can this be applied over silicone

Says right on the container: "Remove any silicone with a silicone caulk remover".

Is this a silicone or a rubber-based product? Or something else?

It says it's a co-polymer rubber in one of the descriptions.

Why would this sealant and the through the roof cartridge sealant be "frequently bought together"? Is there a difference in what they do?

I bought the two together so that with the cartridge it could be squeezed into tight fitting cracks. And I bought the stuff in the can so that it could be brushed over to possibly seal anything that was missed with the cartridge. Kind of a double up in order to catch a leak that has been hard to find.

Hi! Can I apply this with a foam brush?

Schmitt, you could over a small area, but the foam will fall apart. a 3 to 4 inch bristle brush is ideal for large areas. My wife has used a 2 inch brush on some seams on her car.

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Sashco 14004 Gallon Clear Roof Sealant

Product ID: 15718053

Details

Brand
Sashco
Item Weight
1.6 ounces
Item dimensions L x W x H
6.7 x 6.7 x
Material
polymer
Style
Gallon

☀️Superior UV & weather resistance

🌧️Applies on wet surfaces, rain-ready

🛠️Ultra-elastic & durable sealant

€ 217.55

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛡️ Seal smart, stay leak-free — the clear choice for roof pros!

WEATHER WARRIOR - Apply anytime—even on wet roofs—and withstands rain, snow, sun, and freezing temps without cracking.
CUSTOMIZABLE FINISH - Paintable surface lets you match your roof style while keeping it waterproof and mildew resistant.
INVISIBLE PROTECTION - Clear formula seals without the messy asphalt look, maintaining your roof’s sleek aesthetic.
LEAK PROOF CONFIDENCE - Permanently stops roof leaks with powerful adhesion that flexes with temperature changes.
LONG LASTING DURABILITY - Outlasts traditional asphalt sealants by 2-3x, resisting brittleness and mildew for years.

Sashco 14004 Gallon Clear Roof Sealant is a US-made, ultra-elastic polymer caulk designed to permanently seal and protect roofs. It applies easily on wet or dry surfaces, resists UV rays, extreme temperatures, and moisture, and lasts 2-3 times longer than asphalt alternatives—all while maintaining a clear, paintable finish.

Specifications

ASIN	B000Y4COP6
Best Sellers Rank	#10,860 in Automotive ( See Top 100 in Automotive ) #56 in RV Sealants
Brand Name	Sashco
Color	Clear
Compatible Material	Asphalt
Customer Reviews	4.6 4.6 out of 5 stars (2,138)
Global Trade Identification Number	00031525140049
Included Components	Gallon Clear Roof Sealant
Item Dimensions	6.7 x 6.7 x 7.5 inches
Item Form	Liquid
Item Type Name	Gallon Clear Roof Sealant
Item Weight	1.6 ounces
Manufacturer	SASHCO SEALANTS
Material Type	polymer
Model	14004
Number of Items	1
Part Number	14004
Style Name	Gallon
Surface Recommendation	Roof
UPC	031525140049
Unit Count	1 Count
Warranty Description	Warranty
Water Resistance Level	Waterproof

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