- Home Page /
- Automotive /
- RV Parts & Accessories /
- Cleaning & Maintenance /
- Sealants /
- Dicor Lap Sealants
0 ratings
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
The perfect solution for all your sealing needs.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
HAPS-Free Formula
This sealant is free from hazardous air pollutants, ensuring safety during application and long-lasting environmental benefits for RV owners and maintenance professionals.
Self-Leveling Design
The self-leveling capability easily fills gaps and contours, providing a smooth, clean finish on horizontal surfaces, making it perfect for quick and efficient repairs.
Versatile Application
Ideal for various applications, this sealant is designed specifically for RV roofs, ensuring durability and waterproofing where it’s needed most, effectively preventing leaks.
Product Details
| Item Weight | 0.65 lbs (290 grams) |
Who Should Buy?
-
RV Owners
Ideal for those needing durable and reliable sealant on RV roofs and horizontal surfaces to prevent leaks.
-
Home Repair
Great for homeowners performing maintenance and repairs on appliances or horizontal surfaces requiring waterproof sealing.
-
DIY Enthusiasts
Perfect for those who enjoy DIY projects and need a dependable sealant for various household applications.
-
Heavy-Duty Use
Not suitable for environments with extreme stress or heavy load applications that require stronger adhesives.
-
Cold Temperatures
Users in very cold climates may find this sealant doesn't adhere well or cure properly in low temperatures.
-
Vertical Applications
Not recommended for vertical surfaces as it is specifically designed for use on horizontal surfaces.
Product Description
Dicor Lap Sealants
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is Dicor 551LSB-1 HAPS-Free NON-Leveling Lap Sealant used for?
Answer: Dicor 551LSB-1 is primarily designed for RV roofing applications, maintenance, and repairs. Its non-leveling nature ensures that it stays in place during application, making it perfect for sealing lap seams and other areas needing a durable bond. This sealant can also be used on appliances, providing a reliable waterproof barrier. Whether you're fixing a roof leak or ensuring your RV remains watertight during travel, this sealant offers a secure solution. -
Question:
How does the HAPS-Free component benefit the environment?
Answer: The HAPS-Free designation indicates that this sealant is free from Hazardous Air Pollutants, making it a more environmentally-friendly choice. By using this sealant, you reduce the release of harmful chemicals into the air during application and curing. This is especially beneficial for RV owners or maintenance workers who prioritize eco-safety and want to adhere to green building practices while still achieving effective waterproofing and protection. -
Question:
Can the Dicor 551LSB-1 Lap Sealant be painted over?
Answer: Yes, you can paint over Dicor 551LSB-1 once it has fully cured. This feature allows you to match the color of your RV or appliance seamlessly. To ensure proper adhesion, it's recommended to use a compatible paint that is suitable for exterior applications. This is especially useful for RV enthusiasts who want to maintain aesthetics while ensuring critical sealing functions remain intact. -
Question:
Is Dicor 551LSB-1 suitable for use on fiberglass surfaces?
Answer: Dicor 551LSB-1 is compatible with a variety of surfaces, including fiberglass. Its strong adhesion properties make it a reliable choice for patching and sealing fiberglass roofs, slides, or fixtures in RVs. Ensure that the surface is clean and free from debris for optimal performance. This versatility allows users to address various repair needs on fiberglass surfaces safely and effectively. -
Question:
How long does it take for the Dicor sealant to cure?
Answer: Dicor sealant typically requires about 24 to 48 hours to cure fully, depending on environmental conditions like temperature and humidity. During this time, avoiding water exposure is essential to ensure proper bonding. Understanding this curing time helps users plan repairs effectively, ensuring that they avoid leaks in vulnerable areas, particularly before hitting the road in an RV. -
Question:
Can I use Dicor 551LSB-1 on exterior seams?
Answer: Absolutely, Dicor 551LSB-1 is ideal for exterior seams and is designed specifically for such applications. Its non-leveling formula is particularly useful for areas that experience movement or vibration, ensuring that the seal remains intact. RV users often rely on this sealant to maintain airtight seals against rain and road debris, prolonging the lifespan of their vehicles. -
Question:
What temperature range is suitable for applying this sealant?
Answer: Dicor 551LSB-1 should be applied in temperatures ranging from 50°F to 100°F (10°C to 37°C) for optimal performance. Working within this range ensures the sealant adheres properly and cures effectively, avoiding temperature-related issues. This temperature consideration is especially important during outdoor repairs in varying climates commonly experienced by RV owners. -
Question:
Is the Dicor Lap Sealant flexible enough for moving parts?
Answer: Yes, the Dicor 551LSB-1 sealant is designed with flexibility in mind, allowing it to accommodate movement in joining areas such as slides and seams. This is crucial for RV applications, where vibrations and shifts can occur while traveling. Its flexibility helps maintain a watertight seal even under dynamic conditions, making it a reliable choice for mobile living. -
Question:
How do I apply Dicor 551LSB-1 Lap Sealant?
Answer: To apply Dicor 551LSB-1, ensure the surfaces are clean and dry, then simply snip the tip of the tube for the desired bead size. Apply a steady bead along the joint or seam, allowing it to settle slightly without leveling. Tools like a caulking gun can facilitate even application. This practical method ensures thorough coverage, which is important for longevity in sealing applications. -
Question:
Where can I buy Dicor 551LSB-1 HAPS-Free NON-Leveling Lap Sealant?
Answer: You can buy Dicor 551LSB-1 HAPS-Free NON-Leveling Lap Sealant from Ubuy in Saint Lucia. Ubuy is a reliable e-commerce platform that stocks a variety of quality sealant products, ensuring you have access to the materials needed for your RV maintenance and repair projects. Their efficient service simplifies the purchasing process, making it easier for you to obtain this essential item.
Dicor Sealants Editorial Review
The Dicor 551LSW-1 HAPS-Free NON-Leveling Lap Sealant has garnered positive attention from seasoned users, particularly those involved in RV maintenance. With nearly two decades of trust from long-time users, this sealant stands out as a reliable choice for those with vinyl-type roof membranes on their RVs. Customers praise its ease of application and self-leveling properties, making it an accessible product for both novices and experienced DIYers alike. Reviews highlight the sealant's versatility; users have successfully employed it for various applications on their RVs, including securely attaching mounting brackes for devices like StarLink and performing annual resealing checks to address any cracking in adhesive joints. The conclusion is unanimous among users: the product not only adheres effectively but also enhances the overall appearance of finishes, even surpassing that of the original installations in some cases. In terms of performance, customers appreciate its fast drying time and water-resistant nature, which are critical factors for maintaining the longevity of RV roofs against harsh weather conditions. The Consensus is clear: Dicor's Lap Sealant is an outstanding choice for RV enthusiasts looking for a high-quality, easy-to-use sealant. **
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Pros
- Ease of application
- Self-leveling properties
- Versatile usage (adhesives and sealing)
- Quick drying time
- Water-resistant
- High-quality finish
Cons
- Limited review on long-term durability (not explicitly mentioned)
Platform Trust & Buyer Confidence
MT
Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer
“Accurate delivery timing given”
16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer
“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
LM
Leila
Verified buyer
“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer
“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
Currently unavailable.
We don't know when or if this item will be back in stock.
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
Fastest cross-border delivery