Dicor is very sticky before it dries and will make a mess on your hand. Do not try to smooth out the sealant with your finger, as you might when applying caulk. Use a steady hand with a 3/8″± bead of sealant then apply long, smooth strips one at a time. You may also want to keep some handy for emergency repairs. For our 27-foot RV, we used four tubes to complete the chore. Make sure you have an adequate supply ready for your job. It’s best for applying to trim on vertical surfaces. Non-Leveling Dicordoesn’t sag as much.It’s best used on the roof or flat surfaces where even spreading of the sealant is desired. You’ll find it in a few different shades, but there are just two types of Dicor you want to pay attention to when stocking up: Use a rag or sponge and some alcohol to get rid of the remaining residue.ĭon’t start the job without purchasing the right type of lap sealant. Once you are fed up with the droopy looking brown goop on your rig, all you need is some extra time to remove the old sealant and replace it with the right stuff.Ĭaulking tools or some sort of dull plastic blade make it easy to remove the bulk of old Dicor. Many RVs leave the lot with messy Dicor already applied to the fiberglass wall seams. That’s OK though, nothing’s perfect.įrequently inspecting all exterior seams at roof, walls, trim, vents, and light fixtures will prevent any problems resulting from Dicor’s weaknesses. Also, after many years it has a tendency to shrink and separate. The only disadvantage with Dicor is that it can get ugly and dirty. This seam sealing product remains flexible and water-tight over time. Removing it is difficult and messy.ĭicor Lap Sealant, on the other hand, never hardens even after years of ultraviolet light exposure. ![]() Although this material is waterproof, over time it dries to a hard finish and cracks. Why use Dicor instead of caulk?ĭon’t reach for silicone caulk to seal your exterior seams. This task is so simple, anyone can do it. But don’t head to your nearest RV repair shop to get the job done. The good news is that you can protect your RV from this problem if you take annual measures to re-seal the exterior seams on your walls and roof seams with Dicor Lap Sealant. ![]() If that happens, the RV becomes a victim of fiberglass RV delamination, an unattractive defect that is impossible to fix and takes every ounce of resale value out of the unit. This creates gaps in the corners which allow moisture to get inside. ![]() Although RV walls leave the factory with sealant already applied to the seams, over time UV light and weather breaks the sealant down. Sealing RV seams is important because water damage often happens at the corners where RV walls are joined together. One of the easiest jobs is taking time to seal RV seams with Dicor RV Lap Sealant. A host of annual RV tasks are sometimes a chore but they’re usually not too difficult or time-consuming. Two words in the English language will keep your RV in the best condition possible: preventive maintenance. Use self-leveling Dicor to avoid this look.
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