Can it be used to fix a slit on a hot tub cover?

Thank you for reaching out! Many people have had success in situations such as this. To ensure you apply Flex Seal Spray correctly follow the steps below: Many people have had success in situations such as this. 1. Make sure the surface is clean and dry. 2. Shake well and spray using even, sweeping motion. 3. Spray a larger area than area where the leak is and feather the edges. 4. Let it dry completely (may take up to 24-48 hrs to cure). 5. Apply several, even coats until all the cracks and holes have been filled. If you have any other questions, please feel free to reach out to us again. Lucas - Customer Care at Flex Seal Products (Swift Response The makers of Flex Seal)

Can you paint over it?

No, paint wouldn't adhere well as it creates a slick surface

Can it be used inside a pond that is leaking? Will it do OK under water all the time?

I used it in a birdbath to try and keep the water from evaporating so fast but it eventually breaks down from the Sun and water. I wouldn't recommend it.

Would this work for a leaky gutter?

Many people have had great success using Flex Seal on gutters.

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Flex Seal, 14 oz, 2-Pack, Brown, Stop Leaks Instantly, Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More

Flex Seal, 14 oz, 2-Pack, Brown, Stop Leaks Instantly, Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More

Product ID: 15511873

Details

Brand
Flex Seal
Item Weight
1.8 pounds
Item dimensions L x W x H
9.5 x 2.5 x
Material
Rubber
Style
FSBRNR20-2PK

💧Instant waterproof seal

🌡️Heat & cold resistant

🛠️Flexible rubber coating

SAR 222

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Description

💪 Seal it. Protect it. Flex your fix like a pro.

PAINTABLE FINISH - Customize your repair with a paintable surface that blends seamlessly.
FLEXIBLE DURABLE - Rubberized coating stays pliable year-round—no cracking or peeling.
WORKS ON WET OR DRY - Apply confidently on damp surfaces—no prep delays, no compromises.
SEAL LEAKS IN SECONDS - Spray-on formula stops leaks instantly for ultimate peace of mind.
MULTI SURFACE CHAMPION - Perfect for gutters, roofs, RVs, wood, skylights, and more—one spray does it all.

Flex Seal 14 oz 2-pack delivers a fast, waterproof rubber spray sealant that stops leaks instantly. Its flexible, paintable coating resists cracking and peeling in extreme temperatures, works on wet or dry surfaces, and is ideal for gutters, roofs, RVs, wood, and more—trusted by thousands for durable, professional-grade repairs.

Specifications

ASIN	B00W5Y2WQY
Best Sellers Rank	#142 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1 in Hardware Sealers
Brand Name	Flex Seal
Color	Brown
Compatible Material	Asphalt, Metal, Polyvinyl Chloride
Customer Reviews	4.4 4.4 out of 5 stars (39,560)
Global Trade Identification Number	00810129871944
Included Components	Flex Seal Spray Rubber Sealant Coating, 14-oz, Brown (2 Pack)
Item Dimensions	9.5 x 2.5 x 2.5 inches
Item Form	Liquid, Spray
Item Weight	1.8 pounds
Manufacturer	Swift Response, LLC
Material Type	Rubber
Number of Items	2
Number of Packs	2
Part Number	FSBRNR20
Style Name	FSBRNR20-2PK
Surface Recommendation	Roof,Windows,Wood
UPC	810129871944
Unit Count	28 Ounce
Water Resistance Level	Waterproof

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SAR 222

Duties & taxes included

In stock

Sold byAmazon KSADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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