Forum Discussion

CodyClassB's avatar
CodyClassB
Explorer II
May 17, 2020

rubber roof sealants

There are many kinds of rubber roof sealants. It appears that the on marketed for RV are more expensive. Which one do you use (most cost effective) . Thanks

https://www.amazon.com/s?k=Rubber+roof&ref=nb_sb_noss_2
  • I have used the Dicor acrylic sealant on two different units over the last 10 years. It functions well and last for a time. I now own a 4 yr old Class C and just recently recoated the top (rubber roof) with the Henry's Tropicool 100% silicon. I can say it does a phenomenal job. It adheres extremely well to the surface and looks like a brand new roof. It is said to be much better than the acrylic material that Dicor sells which last in my case only 2-3yrs at best. I added two coats of the Tropicool silicon and it makes a tough and smooth finish to the rubber membrane. Don't think you can go wrong with this one. Not so expensive if purchased in the 5 gal size but also available in the 1 gal as well from Home Depot and many others. Check the Youtube site for RV coating.
  • Go to Home Depot and get Henry's 887 silicon roofing. Look it up under Henry's roofing too. Its made for RV'S too.
  • jdc1's avatar
    jdc1
    Explorer II
    gbopp wrote:
    I'm assuming you're talking about roof coating and not caulking?
    For caulking, Dicor self leveling is a good choice.
    For coating, HENG'S Rubber Roof Coating is what I use. It goes on easily like paint, it's cost is lower and it needs no primer. It looks good and holds up well.

    I put two coats on our 96 Southwind, 2 1/2 gallons for 30' of roof.
    I'll use Heng's again.


    Ditto.

    But, if cost wasn't a factor, I'd take it to a truck bed liner guy. Rhino Liner and Line-X would last 50 years.
  • I'm assuming you're talking about roof coating and not caulking?
    For caulking, Dicor self leveling is a good choice.
    For coating, HENG'S Rubber Roof Coating is what I use. It goes on easily like paint, it's cost is lower and it needs no primer. It looks good and holds up well.

    I put two coats on our 96 Southwind, 2 1/2 gallons for 30' of roof.
    I'll use Heng's again.
  • If it is the top of the roof I wouldn't use anything except Dicor self
    leveling.

    Guy
  • I'm a fan of Dicor, but I would use whatever your manufacturer suggests.

About RV Tips & Tricks

Looking for advice before your next adventure? Look no further.25,122 PostsLatest Activity: Apr 08, 2025