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🛠️ Seal Smart, Travel Confident: The Ultimate RV Window & Door Armor
Dicor 351CSB-1 HAPS-Free Cap Sealant is a 10.3 oz black, paintable sealant designed for RV window, door, and compartment maintenance. It offers fast drying, excellent adhesion to multiple surfaces including metal, wood, and fiberglass, and provides a durable, crack-resistant, water- and sun-ray-resistant seal. Trusted by thousands with a 4.7-star rating, it combines professional-grade performance with easy application for long-lasting protection on the road.
| ASIN | B081DQ5D34 |
| Best Sellers Rank | #2,229 in Automotive ( See Top 100 in Automotive ) #7 in RV Sealants |
| Brand | Dicor |
| Brand Name | Dicor |
| Color | Black |
| Compatible Material | Engineered Wood, Glass, Metal, Plastic, Rubber |
| Customer Reviews | 4.7 out of 5 stars 1,661 Reviews |
| Included Components | Dicor 351Csb-1 Black Cap Sealant 10 Oz Tube |
| Item Dimensions | 11.5 x 2 x 2 inches |
| Item Form | Liquid |
| Item Type Name | Dicor 351Csb-1 Black Cap Sealant 10 Oz Tube |
| Item Weight | 12 ounces |
| Item dimensions L x W x H | 11.5 x 2 x 2 inches |
| Manufacturer | Dicor |
| Material | Plastic |
| Material Type | Plastic |
| Model | 351CSB-1 |
| Number of Items | 1 |
| Part Number | 351CSB-1 |
| Style | Black Cap Sealant |
| Style Name | Black Cap Sealant |
| Surface Recommendation | Window |
| UPC | 677917010967 |
| Unit Count | 10.3 Fluid Ounces |
| Water Resistance Level | Water Resistant |
L**E
Excellent RV Sealant – Crack Resistant, Smooth Finish & Great Value!
The Dicor 351CSCL-1 HAPS-Free Cap Sealant is perfect for RV window and door maintenance! The clear formula gives a clean, professional look, and it levels beautifully for a smooth finish. It offers outstanding sealability, crack resistance, and long-lasting durability—even in harsh weather. Easy to apply and dries evenly without mess. Great quality and value for money—a must-have for RV owners who want reliable waterproofing and a polished appearance. Highly recommend—I’ll buy again!
D**E
Good product
Works good sealed up around vent nicely
K**R
Keep your trailer watertight
I bought the Dicor brand, because it was the most recommended on the internet and when my local RV dealer wanted hundreds of dollars to reseal my trailer, this was the brand they were going to use. Instead, I bought it off Amazon for half the price they wanted for a tube at the shop, and did it myself. The sealant goes on very smooth and even. It’s clear, so it dries with a shine, but it’s not too noticeable. It is very gooey, so I brought a few rags and some water to clean and run off, as it can get pretty messy if you’re not careful. I have. 22’ trailer and it took me 2 tubes to seal around the windows, door, and base of the rv. The tube goes a long way, but I was very liberal applying it. Keeping the rv watertight is the most important thing you can do to preserve your trailer, so it’s well worth the cost and I wouldn’t skimp on a lesser brand.
D**C
A++
Works amazing
D**.
Good sealant
Used on camper and seems to be good quality and working
S**.
Product is as advertised
I found the quality of this product excellent compared to the other major brand tried. Both adhesive and weathering properties were great. Applied it several months ago and have not noticed any shrinkage or wear and applied area is constantly in direct sunlight.
R**N
Self flattens level.
Bought for RV. Does the job as destination. Goes on bright white and does not have lumps. Seems to flatten out nicely smooth
R**5
Worked perfectly
The black is perfect the application easy and recommended
A**A
Excellent scellant
Il est facile à appliquer, adhère bien aux surfaces et offre une bonne protection contre les infiltrations d’eau. La finition transparente est pratique puisqu’elle s’intègre bien à différents matériaux. Un produit de qualité, idéal pour l’entretien et les réparations d’un véhicule récréatif.
D**E
Meilleur produit pour les joints de VR
Produit très efficace pour les joints de VR
J**T
Very good
V Good products
M**E
Good sealer
This was perfect for our fifth wheel. Very good sealer
D**N
It works
Good product and quick delivery
Trustpilot
2 weeks ago
2 months ago