Can this product be used to coat a concrete fishpond, i.e. for a fully immersed condition?

Yes Flex Seal Liquid can be used to coat a concrete fish pond. For best results sweep off the concrete to make sure there's no concrete dust and then apply. Let dry for 24-48 hours. Flex Seal Liquid is food grade safe, so your fish can swim around in it with no worries.

To what depth (thickness) can this be poured and still cure?

Flex Seal Liquid can be poured to any thickness desired. We recommend pouring in layers 1/4-1/2" thick to ensure the product cures completely. For a normal application Flex Seal Liquid takes 24-48 hours to completely cure.

When using a roller, what nap is best?

Which type of roller is best suited to apply flexseal liquid

How much area will 1 gallon cover?

1 Large 16oz - approx. 20Sq. Ft., 1 Jumbo 32oz - approx. 40Sq. Ft., 1 Gallon can - approx. 150Sq. Ft.

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Description

🛠️ Seal it, protect it, forget it — Flex Seal Liquid has you covered!

CLEAR CLEAN FINISH - Invisible protection that preserves the look of your surfaces without compromising style.
UV CHEMICAL SHIELD - Protects against sun damage, rust, and harsh chemicals for long-lasting performance.
EFFORTLESS APPLICATION - Brush, roll, dip, or pour on a smooth, fast-drying liquid rubber layer.
WATERTIGHT FLEXIBILITY - Seals leaks with a durable, flexible rubber coating that moves with your surfaces.
MULTI APPLICATION MASTERY - Compatible with glass, metal, wood, plastic, and more—perfect for any project.

Flex Seal Liquid is a 1-gallon clear liquid rubber sealant designed for waterproofing and protecting a wide range of surfaces. It offers flexible, breathable, and UV-resistant coverage that prevents rust, corrosion, and chemical damage. Easy to apply by brushing, rolling, dipping, or pouring, it’s ideal for roof repairs, basements, RVs, marine use, and more.

Specifications

Material	Rubber
Brand	Flex Seal Liquid
Style	Liquid Rubber
Item Weight	9.25 Pounds
Item dimensions L x W x H	7.75 x 6.5 x 6.5 inches
Compatible Material	Glass, Metal, Plastic, Polyvinyl Chloride, Wood
Water Resistance Level	Waterproof
Item Form	Liquid
UPC	853517006337
Unit Count	128.0 Fluid Ounces
Number of Items	1
Color	Clear
Surface Recommendation	Tile
Manufacturer	Swift Response, LLC
Part Number	LFSCLRD01BC
Item Weight	9.25 pounds
Product Dimensions	7.75 x 6.5 x 6.5 inches
Is Discontinued By Manufacturer	No
Size	128 oz
Item Package Quantity	1
Included Components	Flex Seal Liquid Rubber in a Can, 1-gal, Clear
Batteries Included?	No
Batteries Required?	No

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

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.