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 Through The Roof Sealant, Brush Grade, 1 Gallon Container, Clear (Pack of 1)

Sashco Through The Roof Sealant, Brush Grade, 1 Gallon Container, Clear (Pack of 1)

Product ID: 350046736

Details

Brand
Sashco
Item dimensions L x W x H
17 x 17 x 19.1
Item weight
45 g
Material
Polymer
Style
Compact

🕒30 min skin dry time

☀️UV resistant, won’t crack

🌧️Apply on wet/rainy surfaces

Description

🏠 Seal it once, forget leaks forever!

PAINT READY FINISH - Paint over with latex in 24 hours or oil-based in one week for a flawless look.
ALL WEATHER APPLICATION - Apply even on wet roofs or in rain—no downtime, no hassle.
ULTRA FAST DRYING POWER - Get a 30-minute skin dry time for quick fixes that keep you moving.
UNIVERSAL SURFACE COMPATIBILITY - Seals everything from metal to wood to concrete with ease.
UNMATCHED ELASTICITY DURABILITY - Stays flexible and lasts 20X longer than traditional roof cement.

Sashco Through The Roof Sealant is a clear, ultra-elastic polymer formula designed for permanent roof leak repair. It dries to a flexible, waterproof seal in just 30 minutes, can be applied on wet surfaces, and withstands extreme weather and UV exposure. Compatible with a wide range of materials, it outperforms traditional roof cement by lasting 20 times longer and offers paintability for a seamless finish.

Specifications

ASIN	B000Y4COP6
Brand Name	Sashco
Compatible Material	Alloy Steel, Copper, Metal, Plastic, Polyvinyl Chloride, Wood
Customer Reviews	4.3 4.3 out of 5 stars (605)
Global Trade Identification Number	00031525140049
Item Dimensions	17 x 17 x 19.1 centimeters
Item Form	Liquid
Item Weight	45 g
Manufacturer	Sashco
Material Type	Polymer
Model	14004
Number of Items	1
Number of Packs	1
Part Number	14004
Style Name	Compact
Surface Recommendation	Roof
UPC	031525140049
Unit Count	3785.41 Milliliters
Water Resistance Level	Waterproof

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