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🛡️ Seal the deal on adventure—no leaks, no limits!
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, UV-resistant formula withstands extreme temperatures and weather conditions, providing long-lasting protection without yearly reapplication. Easy to apply and safe for use around kids and pets, this 10 oz tube covers up to 25 linear feet and bonds to multiple materials including rubber, metal, and fiberglass—making it the go-to sealant for motorhomes, trailers, and campers.






| ASIN | B083PXD7JF |
| Best Sellers Rank | #10,079 in Automotive ( See Top 100 in Automotive ) #33 in RV Sealants |
| Brand | Ziollo |
| Brand Name | Ziollo |
| Color | White |
| Compatible Material | Aluminum, Concrete, Fiberglass, Metal, Plastic, Polyvinyl Chloride, Rubber, Wood |
| Customer Reviews | 4.6 out of 5 stars 1,627 Reviews |
| Item Dimensions | 2 x 2 x 12 inches |
| Item Form | Liquid |
| Item Weight | 1.1 pounds |
| Item dimensions L x W x H | 2 x 2 x 12 inches |
| Manufacturer | Ziollo |
| Material | Rubber , Silicone |
| Material Type | Rubber, Silicone |
| Model | Caulking |
| Number of Items | 1 |
| Part Number | FlexCaulk |
| Style | Industrial |
| Style Name | Industrial |
| Surface Recommendation | Roof |
| UPC | 627987137002 |
| Unit Count | 10 Fluid Ounces |
| Water Resistance Level | Waterproof |
R**Y
Trusted self leveling sealant
I used this product in the past, given to me by a family member. The sealant worked just as described, self leveled around the solar brackets. This use resealed the RV rubber trim around the out side of my RV I replaced. The sealant hardened to a perfect consistency. I will always use this product in the future.
D**N
Works well, little mess
Works really well on a pretty level surface if to much slope it can run, no trouble with the normal slope of a RV. There are other ones you can buy that are a little thicker but you have to level them.
D**Y
Price
Worked as promised
A**R
Good product
Worked great but was a little more runny than other brands. Don't use close to the sides of your rv
J**Y
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.
M**E
Tv roof
Works great
M**W
Self leveling caulk and lap sealer!
This product works just as advertised. Very easy to apply in wet or dry conditions and is absolutely self leveling.
R**I
--
good quality
R**B
Great
Works perfect and good savings compared to dealerships
M**R
1 tube to seal a roof fan fully ,
Easy to use ,cover and levels perfectly . Great product
R**L
Awesome performance!
Good stuff👍
S**E
Works well
Best stuff and only stuff we use for our travel trailer
T**S
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.
Trustpilot
2 weeks ago
3 days ago