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🛡️ Seal your roof’s future with confidence — don’t let leaks crash your vibe!
Dicor 501LSW-1 is a 10.3 oz white EPDM self-leveling lap sealant designed for durable, watertight seals on roofs and vents. Compatible with multiple materials including aluminum, wood, vinyl, and concrete, it offers UV stability to prevent discoloration and maintains flexibility for long-lasting protection. Ideal for professional-grade repairs and maintenance, this sealant is a top choice for RVs and roofing applications.










| ASIN | B000BRF7QE |
| Best Sellers Rank | #89 in Automotive ( See Top 100 in Automotive ) #1 in RV Sealants |
| Brand | Dicor |
| Brand Name | Dicor |
| Color | White |
| Compatible Material | Aluminum, Concrete, Fiberglass, Metal, Vinyl |
| Customer Reviews | 4.7 out of 5 stars 18,680 Reviews |
| EU Spare Part Availability Duration | 5 years |
| Global Trade Identification Number | 00677917000333 |
| Included Components | Tube |
| Item Dimensions | 11.25 x 2 x 2 inches |
| Item Form | Liquid |
| Item Type Name | Dicor 501LSW-1 Lap Sealant - 10.3 oz. |
| Item Weight | 12.8 ounces |
| Item dimensions L x W x H | 11.25 x 2 x 2 inches |
| Manufacturer | Dicor |
| Material | Rubber |
| Material Type | Rubber |
| Model | 501LSW-1 |
| Number of Items | 1 |
| Part Number | 501LSW-1 |
| Style | Self-Leveling |
| Style Name | Self-Leveling |
| Surface Recommendation | Roof,Vent |
| UPC | 700115572927 677917000333 |
| Unit Count | 1 Count |
| Water Resistance Level | Waterproof |
M**S
A Tiny Tube That Saved My Roof From Trouble
I used this 501LSW-1 EPDM Self-Leveling Lap Sealant for a repair project, and I was very impressed with how well it performed. The sealant flowed smoothly, filled gaps effectively, and created a strong, weather-resistant seal that gave me confidence the repair would hold up against rain and the elements. The self-leveling feature made application much easier because it spread evenly without requiring a lot of extra work. It adhered well to the surface, dried properly, and provided a clean finish that looks professional. It was easy to apply and worked exactly as expected. The quality feels excellent, and a little goes a long way. This is the kind of product you hope you don't need often, but when you do need it, you want something reliable and this sealant delivered. Highly recommended for anyone needing a dependable sealant for EPDM roofing or similar applications. Five stars this little tube worked harder than a roofer on a Monday morning and kept my repair project from becoming a bigger headache
A**Y
cool and great price too
GREAT PRICE. cheaper than at the RV Store and was delivered super quick. works great on camper roofs, it self levels and and easy to use. be prepared it is gooey so try not to get any on ya.
A**R
Worked for my needs
Good product good value
D**K
Great Product
Product works great, Very easy to use and makes it possible to maintain your rv roof, I would say it’s definitely the brand to buy, I do think the tube could be constructed a little better as one of mine started leaking from the top as I was using it, Still got the job done and the product itself is great
H**E
need if you rv
If you own an RV you need this! It works wonders for sealing jobs on your roof. Always keep a can or 2 on you at all times for minor fixes. It is very easy to use, adheres well, and is a great price.
D**T
Great stuff for sealing RV
This stuff is awesome for sealing screws and other items on a RV roof. If the parts are clean and prepped properly, I've never had a seal, seem or screw leak.
D**W
The Only Lap Sealant I Use!
I have tried a couple of other brands of lap sealant, and the results were simply not good. I recently installed an additional solar panel on my RV. I used a cheaper brand to save a few dollars, huge mistake! So, I decided to order Dicor and used it to finish the project and cover the other brand. The Dicor flows smoothly, it adheres great and the leveling is superb. It makes the project looks so much more professional, and I trust that it will do its job to seal and protect from leaks, etc. No more trying other brands, Dicor is the only lap sealant I will use in the future.
W**H
Excellent
Best lap sealant there is for EPDM ROOF. Nothing comes close.
W**F
Best in the biz.
Lay it on thick. ¾ of a tube sealed my RV popup air vent
C**B
Buy lots! Works great and you’re going to want 2 tubes
Great product and smooths out nice and flat. When they say self levelling they mean it. Don’t try to use on anything vertical. Used with dicor roof repair tape and then redid as many things on the roof that I could with what I had left, wish I had bought a other tube. I’ve heard mixed thoughts on removing old sealant before applying new vs just cover the old stuff. Well my old stuff was in good shape except the expected weather checking and cracks so I just went over the old stuff to maintain water integrity. It went over the old just fine and adhered well so far as I can tell. It smoothed the sealant our like new and removed the water traps. If I had a leak I would probably remove the old sealant and start from new but for touch ups, like I said, buy lots!
A**A
Excellent scellant pour toiture de VR
Il est facile à appliquer, s’étale bien et forme une bonne étanchéité autour des joints et des accessoires de toiture. La formule auto-nivelante facilite grandement l’installation et donne une finition propre. Un produit fiable et indispensable pour l’entretien d’un VR.
A**R
جيد
جيد
E**D
Bon vendeur
Bon produit
Trustpilot
5 days ago
2 weeks ago