MACHZERExplorerMay 15, 2018221 or DicorI have made repairs to my trailer and have a question for you. I need to use a sealant on a moulding . It is a joint between the fibreglass wall and the lower wall(Skirt). PLus around the bottom of t...Show More
dpgllgExplorerMay 15, 2018I have never used 221 only Dicor and I have been very happy with both the self leveling and the caulking.If you use Dicor make sure you remove any and all loose caulk and clean the area completely before applying the new.Dave
About Technical IssuesHaving RV issues? Connect with others who have been in your shoes.24,201 PostsLatest Activity: Feb 19, 2025
Related ContentDicorDicor and 303Sikaflex 221 for side mounted fridge vent?Small Dicordicore rubber roof