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Hardcast 304132 Flex-Grip 550 Water Based Duct Sealant - 1 Gallon

Name: Hardcast 304132 Flex-Grip 550 Water Based Duct Sealant - 1 Gallon
Brand: Hardcast
SKU: 14093110
Price: 215.81 USD
Availability: InStock
Rating: 5 (1 reviews)

Product ID: 14093110

Details

Brand
Hardcast
Item Weight
7.5 Pounds
Material
Hardcast
Style
Compact
Water Resistance Level
Water

⚡Fast, easy application for professional results

💧Water-based formula for eco-friendly sealing

🛠️Compatible with fiberglass, metal & plastic

$215.81

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.

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Description

💼 Seal smart, work sharp — the pro’s choice for duct perfection!

EFFORTLESS APPLICATION - Smooth, spreadable texture that saves time on every job
DURABLE WATER RESISTANCE - Reliable protection against moisture for long-lasting duct integrity
ECO SMART WATER BASED SEALANT - Safe, low-odor, and environmentally conscious for modern workspaces
TRUSTED PRO GRADE PERFORMANCE - Highly rated by users who demand quality and efficiency
UNIVERSAL MATERIAL COMPATIBILITY - Seals fiberglass, metal, and plastic ducts seamlessly

Hardcast 304132 Flex-Grip 550 is a 1-gallon, gray, water-based duct sealant designed for easy, durable sealing of fiberglass, metal, and plastic ducts. Lightweight and eco-friendly, it offers water resistance and smooth application, making it a top-rated solution for HVAC professionals seeking reliable, efficient duct sealing.

Specifications

ASIN	B003PL7UK4
Best Sellers Rank	#337,603 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #948 in Hardware Sealers
Brand	Hardcast
Brand Name	Hardcast
Color	gray
Compatible Material	Fiberglass, Metal, Plastic
Customer Reviews	5.0 out of 5 stars 2 Reviews
Item Form	Liquid
Item Weight	7.5 Pounds
Manufacturer	Hardcast
Material	Hardcast
Material Type	Hardcast
Number of Items	1
Part Number	304132
Style	Compact
Style Name	Compact
Surface Recommendation	[Multiple]
UPC	063853280005
Unit Count	1 Count
Water Resistance Level	Water Resistant

Reviews

M**O

Great material and very easy to work with

Very easy to use when sealing duct board seams, especially when using in conjunction with hardcast foil tape.

5.05.2026

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.

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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.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anjali K.

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

1 month ago

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

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$215.81

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

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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2 months ago

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3 days ago

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