I have a wooden bucket ice cream maker that won't swell anymore and the water leaks out of it. Will this work with the salt brine?

I am not sure if this would work. I would try gorilla glue.

Can this effectively seal a leaky window?

Yes many people have had great success fixing a leaky window with Flex Seal. You can use painters tape to section off the area you want to apply it to. You may also want to try Flex Shot, which is a rubber caulking material, and will give you pinpoint accuracy.

Will it seal the bottom of a blow up matress

Thank you for reaching out! We do not recommend Flex Seal Spray for this application, it is not meant for high pressure or temperature situations. Lucas - Customer Care at Flex Seal Products (Swift Response - The makers of Flex Seal)

would this be good for a bed truck liner?

Not sure, it would take an awful lot to spray a bed of a truck and we found it to be sticky when it got hot! We used it on a gutter so it didn't matter.

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Flex Seal Spray Rubber Sealant Coating,14oz - Pack of 2 (Black)

Product ID: 255083456

Details

Brand
Flex Seal
Item dimensions L x W x H
24.1 x 6.4 x
Item weight
28 Ounces
Material
Rubber
Style
Compact

💧100% waterproof seal

🖤durable black rubber finish

🛠️14oz dual-pack power

Description

🖤 Seal it, spray it, own it — Flex Seal your fixes like a pro!

PAINTABLE FINISH - Customize your repair with a sleek black coat
FLEXIBLE DURABLE - Rubberized coating that bends without breaking
RAPID LEAK STOPPER - Seals leaks instantly to save your day
MULTI SURFACE MASTER - Perfect for metal, wood, gutters, RVs & more
ALL WEATHER PROTECTION - Waterproof barrier guards against moisture & rust

Flex Seal Spray Rubber Sealant Coating (14oz, 2-pack) delivers a fast, flexible, and waterproof rubberized barrier that stops leaks and protects surfaces from moisture and rust. Ideal for quick repairs on metal, wood, gutters, and RVs, it offers a durable black finish that’s paintable for a seamless look.

Specifications

ASIN	B005SGM0YK
Best Sellers Rank	#54,018 in Automotive ( See Top 100 in Automotive ) #222 in Automotive Fillers, Adhesives & Sealants
Brand Name	Flex Seal
Color	Black
Compatible Material	Rubber
Customer Reviews	4.5 4.5 out of 5 stars (3,615)
Global Trade Identification Number	00810129871357
Item Dimensions	24.1 x 6.4 x 6.4 centimeters
Item Form	Liquid, Spray, Aerosol
Item Highlight	Stops leaks fast, seals out water, air, moisture, prevents rust, paintable, flexible, gutters, roof repair, RV, wood, metal
Item Weight	28 Ounces
Material Type	Rubber
Model	FSR20-2
Number of Items	2
Number of Packs	2
Part Number	FSR20-2
Style Name	Compact
Surface Recommendation	Window
UPC	810129871357
Unit Count	14 Ounce
Water Resistance Level	Waterproof

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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Great price for an authentic product. Fast international shipping too!

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