rving mr Posted November 15, 2019 Report Share Posted November 15, 2019 (edited) Hi I'm going cheep. Can dicor lap sealant and rust-oleum 301904 7yr elastomeric roof coating work to gather ? Does it mater what order I apply them. EA: elastomeric over present roof than lap seal. And for areas that need lap sealant do I need to remove old stuff if it dos'nt have dry cracks just piled up a little ? Edited November 15, 2019 by rving mr Quote Link to comment Share on other sites More sharing options...
Kirk W Posted November 16, 2019 Report Share Posted November 16, 2019 I have no idea if the two products are even compatible. I found these instructions that you should probably read carefully, on the internet. Of particular note is this item that I copied from them. Quote EPDM, PVC, PIB, TPO AND HYPALON: Must be primed with Rust-Oleum 105 Multi-Surface Adhesion Primer*. * See primer labels and technical data sheet for correct surface preparation and application procedures. Quote Good travelin !...............KirkFull-time 11+ years...... Now seasonal travelers.Kirk & Pam's Great RV Adventure Link to comment Share on other sites More sharing options...
agesilaus Posted November 16, 2019 Report Share Posted November 16, 2019 Hengs roof coating was compatible with Dicor when I did my old fiver roof. Easy to use too. Amazon And you'll notice Dicor is selling a roof coating now, very pricey of course. I've never heard anyone say they used it yet. Quote Link to comment Share on other sites More sharing options...
remoandiris Posted November 16, 2019 Report Share Posted November 16, 2019 Go to You Tube. Type in the name of the 2 products, one at a time. If there are any examples of the products being used, it will give you an idea how to do it. Or how not to do it. Quote Link to comment Share on other sites More sharing options...
oldjohnt Posted November 17, 2019 Report Share Posted November 17, 2019 I'm NO expert in this area or either product mentioned so take this with a grain of salt. FWIW I would first apply the roof coating then follow up with Dicor where needed. For years I have used Hengs rubber roof coating and applied Dicor over top in critical areas like around vents etc AND NEVER HAD A PROBLEM. YES I would remove old dried up product and clean before applying new Dicor John T Quote Link to comment Share on other sites More sharing options...
Kirk W Posted November 17, 2019 Report Share Posted November 17, 2019 1 minute ago, oldjohnt said: then follow up with Dicor where needed. Is it safe to assume that by Dicor you mean that brand of self leveling, lap sealant? Quote Good travelin !...............KirkFull-time 11+ years...... Now seasonal travelers.Kirk & Pam's Great RV Adventure Link to comment Share on other sites More sharing options...
rving mr Posted November 17, 2019 Author Report Share Posted November 17, 2019 2 hours ago, Kirk W said: Is it safe to assume that by Dicor you mean that brand of self leveling, lap sealant? yes correct Quote Link to comment Share on other sites More sharing options...
oldjohnt Posted November 17, 2019 Report Share Posted November 17, 2019 2 hours ago, Kirk W said: Is it safe to assume that by Dicor you mean that brand of self leveling, lap sealant? Yeppers, you got it Kirk. Hey I'm not too far from you I'm in Kilgore now headed to SKP in Livingston later, its starting to warm up finally. After I have used Hengs Roof Coating I followed up with a bit of Dicor "Self Leveling Lap Sealant" around my roof top vents etc., never had a problem BUT I don't know much about any of this topic...……… Hopefully my Brake Buddy Loner will be there and I can return my air leaking unit to them for repairs before I go to Austin for Thanksgiving with my favorite daughter. Take care John T Quote Link to comment Share on other sites More sharing options...
rving mr Posted November 17, 2019 Author Report Share Posted November 17, 2019 well ty all for responding The link to the instruction sead it needs primer and I did not calculate that. I just did the math and using Elastomeric Roof Coating actually will cost me more than any of the stuff fore EPDM. Quote Link to comment Share on other sites More sharing options...
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