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ajriding
st clair
Senior Member
Joined: 12/28/2004
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no, Lap sealant is so sticky and gooey that as long as there is no obvious dirt, or a layer of skum it will stick. if you are happy with your soap and water cleaning job then you most likely have cleaned it good enough. I have never prepped a surface with special cleaners, maybe rubbing alcohol, but usually just car wash soap or just windex and it always seals.
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SamanthaNichols
2046 Hillcrest Drive Tacoma, WA 98402
New Member
Joined: 02/03/2020
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I used Dicor 501LSW-1 for my roof. The combination of Dicor Lap Sealant with Eternabond changed my olf roof into a new one. Good product. Easy to apply and looks professional. I replaced a skylight and used this material to seal the seams. It does flow out and expands quite well. It does not flow and settle out like water but is sort of like a runny putty. Flows easily and was quite easy to spread a little as needed with a putty knife. I definitely recommend this stuff!
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spoon059
Just north of D.C.
Senior Member
Joined: 10/03/2010
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Good Sam RV Club Member
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ajriding wrote:no, Lap sealant is so sticky and gooey that as long as there is no obvious dirt, or a layer of skum it will stick. if you are happy with your soap and water cleaning job then you most likely have cleaned it good enough. I have never prepped a surface with special cleaners, maybe rubbing alcohol, but usually just car wash soap or just windex and it always seals.
He's not talking about lap sealant, he is putting some protectant layer over his whole roof.
OP, most of us have never wasted our time with anything like that. The Dicor roofing material lasts longer than your RV will. The only thing that NEEDS maintenance is your lap sealant/caulked seams. Anything else is just to make yourself feel better.
2015 Ram CTD
2015 Jayco 29QBS
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