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🔧 Seal smart, travel far — keep your RV flawless on every adventure!
The Dicor 351CSCL-1 HAPS-Free Cap Sealant is a 10.1 oz clear, paintable gel designed for RV window and door maintenance. It offers superior UV and water resistance, fast drying, and crack resistance. Compatible with a wide range of materials including metal, wood, fiberglass, and glass, it ensures a durable, invisible seal that preserves your RV’s aesthetic while protecting against the elements. Highly rated and easy to apply, it’s the go-to sealant for professional-grade RV upkeep.
| ASIN | B07D1DZ73N |
| Best Sellers Rank | #1,990 in Automotive ( See Top 100 in Automotive ) #6 in RV Sealants |
| Brand | Dicor |
| Brand Name | Dicor |
| Color | Clear/ Transparent |
| Compatible Material | Aluminum, Metals, Fiberglass, Wood, Plastic, Vinyl and Glass. |
| Customer Reviews | 4.7 out of 5 stars 1,652 Reviews |
| Global Trade Identification Number | 00677917010523 |
| Included Components | Dicor Corporation 351CSCL-1 Clear Cap Sealant 10 Oz Tube |
| Item Dimensions | 11.5 x 2 x 2 inches |
| Item Form | Gel |
| Item Type Name | Ounce Tube |
| Item Weight | 10 Ounces |
| Item dimensions L x W x H | 11.5 x 2 x 2 inches |
| Manufacturer | Dicor |
| Material | Synthetic Rubber |
| Material Type | Synthetic Rubber |
| Model | 351CSCL-1 |
| Number of Items | 1 |
| Part Number | 351CSCL-1 |
| Style | Clear Cap Sealant |
| Style Name | Clear Cap Sealant |
| Surface Recommendation | Window and Door |
| UPC | 677917010523 |
| Unit Count | 10.1 Ounce |
| Warranty Description | Manufacturer Warranty |
| 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.
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
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**5
Worked perfectly
The black is perfect the application easy and recommended
J**N
RV Window and Door Sealant That Stays Put and Seals Tight
RV Window and Door Sealant That Stays Put and Seals Tight Used this Dicor cap sealant on my RV window frames and entry door perimeters—the black color blends well, and the non-sag formula stays in place on vertical surfaces without dripping. It skins over quickly, remains flexible through temperature changes, and has kept water out through multiple seasons. Only note: surfaces must be clean and dry for optimal adhesion, but once applied, it's proven durable and paintable as advertised.
A**R
Scellant pour roulotte
Très bon produit
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
1 month ago
1 day ago