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The RVer's Open Forum / TECHNICAL RV HELP / Rubber roof / seam sealer

Bruce
User ID: 1028194 Apr 24th 9:48 AM
I recall some discussions about rubber roofs and I have been to the Dicor site. My roof seals at the seams are a caulk bead AND a sealer that was poured or painted. It would appear to have been the consistancy of a heavy batter. It still looks good except for the area where the front cap meets the roof and I am concerned about leaking there because the caulk bead is separating. I recall some people saying Dicor only and others saying naw, you can get the same thing at __X Y Z __ cheaper. Could we hit this topic again?? Thanks much.

Chris Bryant
User ID: 1578334 Apr 24th 3:49 PM
There are basically only three things I will use for roof work- each in a different capacity.
I use Dicor lap seal for small touch up jobs, or for installing accessories which penetrate the roof.
I use Eternabond for resealing seams (with the Dicor sealing the edges of the Eternabond- not really needed, but...)
I use ProGuard Liquid Roof if I am going to completely reseal a roof -just came down off a roof, using it to go over the well adhered, but weathering sealant that was there. 1 quart was enough to do 3 roof vents, a large skylight, antenna, a couple of plumbing vents, and the front seam- along with a roof rack (this trailer had no rear seam).

I am interested in what others use.

--Chris

Bruce
User ID: 8890073 Apr 26th 2:50 PM
Chris-- Thanks for the info on the type of sealer based on the particular application. That is more informative for me than a one product for all applications approach. Most all of the areas around skylight, vents, etc seem to be done with a "liquid roof" material which I referred to as an originally thick batter-like substance. If you were doing a front roof cap/rubber roof joint would you use the Eternabond strip or Liquid Roof? Is Liquid Roof available at stores other than RV centers?

Chris Bryant
User ID: 1578334 Apr 26th 6:46 PM
To be honest- most of the time the choice is an economic one for me- if all I have to do is the front and/or back seam, I will use the Eternabond- or if there seems to be a lot of movement in the joint.
If I am resealing the whole roof, then I might use the Liquid Roof- simply because it is a two part compound, and once mixed, it must be used. But- of the two, for the front and back seams, I would really prefer the Eternabond, as it has better mechanical strength.

I'm not aware of other places that sell the Liquid Roof- it is used in building roofing, but the containers are *much* larger- the packaging is really what makes it an RV product.
The URL is-
http://liquid-roof.com/

--Chris

Bruce
User ID: 8890073 Apr 27th 10:11 AM
Thanks Chris. Since all other areas look o.k. now I will look into getting the long strip(s) of Eternabond.

Bruce User ID: 1028194	Apr 24th 9:48 AM I recall some discussions about rubber roofs and I have been to the Dicor site. My roof seals at the seams are a caulk bead AND a sealer that was poured or painted. It would appear to have been the consistancy of a heavy batter. It still looks good except for the area where the front cap meets the roof and I am concerned about leaking there because the caulk bead is separating. I recall some people saying Dicor only and others saying naw, you can get the same thing at __X Y Z __ cheaper. Could we hit this topic again?? Thanks much.
Chris Bryant User ID: 1578334	Apr 24th 3:49 PM There are basically only three things I will use for roof work- each in a different capacity. I use Dicor lap seal for small touch up jobs, or for installing accessories which penetrate the roof. I use Eternabond for resealing seams (with the Dicor sealing the edges of the Eternabond- not really needed, but...) I use ProGuard Liquid Roof if I am going to completely reseal a roof -just came down off a roof, using it to go over the well adhered, but weathering sealant that was there. 1 quart was enough to do 3 roof vents, a large skylight, antenna, a couple of plumbing vents, and the front seam- along with a roof rack (this trailer had no rear seam). I am interested in what others use. --Chris
Bruce User ID: 8890073	Apr 26th 2:50 PM Chris-- Thanks for the info on the type of sealer based on the particular application. That is more informative for me than a one product for all applications approach. Most all of the areas around skylight, vents, etc seem to be done with a "liquid roof" material which I referred to as an originally thick batter-like substance. If you were doing a front roof cap/rubber roof joint would you use the Eternabond strip or Liquid Roof? Is Liquid Roof available at stores other than RV centers?
Chris Bryant User ID: 1578334	Apr 26th 6:46 PM To be honest- most of the time the choice is an economic one for me- if all I have to do is the front and/or back seam, I will use the Eternabond- or if there seems to be a lot of movement in the joint. If I am resealing the whole roof, then I might use the Liquid Roof- simply because it is a two part compound, and once mixed, it must be used. But- of the two, for the front and back seams, I would really prefer the Eternabond, as it has better mechanical strength. I'm not aware of other places that sell the Liquid Roof- it is used in building roofing, but the containers are much larger- the packaging is really what makes it an RV product. The URL is- http://liquid-roof.com/ --Chris
Bruce User ID: 8890073	Apr 27th 10:11 AM Thanks Chris. Since all other areas look o.k. now I will look into getting the long strip(s) of Eternabond.