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 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

🧱Bonds 7+ surfaces

🌧️100% waterproof seal

🛠️10.3 oz precision tube

NZ$46

Duties & taxes included

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Sold byAmazon New ZealandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛡️ Seal smart, stay dry, and lead the pack!

TRUSTED BY THOUSANDS - Ranked #1 in RV sealants with a 4.7-star rating from over 18,000 users—join the elite group who never compromise on quality.
SEAMLESS ROOF DEFENSE - Creates a watertight, flexible secondary seal that guards your roof’s edges and vents against leaks and weather damage.
UV STABLE WHITE FINISH - Maintains a clean, bright look without staining or discoloration, ensuring your roof stays pristine and professional.
UNIVERSAL SURFACE GRIP - Adheres flawlessly to aluminum, wood, vinyl, concrete, fiberglass, galvanized metal, and mortar—versatility that professionals trust.
SELF LEVELING PRECISION - Flows smoothly to fill gaps and cracks evenly, delivering a flawless finish that’s both durable and visually seamless.

Dicor 501LSW-1 is a premium 10.3 oz self-leveling EPDM lap sealant designed for professional-grade waterproofing. It bonds securely to multiple surfaces including aluminum, wood, vinyl, and concrete, creating a flexible, UV-stable white seal that resists discoloration and weather damage. Perfect for roofing edges, vents, and screw heads, it’s the #1 choice in RV sealants with proven durability and a top-rated customer satisfaction.

Specifications

ASIN	B000BRF7QE
Best Sellers Rank	#68 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 (18,648)
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
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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NZ$46

Duties & taxes included

In stock

Sold byAmazon New ZealandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to New Zealand.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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