Hardcast CCWI-181 Grey Duct Sealant 1 Gal UL 181A/B LEED HVAC MFG# 304148

Name: Hardcast CCWI-181 Grey Duct Sealant 1 Gal UL 181A/B LEED HVAC MFG# 304148
SKU: 304148
Price: 40.15 USD
Availability: InStock

SKU: 304148

$40.15

In stock

Same-item volume pricing

Quantity	Unit price	Saving
1–4	$40.15	0%
5–9	$38.14	5%
10+	$36.14	10%

Estimate for this quantity before shipping. Tax display follows store settings. Existing cart quantities can increase the tier. Only one offer applies; a coupon replaces automatic pricing. For 20+ units, contact support for a quote.

Available to order: 12.

Bulk quantity & quote

Quantity needed

Enter the total quantity you need. We will confirm availability and a quote before you order.

Request this quantity →

Product Description

Overview

Hardcast CCWI-181 1 Gallon Grey Duct Sealant – UL 181A/B Listed – MFG# 304148The Hardcast CCWI-181 Grey Duct Sealant is a high-performance, all-purpose HVAC sealant designed for indoor and outdoor use on all duct types—including metal ducts, glass fiber duct board, and flex duct.

Product

Highlights

Formulated with butyl rubber polymer for maximum flexibility and sealing integrity
Color: GrayPackage
Size: 1 gallon (3.78L)Certifications: UL 181A-M and 181B-M listedCompliance: LEED approved, USDA, EPA, FDA compliant

Applications

Bonds well to duct insulation, fiberglass board, and metalPerformance: Resists cracking and shrinkage, ideal for long-term sealing integrity
Meets or exceeds standards including:ASTM C-731DOD Specification CID A-A-3054California Title 24SMACNA Seal Class standards
Ideal for contractors needing a professional-grade, brush-grade duct sealant that remains durable under high-demand conditions.

Product details

Part / SKU	304148

Package includes

Hardcast CCWI-181 Grey Duct Sealant 1 Gal UL 181A/B LEED HVAC MFG# 304148

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.