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Ziollo RV Roof Lap Sealant is a premium self-leveling EPDM caulk designed for durable, waterproof sealing of RV roofs, seams, and vents. Its flexible, solvent-free formula adheres strongly to EPDM rubber, TPO, metal, and fiberglass without primer, covering 25 linear feet per 10 oz tube. Engineered to withstand UV exposure and extreme temperatures, it ensures long-lasting protection for motorhomes, trailers, and campers—making maintenance effortless and your adventures worry-free.






| Asin | B083PXD7JF |
| Best Sellers Rank | #6,490 in Automotive (See Top 100 in Automotive) #25 in RV Sealants |
| Brand Name | Ziollo |
| Color | White |
| Compatible Material | Aluminum, Concrete, Fiberglass, Metal, Plastic, Polyvinyl Chloride, Rubber, Wood |
| Customer Reviews | 4.6 4.6 out of 5 stars (708) 4.6 out of 5 stars |
| Item Dimensions | 2 x 2 x 12 inches |
| Item Form | Liquid |
| Item Weight | 1.12 Pounds |
| Manufacturer | Ziollo |
| Material Type | Rubber, Silicone |
| Model | Caulking |
| Number Of Items | 1 |
| Part Number | FlexCaulk |
| Style Name | Industrial |
| Surface Recommendation | Roof |
| Unit Count | 10.0 Fluid Ounces |
| Upc | 627987137002 |
| Water Resistance Level | Waterproof |
User
Tight strong hold !
Quality product. Waterproof and creates a tight seal. Clean white looks great, higher price than caulk or silicone but for this application I think it’s a good value for the money. Used it install a new roof vent on inclosed trailer.
User
Easy to apply, holds up well so far
I can't give you a scientific or long-term review of this stuff, but I used it for the first time a couple of weeks ago just to reinforce some weak areas with the previous sealant had bubbled up and broke or cracked. Yeah, it's more of a band-aid application, but it went on easily, had just the right viscosity to spread and level without going too thin. I gave it a try because it was a bit better price, but it seems to be a fine product.Between then and now, it experience rain, sun, and cold, and went on a 200-mile road trip. When I checked it yesterday, it looked exactly as it did when I applied it... smooth and bright. So, I can't speak for long-term durability, but so far, so good. When I do a more thorough job, I will order this same stuff again.
User
I recommend it
Yes works great as advertised happy w/ the results
User
Shelf life
This product seems to work just fine. The only thing that was disappointing is that it has a two year self life, and the tube I received expires in five months. This means that I have to discard a pretty full tube.
User
Great product
Take your time can be messy but final product looks great, weather was my only problem with wind. Highly recommend.
User
Me funciono
Esto es para sellar donde se moja techos
User
Works as advertised
Easy to use and worked well for me.
User
Works great
no problems ,did what I purchased it for
User
good product
worked well, did the job
User
Expires in 11 months
Received today and it expires in less than a year. Seems odd. Hopefully I get a roof leak soon. This must be 5 years old now.
User
Expiration date
Less than two week expiry date.
User
Not the famous brand, but works just as well
I’ll be honest, I cheaped out. Dicor was nearly twice the price. Figured i’d give this brand a shot and it did not disappoint. Applied over cracks in acrylic skylight and did the trick. Firm, self leveled a bit but dried to a rubbery texture.
User
Très bon produit pour les réparations
J’ai réparé du caulking existant autour du puit de lumière de la salle de bain et très bon produit très content du résultat .
Trustpilot
2 weeks ago
2 months ago