---
product_id: 7387397
title: "Dicor 551LSW-1 Non-Leveling Lap Sealant, White, 10.3 Oz, RV Roofing | HAPS-free; secondary seal for roof edges; vents & screw heads; sun-ray stabilized; RV maintenance & repair"
brand: "dicor"
price: "¥3860"
currency: JPY
in_stock: true
category: "Dicor"
url: https://www.desertcart.jp/products/7387397-dicor-551lsw-1-non-leveling-lap-sealant-white-10-3
store_origin: JP
region: Japan
---

# 10.3 oz waterproof sealant Sun-ray stabilized for UV resistance Compatible with 6+ roofing materials Dicor 551LSW-1 Non-Leveling Lap Sealant, White, 10.3 Oz, RV Roofing | HAPS-free; secondary seal for roof edges; vents & screw heads; sun-ray stabilized; RV maintenance & repair

**Brand:** dicor
**Price:** ¥3860
**Availability:** ✅ In Stock

## Summary

> 🛡️ Seal smart, stay leak-free — the ultimate RV roof armor!

## Quick Answers

- **What is this?** Dicor 551LSW-1 Non-Leveling Lap Sealant, White, 10.3 Oz, RV Roofing | HAPS-free; secondary seal for roof edges; vents & screw heads; sun-ray stabilized; RV maintenance & repair by dicor
- **How much does it cost?** ¥3860 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/7387397-dicor-551lsw-1-non-leveling-lap-sealant-white-10-3)

## Best For

- dicor enthusiasts

## Why This Product

- Trusted dicor brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Flexible & Strong:** Maintains flexibility while adhering to aluminum, wood, vinyl, and concrete surfaces.
- • **Sleek White Finish:** Stylish white hue enhances your RV roof’s clean, professional look.
- • **UV-Proof Durability:** Sun-ray stabilized formula prevents discoloration and degradation over time.
- • **Watertight Confidence:** Seals roof edges, vents, and screws flawlessly to keep leaks out.
- • **Versatile Compatibility:** Works seamlessly with EPDM, PVC, TPO, and more for all your RV roofing needs.

## Overview

Dicor 551LSW-1 is a premium 10.3 oz white lap sealant designed for RV roofing and maintenance. It creates a watertight, flexible seal compatible with EPDM, PVC, TPO, and other roofing materials. Sun-ray stabilized to resist UV damage and discoloration, it adheres strongly to multiple surfaces including metal, wood, and concrete, ensuring long-lasting protection and a clean finish.

## Description

Dicor Corporation Part #551LSW Non-Sag White Lap SealantbrbrHelps create watertight seal along a roofs edges#44; air vents#44; vent pipes and screw heads. Dicor Products Lap Sealant is a versatile sealant formulated for EPDM roofing but also compatible with most other roofing material#44; including Dicor DiFlex IItrade; and BriTEKtrade; TPO roofing. It offers excellent adhesion to aluminum#44; mortar#44; wood#44; vinyl#44; galvanized metal and concrete. Package Quantity = 1

## Features

- USE: This sealant helps create a watertight seal along a roof's edge, air vents, vent pipes, and screw heads
- COLOR: White hue for stylish and beautiful RV roof
- COMPATIBILITY: Formulated for EPDM roofing but also compatible with most other roofing material, including Dicor DiFlex II, Tufflex, PVC, and PriTEK TPO roofing
- LONG LASTING: sun-ray stabilized to avoid discoloration and spoiling and will not stain or discolor any material to which it is applied
- FEATURES: Offers excellent adhesion to aluminum, mortar, wood, vinyl, galvanized metal, and concrete; Continuously seals and remains flexible

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B003YJLIW8 |
| Best Sellers Rank | #93 in Automotive ( See Top 100 in Automotive ) #1 in RV Sealants |
| Brand Name | Dicor |
| Color | White |
| Compatible Material | Rubber, Epdm, Dicor Diflex Ii, Tufflex, Pvc, Pritek Tpo |
| Customer Reviews | 4.6 4.6 out of 5 stars (6,253) |
| Global Trade Identification Number | 00677917000661 |
| Included Components | Dicor Corporation 551Lsw-12 Edpm Lap Seal 10.3 Oz. Tube Wht |
| Item Dimensions | 11.25 x 2 x 2 inches |
| Item Form | Liquid |
| Item Type Name | Dicor Corporation 551Lsw-12 Edpm Lap Seal 10.3 Oz. Tube Wht |
| Item Weight | 14.4 ounces |
| Manufacturer | Dicor |
| Material Type | Rubber |
| Model | 551LSW1 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | 551LSW-1 |
| Style Name | Non-Leveling |
| Surface Recommendation | Roof |
| UPC | 677917000661 |
| Unit Count | 10.3 Fluid Ounces |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** Dicor
- **Item Weight:** 14.4 ounces
- **Item dimensions L x W x H:** 11.25 x 2 x 2 inches
- **Material:** Rubber
- **Style:** Non-Leveling

## Images

![Dicor 551LSW-1 Non-Leveling Lap Sealant, White, 10.3 Oz, RV Roofing | HAPS-free; secondary seal for roof edges; vents & screw heads; sun-ray stabilized; RV maintenance & repair - Image 1](https://m.media-amazon.com/images/I/71XiBxLG7yL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Questions & Answers

**Q: What is the difference between the 501 and 551 versions of this sealant?**
A: Both are non-sag, but 501 is for horizontal surfaces and 551 is for vertical surfaces. Not sure what the difference is. The last letter indicates the color. (W=white)

**Q: can this caulk tube of dico r be reseal ed after opening, to be used at a later date or will it just dry out.?**
A: There is a product out there called Little Red Cap (https://www.amazon.com/Little-Red-Cap-Canister/dp/B076CRG6WN/ref=sr_1_3?crid=26RMJPU78XU9Y&keywords=little+red+cap+caulking+tube+covers&qid=1568080303&s=automotive&sprefix=little+red+cap+c%2Cautomotive%2C178&sr=1-3-catcorr). I have had tubes covered for many months and they don't dry out.  I have found this at local hardware stores as well.

**Q: can i use this to seal corner trim on rv or will it sag to much**
A: Non sagging like the label says.

**Q: Do you have it in black?**
A: Yes, we do.  The part number is 551LSB-1

## Frequently Bought Together

- Dicor 551LSW-1 HAPS-Free NON-Leveling Lap Sealant - 10.3 Oz, White, Secure, Ideal for RV Roofing, Maintenance, Repair, Appliance Application
- Dicor 501LSW-1 Self-Leveling Lap Sealant, 4 Pack
- Dicor BT-1834-1 Butyl Seal Tape - 1/8" x 3/4" x 30' Repair Tape for RV, Trailer, Motorhome, Window, and Vent Sealing

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**Shop now:** [https://www.desertcart.jp/products/7387397-dicor-551lsw-1-non-leveling-lap-sealant-white-10-3](https://www.desertcart.jp/products/7387397-dicor-551lsw-1-non-leveling-lap-sealant-white-10-3)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-08-28*