---
product_id: 7387397
title: "Dicor 551LSW-1 HAPS-Free NON-Leveling Lap Sealant - 10.3 Oz, White, Secure, Ideal for RV Roofing, Maintenance, Repair, Appliance Application | Watertight seal along roof edge, air vents, pipes and screw heads, for EPDM plus DiFlex II, Tufflex, PVC, PriTEK TPO roofing"
brand: "dicor"
price: "98.96 DT"
currency: TND
in_stock: true
category: "Dicor"
url: https://www.desertcart.tn/products/7387397-dicor-551lsw-1-haps-free-non-leveling-lap-sealant-10
store_origin: TN
region: Tunisia
---

# Watertight seal Sun-ray stabilized Multi-surface adhesion Dicor 551LSW-1 HAPS-Free NON-Leveling Lap Sealant - 10.3 Oz, White, Secure, Ideal for RV Roofing, Maintenance, Repair, Appliance Application | Watertight seal along roof edge, air vents, pipes and screw heads, for EPDM plus DiFlex II, Tufflex, PVC, PriTEK TPO roofing

**Brand:** dicor
**Price:** 98.96 DT
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** Dicor 551LSW-1 HAPS-Free NON-Leveling Lap Sealant - 10.3 Oz, White, Secure, Ideal for RV Roofing, Maintenance, Repair, Appliance Application | Watertight seal along roof edge, air vents, pipes and screw heads, for EPDM plus DiFlex II, Tufflex, PVC, PriTEK TPO roofing by dicor
- **How much does it cost?** 98.96 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/7387397-dicor-551lsw-1-haps-free-non-leveling-lap-sealant-10)

## 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

- • **Sun-Proof Durability:** Sun-ray stabilized formula prevents discoloration and maintains sleek white finish.
- • **Watertight Confidence:** Seals roof edges, vents, pipes & screws with precision to keep leaks out.
- • **Multi-Material Mastery:** Adheres flawlessly to aluminum, wood, vinyl, galvanized metal, mortar, and concrete.
- • **Flexible & Long-Lasting:** Remains flexible over time, adapting to roof movements without cracking or peeling.
- • **Versatile Compatibility:** Perfectly bonds 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 creating watertight seals on RV roofs. Engineered for EPDM and compatible with multiple roofing materials including PVC and TPO, it offers superior adhesion to diverse surfaces like metal, wood, and concrete. Its sun-ray stabilized, non-leveling formula ensures long-lasting flexibility and prevents discoloration, making it the #1 choice for RV maintenance and repair.

## 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 | #94 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 (6,212) |
| 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 |
| 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 HAPS-Free NON-Leveling Lap Sealant - 10.3 Oz, White, Secure, Ideal for RV Roofing, Maintenance, Repair, Appliance Application | Watertight seal along roof edge, air vents, pipes and screw heads, for EPDM plus DiFlex II, Tufflex, PVC, PriTEK TPO roofing - Image 1](https://m.media-amazon.com/images/I/71XiBxLG7yL.jpg)
![Dicor 551LSW-1 HAPS-Free NON-Leveling Lap Sealant - 10.3 Oz, White, Secure, Ideal for RV Roofing, Maintenance, Repair, Appliance Application | Watertight seal along roof edge, air vents, pipes and screw heads, for EPDM plus DiFlex II, Tufflex, PVC, PriTEK TPO roofing - Image 2](https://m.media-amazon.com/images/I/71NaCa0MezL.jpg)
![Dicor 551LSW-1 HAPS-Free NON-Leveling Lap Sealant - 10.3 Oz, White, Secure, Ideal for RV Roofing, Maintenance, Repair, Appliance Application | Watertight seal along roof edge, air vents, pipes and screw heads, for EPDM plus DiFlex II, Tufflex, PVC, PriTEK TPO roofing - Image 3](https://m.media-amazon.com/images/I/71ji4swv9DL.jpg)
![Dicor 551LSW-1 HAPS-Free NON-Leveling Lap Sealant - 10.3 Oz, White, Secure, Ideal for RV Roofing, Maintenance, Repair, Appliance Application | Watertight seal along roof edge, air vents, pipes and screw heads, for EPDM plus DiFlex II, Tufflex, PVC, PriTEK TPO roofing - Image 4](https://m.media-amazon.com/images/I/81ZD9X38+eL.jpg)
![Dicor 551LSW-1 HAPS-Free NON-Leveling Lap Sealant - 10.3 Oz, White, Secure, Ideal for RV Roofing, Maintenance, Repair, Appliance Application | Watertight seal along roof edge, air vents, pipes and screw heads, for EPDM plus DiFlex II, Tufflex, PVC, PriTEK TPO roofing - Image 5](https://m.media-amazon.com/images/I/81uMLIo9lIL.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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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-08-04*