Can you use this Flex seal too caulk around your window frames? (more like a insulation)?, or stop a small draft creeping thru your window pane?

I'm sure you can. I have a waterwheel and trough. I sealed the trough, as it was leaking in several places. Even though water runs rapidly down the trough, I've had no leaking now for 2 years. I also used it to seal a leak on my ATV tir rim. The rim had a slight curve and wouldn't hold air. I sealed the sot that was leaking and it worked perfectly.

I have a leak in my car trunk, can this be used?

It really depends on why there is a leak, but probably not. If it's the weather stripping around the trunk (that rubber tubing stuff), I doubt that this stuff will replace or repair that. That's the most likely reason you have a leak. The seal needs replacing.

Can it be used on concrete?

Yes you can use Flex Seal on concrete.

I would like to use this to refinish and seal up a mobile home bathtub. Does it clean easily? Will it hold up to the constant use of a bathtub?

It will definitely seal and refinish the tub. I’m not sure about easy clean up as I only used it on a boat but it should clean up nicely as it seems to be self leveling spray and is very smooth when completely cured

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Flex Seal Spray Rubber Sealant Coating, Waterproof, Clear, 14 oz, 2-Pack

Flex Seal Spray Rubber Sealant Coating, Waterproof, Clear, 14 oz, 2-Pack

Product ID: 255083458

Details

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

💧Watertight & waterproof flexible seal

🌡️Heat & cold resistant, no sag or crack

🛠️14-oz dual pack for extended projects

Description

🛡️ Seal the deal, stop the leaks, and flex your fix game!

DUAL PACK VALUE - Two 14-oz cans provide ample coverage for multiple repairs or creative projects.
CUSTOMIZABLE FINISH - Clear coat can be painted any color to seamlessly blend with your surfaces.
DURABILITY THAT LASTS - Remains pliable for years without cracking, peeling, or sagging—even in extreme temperatures.
VERSATILE APPLICATION - Perfect for roofs, windows, wood, and even arts & crafts projects—use on wet or dry surfaces.
SEAL PROTECT INSTANTLY - Sprays on thick liquid rubber that seeps into cracks and dries fast to a watertight, flexible coating.

Flex Seal Spray Rubber Sealant Coating is a 14-oz clear liquid rubber spray that creates a durable, waterproof, and flexible seal on a variety of surfaces. Designed to resist extreme weather without cracking or peeling, it’s ideal for quick repairs and long-term protection. The dual pack offers great value for both home improvement and creative projects.

Specifications

ASIN	B00L3MDI0I
Best Sellers Rank	#9,169 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #59 in Hardware Sealers
Brand Name	Flex Seal
Color	Clear
Compatible Material	Rubber
Customer Reviews	4.4 4.4 out of 5 stars (26,679)
Global Trade Identification Number	00810129871340
Included Components	Flex Seal Spray Rubber Sealant Coating, 14-oz, Clear (2 Pack)
Item Dimensions	24.1 x 6.4 x 6.4 centimeters
Item Form	Spray
Item Highlight	Stops leaks fast, seals out water, air, moisture, prevents rust, paintable, flexible, gutters, roof repair, RV, wood, metal
Item Type Name	Flex Seal Spray Rubber Sealant Coating, 14-oz, Clear (2 Pack)
Item Weight	14 Ounces
Manufacturer	Swift Response, LLC
Material Type	Rubber
Model	FSCL20
Number of Items	2
Number of Packs	2
Part Number	FSCL20
Style Name	FSCLRR20-A-2PK
Surface Recommendation	Roof,Windows,Wood
UPC	810129871340
Unit Count	28 Fluid Ounces
Water Resistance Level	Waterproof

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