Could you do several layers or one very thick layer to create a rubberized coating on something?

Absolutely, just please remember that the thicker the final coating is, the longer the cure time will be. We highly advise creating the coating by adding layers to the surface rather than just one thick coat.

Any temperature requirement?

Flex Paste can be applied in a wide range of temperatures from 0°F – 150ۜ°F. Once applied and fully cured it can withstand a wider range of temperatures from -40°F – 200°F.

Can this be used to fix crack in small ref/frezer

Hi there. Thank you so much for reaching out. Flex Paste can withstand low temps like that in a freezer. Although some customers have found success with similar applications, it has not been tested for its safety when coming in contact with items used for food preparation, storing, or serving. Please contact us if you have any additional questions. We're always happy to help. Flex On!

can flex paste be painted ?

Yes. Must be fully cured before painting.

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

Flex Paste(フレックスペースト) 3ポンドジャー

Product ID: 770099470

Details

Material
Rubber
Brand
フレックスシール(Flex
Style
3lb Black
Item Weight
1.36 kg
Item dimensions L x W x H
12.7 x 10.8 x

🎨Fully paintable after curing

💧Waterproof & usable underwater

🛠️3 lb super thick rubber paste

Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

$211.70

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

Description

🛡️ Seal it, fill it, and flex your fix-it skills with Flex Paste!

INSTANT GAP FILLER - Super thick formula fills large cracks, holes, and gaps with ease—no more wasted time or materials.
VERSATILE DIY ESSENTIAL - Ideal for everything from foundation repairs to pest-proofing and shower sealing—your all-in-one fix-it paste.
CUSTOM FINISH FLEXIBILITY - Once cured, paint over it any color to match your style or project needs—UV and corrosion resistant.
SEAL PROTECT LIKE A PRO - Creates a flexible, waterproof rubber barrier that locks out air, water, and moisture.
UNDERWATER APPLICATION READY - Unique formula cures underwater, perfect for marine, RV, and outdoor projects.

Flex Paste 3-Pound Jar is a heavy-duty, rubberized sealant that penetrates deep to create a flexible, waterproof barrier. It fills large cracks and holes instantly, cures underwater, and is fully paintable, making it perfect for a wide range of indoor and outdoor repair projects. Made in the USA, it’s rust, corrosion, and UV resistant for long-lasting protection.

Specifications

Brand	フレックスシール(Flex Seal)
Model Number	FLEX SEAL - PFSBLKR32 - BLACK
Product Dimensions	12.7 x 10.8 x 10.8 cm; 1.36 kg
Color	Black
Name List for Name Plates	3lb Black
Material	Rubber
Are Batteries Included	No
Item Weight	1.36 Kilograms

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.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Khalid Z.

Great experience from order to delivery. Highly recommended!

1 week ago

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.