--- product_id: 285203189 title: "551LSW-1 HAPS-Free NON-Leveling Lap Sealant - 10.3 Oz, White, Secure, Ideal for RV Roofing, Maintenance, Repair, Appliance Application" brand: "dicor" price: "€ 49.47" currency: EUR in_stock: true reviews_count: 5 category: "Dicor" url: https://www.desertcart.hr/products/285203189-551lsw-1-haps-free-non-leveling-lap-sealant-10-3 store_origin: HR region: Croatia --- # 100% waterproof seal UV-stabilized for lasting white finish superior adhesion on 6+ materials 551LSW-1 HAPS-Free NON-Leveling Lap Sealant - 10.3 Oz, White, Secure, Ideal for RV Roofing, Maintenance, Repair, Appliance Application **Brand:** dicor **Price:** € 49.47 **Availability:** βœ… In Stock ## Summary > πŸ’Ό Seal your RV’s future with confidence β€” the pro’s choice for lasting protection! ## Quick Answers - **What is this?** 551LSW-1 HAPS-Free NON-Leveling Lap Sealant - 10.3 Oz, White, Secure, Ideal for RV Roofing, Maintenance, Repair, Appliance Application by dicor - **How much does it cost?** € 49.47 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/285203189-551lsw-1-haps-free-non-leveling-lap-sealant-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 - β€’ **Flexible Durability:** Remains pliable over time, adapting to roof movements without cracking. - β€’ **Pro-Grade Application:** Non-leveling, easy-to-use formula ensures a clean, professional finish every time. - β€’ **Watertight Confidence:** Seals roof edges, vents, and screws flawlessly to keep leaks out. - β€’ **Universal Compatibility:** Engineered for EPDM but bonds perfectly with PVC, TPO, metal, wood, and more. - β€’ **Sun-Resistant Brilliance:** UV-stabilized formula prevents yellowing and maintains a crisp white look. ## Overview Dicor 551LSW-1 is a premium 10.3 oz white lap sealant designed for RV roofing and maintenance. It delivers a watertight, flexible seal compatible with EPDM, PVC, TPO, and multiple roofing materials. UV-stabilized to resist discoloration, it adheres strongly to metals, wood, vinyl, and concrete, ensuring long-lasting protection against leaks and weather damage. ## 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 Review: As per description - Easy to use and does what it’s supposed to do Review: Good quality - This is probably the universal standard for RV’s.I have used it a lot both sag & non sag.Works well when applied correctly. ## 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 | #174,573 in Automotive ( See Top 100 in Automotive ) #45 in RV Cleaning, Storage & Maintenance | | Brand | Dicor | | Brand Name | Dicor | | Color | White | | Compatible Material | Rubber, Epdm, Dicor Diflex Ii, Tufflex, Pvc, Pritek Tpo | | Customer Reviews | 4.7 out of 5 stars 4,421 Reviews | | Global Trade Identification Number | 00677917000661 | | Included Components | Dicor Corporation 551Lsw-12 Edpm Lap Seal 10.3 Oz. Tube Wht | | Item Dimensions | 28.6 x 5.1 x 5.1 centimeters | | Item Form | Liquid | | Item Type Name | Dicor Corporation 551Lsw-12 Edpm Lap Seal 10.3 Oz. Tube Wht | | Item Weight | 0.9 Pounds | | Item dimensions L x W x H | 28.6 x 5.1 x 5.1 centimeters | | Item weight | 0.9 Pounds | | Manufacturer | Dicor | | Material | Rubber | | Material Type | Rubber | | Model | 551LSW1 | | Number of Items | 1 | | Part Number | 551LSW-1 | | Style | Non-Leveling | | Style Name | Non-Leveling | | Surface Recommendation | Roof | | UPC | 677917000661 | | Unit Count | 10.3 Milliliters | | Water Resistance Level | Waterproof | | Water resistance level | Waterproof | ## Product Details - **Brand:** Dicor - **Item dimensions L x W x H:** 28.6 x 5.1 x 5.1 centimeters - **Item weight:** 0.9 Pounds - **Material:** Rubber - **Style:** Non-Leveling ## Images ![551LSW-1 HAPS-Free NON-Leveling Lap Sealant - 10.3 Oz, White, Secure, Ideal for RV Roofing, Maintenance, Repair, Appliance Application - Image 1](https://m.media-amazon.com/images/I/71XiBxLG7yL.jpg) ## 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 ## Customer Reviews ### ⭐⭐⭐⭐⭐ As per description *by G***Y on 23 January 2026* Easy to use and does what it’s supposed to do ### ⭐⭐⭐⭐⭐ Good quality *by D***E on 14 January 2025* This is probably the universal standard for RV’s.I have used it a lot both sag & non sag.Works well when applied correctly. ### ⭐⭐⭐⭐⭐ Great for RV sealing *by R***N on 20 September 2024* It's a great product that is recommended by most RV manufacturers for sealing or resealing most roofs. (Check your owners manual) Tip..I like to use it in conjunction with self leveling to contain it ## 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 --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/285203189-551lsw-1-haps-free-non-leveling-lap-sealant-10-3](https://www.desertcart.hr/products/285203189-551lsw-1-haps-free-non-leveling-lap-sealant-10-3) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-05-22*