laqour thinners.

The 3M 4200 is a bonding product & is almost as nasty as 5200. Once on it is near impossible to remove. Way overkill if the object is waterproofing not bonding.
Boat: 32' 1996 Albin 32+2, single Cummins 315hp
40+ night per year overnighter

2007 Alpenlite 34RLR
2006 Chevy 3500 LT, CC,LB 6.6L Diesel

Ham Radio: VP9KL, IRLP node 7995

Casinojunkie
Explorer
Explorer
RVUSA wrote:
Casinojunkie wrote:
prichardson wrote:
Depends on the seams. If they are fiberglass to fiberglass, metal, or other hard materials I would use 3M 4200. If it is the fiberglass to rubber roof seam you need to use sealant compatable with the roof material. For maintaining the exterior use the same thing to wash that you use on your vehicle. I prefer Starbrite marine products for waxing and polishing.

Thanks for the input but
not looking for a maintaince product but one to clean surface before applying caulk, or eternabond.


Most dealer shops use acrysol. You can get it thru them. I carry a can with me all the time. You know, in case I tear the roof on a limb and have to fix it in the boonies.,
Thanks

1997 Dodge Ram 3500 Diesel, automatic, pyro-boost-tranny temp on pillar mount, 354 rear gears, prodigy brake control,
2002 26' Lakota 5th wheel, 3-slide, by McKenzie

RVUSA
Explorer
Explorer
Casinojunkie wrote:
prichardson wrote:
Depends on the seams. If they are fiberglass to fiberglass, metal, or other hard materials I would use 3M 4200. If it is the fiberglass to rubber roof seam you need to use sealant compatable with the roof material. For maintaining the exterior use the same thing to wash that you use on your vehicle. I prefer Starbrite marine products for waxing and polishing.

Thanks for the input but
not looking for a maintaince product but one to clean surface before applying caulk, or eternabond.


Most dealer shops use acrysol. You can get it thru them. I carry a can with me all the time. You know, in case I tear the roof on a limb and have to fix it in the boonies.,

Casinojunkie
Explorer
Explorer
prichardson wrote:
Depends on the seams. If they are fiberglass to fiberglass, metal, or other hard materials I would use 3M 4200. If it is the fiberglass to rubber roof seam you need to use sealant compatable with the roof material. For maintaining the exterior use the same thing to wash that you use on your vehicle. I prefer Starbrite marine products for waxing and polishing.

Thanks for the input but
not looking for a maintaince product but one to clean surface before applying caulk, or eternabond.
1997 Dodge Ram 3500 Diesel, automatic, pyro-boost-tranny temp on pillar mount, 354 rear gears, prodigy brake control,
2002 26' Lakota 5th wheel, 3-slide, by McKenzie

tatest
Explorer II
Explorer II
You can use the sealant or caulk selected by the manufacturer, which is often different seams. The manufacturer's service manuals should have product specifications and part numbers. Many RV dealers carry these products in 3M and Dicor brands, manufacturers often use products not branded for retail. Any servicing RV dealer can help you select for each seam application.

Alternatively, a number of RV owners advocate taping over seams with Eternabond products, which are also different for different applications.
Tom Test
Itasca Spirit 29B

prichardson
Explorer
Explorer
Depends on the seams. If they are fiberglass to fiberglass, metal, or other hard materials I would use 3M 4200. If it is the fiberglass to rubber roof seam you need to use sealant compatable with the roof material. For maintaining the exterior use the same thing to wash that you use on your vehicle. I prefer Starbrite marine products for waxing and polishing.

Wagonqueen_Truc
Explorer
Explorer
what kind of camper do you have?