if i use part of the tube of dicor, how do i keep the tip from hardening so i can reuse it

YES the Dicor tip has to be sealed. YOU NEED TO KEEP AIR OUT, what I use is a screw that will fit snug in to the tip hole, then make a aluminum foil cone over that. A small wooden dowel that fits in to the tip hole. Anything that will keep air out

Why does the Amazon photo say it is "self-leveling" but under "Usage" say it is non-leveling? Are products sent labeled the same way?

No. There may be an error in the Amazon foto. There are two DIFFERENT Dicor products. Each is labeled self labeling or non leveling on the tube. Self leveling is used for lateral sealing ie. on your roof. Non- leveling is used for verticle sealing ie. where the sides of your RV meet the end cap. I've used it for years and it does a good job.

Will it adhere to the rubber roof material?

Yes it will and works perfect for the project. Mine is a rubber roof...

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501LSW-1 HAPS-Free Self-Leveling Lap Sealant for horizontal surfaces - 10.3 Oz, White, Secure, Ideal for RV Roofing, Maintenance, Repair, Appliance Application

Product ID: 266204460

Details

Brand
Dicor
Item dimensions L x W x H
28.6 x 5.1 x
Item weight
12.8 Ounces
Material
Rubber
Style
Self-Leveling

💧Waterproof, flexible seal

☀️Sun-ray stabilized - no discoloration

🛠️Self-leveling for smooth, pro finish

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฿2345

Duties & taxes included

In stock

Sold byAmazon ThailandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Seal it, forget it, and flex your RV’s flawless roof game!

COMPACT READY TO USE - 10.3 oz tube designed for easy application on horizontal surfaces—perfect for quick maintenance or major repairs.
UNIVERSAL COMPATIBILITY - Bonds securely with EPDM, TPO, PVC, metal, wood, vinyl, and more—versatility that covers all your repair needs.
HAPS FREE ECO CONSCIOUS - Safe for you and the environment without sacrificing performance or longevity.
EFFORTLESS PRO LEVEL FINISH - Self-leveling formula ensures a smooth, flawless seal every time, even for DIY rookies.
SUN RAY STABILIZED DURABILITY - Resists UV damage and discoloration, keeping your RV roof looking pristine season after season.

Dicor 501LSW-1 is a premium, HAPS-free self-leveling lap sealant designed for horizontal RV roofing surfaces. Its sun-ray stabilized white formula prevents discoloration and stains while providing a flexible, waterproof seal compatible with EPDM, TPO, PVC membranes, and various building materials. Ideal for professional-quality repairs and maintenance, it ensures long-lasting protection and a sleek finish.

Specifications

ASIN	B000BRF7QE
Best Sellers Rank	#26,846 in Automotive ( See Top 100 in Automotive ) #10 in RV Cleaning, Storage & Maintenance
Brand Name	Dicor
Color	White
Compatible Material	Metal
Customer Reviews	4.7 4.7 out of 5 stars (14,612)
EU Spare Part Availability Duration	5 Years
Global Trade Identification Number	00677917000333
Included Components	Tube
Item Dimensions	28.6 x 5.1 x 5.1 centimeters
Item Form	Liquid
Item Type Name	Dicor 501LSW-1 Lap Sealant - 10.3 oz.
Item Weight	12.8 Ounces
Manufacturer	Dicor
Material Type	Rubber
Model	501LSW-1
Number of Items	1
Part Number	501LSW-1
Style Name	Self-Leveling
Surface Recommendation	Roof,Vent
UPC	677917000319 700115572927 677917000333
Unit Count	1 Count
Water Resistance Level	Waterproof

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