Carlisle

What Carlisle does

Carlisle HVAC Brands is a North American manufacturer of HVAC duct sealing, fastening, and airflow hardware solutions, organized under three sub-brands: Hardcast (duct sealants, adhesives, and coatings, established 1965), Gripnail (duct insulation fastening systems, acquired 1966), and DynAir (duct airflow hardware, acquired 2006). The company's core technology stack consists of proprietary butyl mastic formulations, pressure-sensitive rolled sealant tapes, water- and solvent-based duct sealants, restoration coatings, mechanical and resistance welding fastening equipment, and a complete line of duct hardware (damper hardware, flange systems, flexible duct connectors, vane and rail components). Its products carry extensive code-compliance certifications including UL 181B-FX, UL 723, UL 181A-M, UL GREENGUARD Gold, SCAQMD Rule 1168, LEED credit qualification, and IECC/IMC compliance, enabling specification into commercial construction projects.

The business model is unit-pricing on consumable products (cartridges through 50-gallon drums) and capital equipment, sold exclusively through an authorized distributor network with sales representative and authorized applicator support layers. Carlisle HVAC does not sell directly to end users; it operates a distributor locator, training programs (including NADCA CE-credit courses), and the Carlisle HVAC Rewards loyalty app to drive channel engagement. Primary customer segments are mechanical contractors, duct fabricators, and restoration professionals, with end-market exposure spanning healthcare, education, hospitality, religious/historic preservation, and commercial sheet metal fabrication. The company is a wholly owned division of Carlisle Companies Incorporated (NYSE: CSL), operating within the Carlisle Weatherproofing Technologies segment, with offices in Wylie, Texas (USA HQ), East Providence, Rhode Island, and Dorval, Quebec.

Revenue mechanics are anchored in distributor-driven consumable repeat purchases supplemented by capital equipment (PowerPinner resistance welders, Gripnailer mechanical fastening machines, Mobile Sealant Delivery Systems) and replacement parts. The company cites quantitative differentiators including 25-40% HVAC system performance loss from improper sealing (framing the addressable waste), 1,400 psi tensile strength on FOIL-GRIP tapes, 30-inch water column pressure ratings, and 120+ pound withdrawal force on Gripnail mechanical fasteners, positioning its rolled mastic and fastening technologies as labor-saving alternatives to traditional liquid sealants requiring up to 48 hours cure time.

Name

Carlisle

Legal name

Carlisle HVAC Brands (a division of Carlisle Coatings and Waterproofing)

Website

https://carlislehvac.com

Company type

Private

Founded year

1965

Operating status

Operating

Headcount range

51–100 employees

Short description

Carlisle HVAC Brands is a North American manufacturer of HVAC duct sealants, adhesives, coatings, fastening equipment, and airflow hardware sold under Hardcast, Gripnail, and DynAir brands through authorized distributors to mechanical contractors and duct fabricators.

Ownership category

akta.pro rank

Product category

HVAC Sealing and Fastening Products

NAICS

Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (33341), Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers (42373)

SIC

Wholesale-Hardware & Plumbing & Heating Equipment & Supplies (5070), Adhesives & Sealants (2891)

akta.pro primary industry

Ductwork, Duct Fittings & Air Distribution (Diffusers/Grilles/Registers) (IMADANAC)

akta.pro secondary industry

HVAC Equipment (Heating, Cooling & Air Handling) (IMAHAKAB)

Keywords

• HVAC duct sealants
• Rolled mastic tapes
• Duct airflow hardware
• Insulation fastening equipment
• Duct restoration coatings

Headquarters

HQ city

Wylie

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. HVAC Sealants and Adhesives: Sale of duct sealants (rolled mastic, water-based, solvent-based, silicone-based), spray-applied sealants, and adhesives in various packaging sizes from cartridges to 50-gallon drums. Primary product lines include Hardcast brand sealants and adhesives.
2. HVAC Coatings: Sale of duct restoration and protection coatings including RE-500, RC-300, RS-100, Pan-Grip, and Edge Sealer products for indoor air quality improvement and ductwork restoration.
3. Duct Hardware and Accessories: Sale of DynAir brand duct hardware including damper hardware, flange corners, flexible duct connectors, insulation fasteners, vane & rail systems, and hardware accessories.
4. Mechanical Fastening Equipment: Sale of Gripnail brand insulation fastening equipment including PowerPinner resistance welders, CD welders, Gripnailer mechanical fastening machines, and replacement parts.
5. Equipment Replacement Parts: Replacement parts for Gripnail and PowerPinner equipment including parts for models 448, 454, 460, 490, 496, 560, 648R, 660, 660R, 7000, 7001, 7005, 7105 series.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels10 records

Core offering

Carlisle HVAC Brands manufactures and sells HVAC duct sealants, adhesives, coatings, duct airflow hardware, and mechanical fastening equipment under three sub-brands: Hardcast (sealants, adhesives, and coatings since 1965), Gripnail (insulation fastening systems since 1966), and DynAir (duct airflow hardware for over 40 years). Products are sold exclusively through authorized distributors, sales representatives, and authorized applicators to mechanical contractors, duct fabricators, and restoration professionals across North America. The company also provides training programs, technical support, and the Carlisle HVAC Rewards loyalty program for frequent purchasers.

Product overview

Carlisle HVAC Brands is a manufacturer of HVAC sealing and fastening solutions organized under three sub-brands: Hardcast® (duct sealants, adhesives, and coatings since 1965), Gripnail® (duct insulation fastening systems since 1966), and DynAir (duct airflow hardware and accessories for over 40 years). The product portfolio includes water-based, solvent-based, silicone-based, and spray-applied sealants; rolled mastic tapes (FOIL-GRIP™ 1402, 1403-181BFX, 1404-181BFX, Aluma-Grip™ AFT-701); aerosol, solvent-based, and water-based adhesives; restoration coatings (RE-500, RC-300, RS-100); and comprehensive hardware including damper hardware, flexible duct connectors, flange systems, insulation fasteners, and welding equipment (PowerPinner® series, Gripnailer 660). The company serves mechanical contractors, duct fabricators, and restoration professionals through authorized distributors. Carlisle HVAC Brands is part of Carlisle Weatherproofing Technologies (CWT), a wholly owned subsidiary of Carlisle Companies (NYSE: CSL).

Differentiator

Problem solved

Functional benefit

Brands

• Hardcast: Duct Sealants, Adhesives and Coatings - Since 1965, Hardcast duct sealants, adhesives and coatings have been formulated and tested to meet and exceed the most rigorous industry standards. Formulations include UL listing, UL GREENGUARD Gold certification, and Low or True Zero VOC.
• Gripnail
• DynAir

Products and services

• FOIL-GRIP 1402 UL Classified aluminum foil-backed pressure-sensitive mastic sealant tape that forms an instant weather-resistant seal on low and medium pressure indoor and outdoor ducts. Rated for pressures up to 20 inches water gauge with zero VOCs, designed for mechanical contractors performing HVAC installation and changeouts.
• FOIL-GRIP 1403-181BFX UL 181B-FX listed aluminum foil-backed modified butyl pressure-sensitive duct joint rolled sealant with weather-resistant, instant bonding for indoor and outdoor duct applications in colder temperatures.
• FOIL-GRIP 1404-181BFX UL 181B-FX listed foil facer/butyl adhesive composite mastic sealant tape with superior tack for instant grab strength to galvanized metal, flex duct, and PVC coated pipe in general duct sealing applications.
• Aluma-Grip AFT-701 UL Classified heavy duty 30 Mil thick mastic tape with modified-butyl duct sealant providing 40-year cycle durability, excellent UV resistance, outstanding water resistance, and a 5-year material warranty for indoor and outdoor HVAC duct sealing.
• CCWI-181 Heavy texture, fiber-reinforced UL 181A-P listed water-based duct sealant with excellent sealing properties for ductwork joints and seams.
• Duct-Seal 321 Smooth, fiber-reinforced water-based duct sealant designed for general ductwork sealing applications.
• Iron-Grip 601 All purpose, fiber-free duct sealant backed by a 10-Year Indoor warranty for HVAC ductwork sealing applications.
• Versa-Grip 181 Heavy texture, fiber-reinforced duct sealant with 5-Year Indoor warranty for HVAC ductwork applications.
• Flex-Grip 550 Heavy texture, fiber-free duct sealant also available in spray grade for spray-applied duct sealing applications.
• Spray-Seal Premium, fiber-free, high performance sprayable duct sealant with 5-Year Indoor warranty designed for spray application via the Mobile Sealant Delivery System.
• All-Purpose 1602 Butyl-based 30-year cycle pressure-sensitive duct joint and general-purpose rolled sealant with white fabric facer and instant aggressive grip to sheet metal, duct board, and flex duct for indoor applications.
• BRT-801 Black UV-resistant butyl adhesive sealant tape for under tile and roof applications with aggressive grip and superior long-term adhesion.
• RE-500 Restoration Insulation Encapsulator Restoration insulation encapsulator with 10-Year Indoor warranty, low VOC content, quick application, minimal drying time, and immediate complete sealing for ductwork restoration and indoor air quality improvement.
• RC-300 Multi-Purpose Restoration Coating Multi-purpose water-based restoration coating for ductwork restoration and indoor air quality improvement applications.
• RS-100 Restoration Duct Sealant Coating Restoration duct sealant coating with 10-Year Indoor warranty for ductwork restoration applications.
• PowerPinner Resistance and CD Welders Line of resistance welders and capacitor discharge (CD) welders for duct insulation fastening, including PowerPinner models 50, 7005HSG, 7100, 7105HSG, 7200, 7250, 7300, and 7310 used by mechanical contractors and fabricators.
• Gripnailer 660 Mechanical Fastening Center Auto-fastening machine and fixed head mechanical fastening center for duct insulation fastening in fabrication shops and field installation.
• Mobile Sealant Delivery System

Quantifiable outcome

• Improper sealing results in 25-40% loss in HVAC system performance
• +4 more outcomes

Named customers7 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

One partnership is on record.

• Clean EarthminorStrategic or Co-development PartnerCarlisle HVAC Brands collaborates with Clean Earth to help reduce landfill waste generated from the commercial HVAC industry. This partnership allows customers to send empty 50-gallon drums from selected products to Clean Earth facilities for recycling. Clean Earth breaks down all components and sources waste streams for use in other business sectors, helping customers save on landfill expenses while reducing environmental footprint.

Scale indicators8 records

Recent moves5 records

Expansion highlights5 records

Broad incumbents

• Sika AG: Sika is a global specialty chemicals company supplying sealants, adhesives, and waterproofing products to the construction and HVAC markets. Its ductwork and HVAC sealing solutions compete with Carlisle's Hardcast line, particularly on LEED/SCAQMD-compliant specification-driven jobs.
• DAP Products: DAP manufactures a broad line of sealants, adhesives, and firestop products sold through retail and professional distribution, including duct sealants used by HVAC contractors. While its portfolio is much wider and more retail-skewed than Carlisle HVAC's, it is a substitute supplier in many independent distributor branches.
• 3M (Industrial Adhesives & Tapes): 3M sells duct sealants, foil-backed tapes, and HVAC tapes through industrial distribution, including UL 181-listed foil tapes that overlap with Carlisle's FOIL-GRIP and All-Purpose product lines. As a Fortune 100 diversified manufacturer, 3M has substantially broader R&D resources and global reach than Carlisle HVAC Brands.
• Henkel (Loctite / Technomelt): Henkel manufactures industrial and construction adhesives and sealants, including pressure-sensitive and spray-applied formulations serving HVAC ductwork. Global scale, deep R&D, and broad distribution give Henkel incumbent strength against Carlisle HVAC in commercial construction specifications.

Direct peers

• RectorSeal: RectorSeal manufactures HVAC sealants, firestop products, and accessories for ductwork and mechanical systems, sold through the same two-step HVAC distribution channel that Carlisle HVAC serves. Overlapping SKUs in duct sealants and accessories put it in direct competition with Carlisle's Hardcast brand for shelf space at HVAC wholesalers.
• Bostik (Arkema): Bostik is a global adhesives and sealants manufacturer with a construction/HVAC line competing head-to-head with Hardcast. Both companies sell water-based, solvent-based, and spray-applied duct sealants into mechanical contractor and duct fabricator channels, with comparable UL-listed product portfolios.
• Tremco (Tremco illbruck): Tremco produces construction and HVAC sealants, including duct sealants and weatherproofing tapes for mechanical systems. Its breadth of construction sealants plus mechanical applications overlaps directly with Carlisle HVAC's Hardcast duct sealant portfolio, including products meeting SMACNA standards.
• Hardcast (Carlisle) referenced as brand; peer replaced below: H.B. Fuller Construction Adhesives (Foster) supplies duct sealants, firestopping, and HVAC-adjacent adhesives to mechanical contractors and fabricators in North America. Its HVAC product portfolio competes directly with Carlisle's Hardcast line, often on the same specification sheets for UL 181-listed duct sealants.
• Anco Products: Anco Products is a specialty manufacturer of HVAC ductwork accessories and fastener products for the sheet metal and mechanical contractor market. Its focus on duct hardware and OEM fittings overlaps directly with Carlisle's DynAir brand and competes in the same authorized distributor network.

Regional players

• Chemtron (Carlisle): DuraVent/Hart & Cooley supplies HVAC venting, duct components, and related accessories through North American distribution. While focused more on venting than sealants, its duct hardware and accessory category overlaps with Carlisle's DynAir vane & rail and damper product lines, particularly in commercial mechanical contracting.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks7 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/c/Hardcast
• Facebookfacebook.com/Hardcast65
• LinkedInlinkedin.com/company/hardcast
• Instagraminstagram.com/carlisleHVAC
• Xx.com/hardcast65

Compliance10 records

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Carlisle