Is it good on fiberglass roof

Hi, yes you can use the RV Flex Repair Caulking Lap Sealant on fiberglass roofs. Make sure to rough up the surface first.

Will this fill and adhere to holes in vinyl fence?

It is meant to be used on a flat surface, but it should adhere to pvc but will need to be on a flat surface.

why is it coming out of the back of the tube. Why is it milky.

Hi, did you happen to puncture the inner seal before using the caulking gun? If there's an issue, reach out to Ziollo - RV Flex Repair and they'll take care of it right away.

Will it work around rv windows ?

Hi, the RV Flex Repair Self Leveling Caulking Lap Sealant is not meant for around windows. You can use a standard exterior window caulk.

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🚐 Seal smart, travel fearless — your RV’s best defense against leaks!

ECO SAFE FORMULA - Non-toxic, pet- and family-friendly sealant for worry-free indoor and outdoor use.
SEAL WITH CONFIDENCE - Lifetime warranty ensures your RV stays leak-free season after season.
ALL WEATHER DURABILITY - Flexible sealant withstands extreme temperatures and weather conditions without cracking.
EFFORTLESS WEEKEND UPGRADE - Complete your RV roof restoration in just one weekend with easy self-leveling application.
UNIVERSAL SURFACE COMPATIBILITY - Perfect for EPDM rubber, metal, wood, fiberglass, and more—versatility that fits your RV lifestyle.

Ziollo RV Roof Lap Sealant is a professional-grade, self-leveling EPDM caulk designed for durable, waterproof sealing of RV roofs, seams, and vents. Backed by a lifetime warranty, it offers flexible, weather-resistant protection across multiple surfaces, curing quickly and safely with an eco-friendly, non-toxic formula. Ideal for millennial RV owners who demand reliability and ease in their weekend maintenance projects.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

$275.10

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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Manufacturer	Ziollo
Part number	FlexCaulk
Item Weight	283 g
Package Dimensions	31.19 x 11.71 x 11.2 cm; 283.5 g
Item model number	Caulking
Size	4 - 10 oz Tube
Colour	White
Style	caulking
Material	Rubber Silicone
Item Package Quantity	1
Special Features	Extendable
Batteries included?	No
Batteries Required?	No

ZiolloRV Roof Lap Sealant - Self-Leveling EPDM Caulk for Rubber Roofs, Seams & Vents - Waterproof Sealant for Motorhomes, Trailers & Campers - White, 1-10 oz Tubes

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