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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Dicor 501LSW-1 Epdm Self-Leveling Lap Sealant-10.3 Oz. Tube, White, 10.3 Fluid_Ounces (Packaging May Vary)

Dicor 501LSW-1 Epdm Self-Leveling Lap Sealant-10.3 Oz. Tube, White, 10.3 Fluid_Ounces (Packaging May Vary)

Product ID: 4286003

Details

Brand
Dicor
Item Weight
12.8 ounces
Item dimensions L x W x H
11.25 x 2 x 2
Material
Rubber
Style
Self-Leveling

🧪UV stabilized, no discoloration

🌧️Waterproof & weatherproof seal

🛠️10.3 oz precision tube

₹ 2137

Duties & taxes included

In stock

Sold byAmazon IndiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛡️ Seal your roof like a pro—don’t let leaks crash your vibe!

PRO GRADE FINISH - White, color-matched formula that won’t stain or discolor surfaces
COMPACT POWER TUBE - 10.3 oz size delivers professional results with minimal waste
UNIVERSAL ADHESION - Bonds firmly to aluminum, wood, vinyl, concrete & more
DURABLE WEATHER SHIELD - Creates a watertight, flexible seal that withstands rain & UV rays
EFFORTLESS SELF LEVELING - Flows smoothly to fill gaps perfectly without extra work

Dicor 501LSW-1 is a 10.3 oz self-leveling EPDM lap sealant designed for professional-grade waterproof sealing on roofs, vents, and pipes. Compatible with multiple materials including EPDM and TPO sheeting, it offers superior adhesion, UV stability, and a flexible, watertight finish that resists discoloration. Trusted by thousands with a 4.7-star rating, this compact tube delivers reliable protection against weather damage and aging.

Specifications

ASIN	B000BRF7QE
Best Sellers Rank	#85 in Automotive ( See Top 100 in Automotive ) #1 in RV Sealants
Brand Name	Dicor
Color	White
Compatible Material	Aluminum, Concrete, Fiberglass, Metal, Vinyl
Customer Reviews	4.7 4.7 out of 5 stars (18,708)
EU Spare Part Availability Duration	5 years
Global Trade Identification Number	00677917000333
Included Components	Tube
Item Dimensions	11.25 x 2 x 2 inches
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
Number of Packs	1
Part Number	501LSW-1
Style Name	Self-Leveling
Surface Recommendation	Roof,Vent
UPC	700115572927 677917000333
Unit Count	1 Count
Water Resistance Level	Waterproof

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