• Creates a secure, secondary seal along the roof’s edges, air vents, vent pipes and screw heads
  • Adheres firmly to aluminum, mortar, wood, vinyl, galvanized metal, fiberglass and concrete
  • Compatible with EPDM and TPO sheeting
  • Color: White

Awesome stuff, created a water tight seal in no time!

I have used Dicor Sealant for the past 10 years. The #1 destroyer of a beautiful rv is water intrusion. Although butyl tape is used under vents, railing and windows, especially on horizontal applications you need additional sealant. I personally check my sealant once a year for any deep cracks. The time to replace sealant is before it leaks... NOT after. Yes it takes 8-10 tubes to reseal my 30’ Rockwood. But it cost me $800 to repair a delamination bubble on the slideout 2 years after I bought my rv. I’ve used Dicor Lap Sealant for the years since and never had another problem.

This the go-to product for RV roof repair. Works great on EPDM and TPO roofing repairs. You need this to do annual repairs on the stuff that sticks thru your roof like vent stacks, roof vents and appliance vents. An excellent addition to your RV tool kit.

Dicor sealant is hands down the best stuff for sealing campers. It's best to apply it with a small, flat paint brush. It will self level so when you are done it flattens out which looks great, and allows water to flow across it. Dicor is much better than silicone, which will crack, leak, peel, and doesn't self level. I put a new vent on my 1984 pop up camper and used this to seal if. You get a lot so I used the rest to seal every seam and crack on the roof. That would have been enough, but I also bought a gallon of UV roof sealer and rolled on three coats to protect the dicor and seal the roof. My old camper didn't leak at all during three days of torrential down pours. The wind was blowing too, which says a lot. I know this will last a long time so I won't have to keep reapplying silicone. I recommend buying an extra tube to keep just in case you find yourself needing it in the middle of nowhere.

works as described, easy to use spoke to the company about cleaning the area on the RV that needed prepare and they suggested a little Dawn and water. worked well. They said this was fine to filll gaps but if an entire area had to be repaired the its best to use mineral spirits.

Everyone knows that moisture is one of the top killers for 5th wheels / campers. And no matter how delicate you are small holes and leaks do happen. Well this stuff has been able to seal every hole in our 5th wheel. Ranging from the umbrella that flew out the truck bed while driving and put a hole into the front to the wonderful tree branches which falls after the storm. This thing has worked like a champ. I originally tried the smaller tubes of different sealants and after getting frustrated with them, I decided to go with what the dealerships and repair shops use. And I am not disappointed. Pros Works every where on my 5th wheel. Seals up great, and has the flexibility needed to not break while driving. Cons I really wish they had smaller size tubes for smaller jobs.

IF you have never used this type of caulk/sealant its a bit different to use. Forget making a nice fillet. this stuff is made to flow. Slowly but it does flow or as they say self leveling. Use it on my Travel trailer roof to place a Max air roof fan. No leaks. Check your roof yearly and have a tube of this stuff on hand.

does just what it says. I cleaned the areas to be sealed with a damp cloth and then sealed them. It flowed into cracks and left a smooth finish. It's not beautiful but then again who's going to be looking at the roof 12' up? As long as it keeps the water out I'm happy. I'm planning to buy more for doing some of the edges.

Used this to install a couple fantastic vents on our camper. The stuff that came off the old vents looked like it was this and some other kind of tough caulk. The tough stuff was almost impossible to remove from the rubber roof. One tube was enough to sufficiently install and seal the vent holes for two new units. We did a seam around the bottom of the fan lip before installing, around the lip and cover the screw holes of the new units. I easily give it a 5 star review due to how easy it was to work with, but may change as I don't know yet how durable this product is over time. In the Arizona sun, this stuff will have its work cut out.

This review is for Dicor 501LSW-1 Lap Sealant. This sealant is for use on horizontal surfaces. Do not use it on vertical surfaces or it will run down the sides. There is a negative review on this product complaining that it does not self level, the negative review is mis-leading. This product does self level. I think the person who purchased it and was disappointed thought it would be a molasses like consistency that would run and spread thinly and evenly. That is not what this product does. This works great on things like roof vents and where ceiling fans protrude from the roof. It kind of works this way, lets say you have a screw head you want to cover, put a 1/2" high glob of 501LSW on it that completely covers the screw head. After a few moments the glob will spread out to a larger circle and be about 1/4" high. If you are using this like traditional caulk and just running a bead of it, that wont work right. It has to be a tall bead of caulk so that it can level out. Like the example above with the screw head, if you put a bit of caulk on the screw head that is 1/8" high that wont spread and it probably wont self level much either. This stuff is meant to be put on in a generous manner, it is not going to look pretty but it will flow into nooks and crannies and fill potential leak spots. If you are near the edge of your roof be careful as this can level out by the roof edge and drip down the sides. In a way it is similar to baking cookies, you put a ball of cookie dough on a sheet and as it bakes the dough ball spreads out and makes a thin cookie. If you think of this product like the cookie i think it will be closer to expectations. If you need an item for a vertical surfact this is NOT it.