What Lydall - Thermal Acoustical Solutions does

Lydall Thermal Acoustical Solutions (TAS) is a global manufacturer of high-performance thermal management and acoustical insulation components serving the automotive industry. The company is a division of Lydall, Inc., which merged with Unifrax to form Alkegen, a privately held specialty materials platform; Lydall, Inc. was previously listed on the NYSE under ticker LDL and headquartered in Manchester, Connecticut. TAS operates through two primary product lines: a Metals line (the flu¨d family — k, para, lite, iso, tōn, and zeta — along with the patented AMS multi-layer IR shield and Zero Clearance composite insulation) engineered for high-temperature powertrain and exhaust applications exceeding 900°C; and a Fibers line (dBCore, dBLyte, LyTherm, Zero Clearance fibers, FlexShield, Battery Insulators, Hush Panel, Wheel Well, TPO Flooring, and Aero Shields) targeted at interior and exterior NVH, underhood thermal management, and emerging EV battery thermal applications.

The business is built on a materials-science and application-engineering platform with proprietary formulations, patented product architectures, and an A2LA ISO/IEC 17025-accredited in-house laboratory supporting over 140 thermal, acoustic, and mechanical test methods. TAS generates revenue primarily through direct sales of engineered hardware to global automotive OEMs and Tier 1 suppliers, with manufacturing facilities in the United States (Hamptonville and Yadkinville, NC), France (St. Nazaire), Germany (Meinerzhagen), and China (Taicang), supported by a Sales and Technical Center in Novi, Michigan. Pricing is not publicly disclosed; customer engagement is conducted via direct sales and engineering support. All five manufacturing sites hold IATF 16949 automotive quality certifications, and select sites hold ISO 14001 and ISO 45001 certifications.

TAS's go-to-market motion is enterprise field sales with co-located engineering support, targeting OEM vehicle programs at the design-in stage and supplying components through the program life cycle. The customer base spans automotive powertrain, interior NVH, exterior NVH, underhood thermal management, and exhaust applications, with growing exposure to EV/hybrid battery thermal management via the Battery Insulators product family. The competitive positioning emphasizes vertically integrated material science, proprietary product families, qualified manufacturing at automotive-grade quality standards, and global local-for-local supply capability.

Name

Lydall - Thermal Acoustical Solutions

Legal name

Lydall, Inc.

Website

https://lydallautomotive.com

Company type

Public

Founded year

2002

Operating status

Operating

Headcount range

1–10 employees

Short description

Lydall Thermal Acoustical Solutions designs and manufactures high-performance thermal management and acoustical insulation components for global automotive OEMs, with manufacturing in the US, France, Germany, and China.

Ownership category

akta.pro rank

Product category

Automotive Thermal and Acoustical Insulation

SIC

Gaskets, Packg & Sealg Devices & Rubber & Plastics Hose (3050), Adhesives & Sealants (2891)

akta.pro primary industry

Automotive NVH, Insulation & Acoustic Components Manufacturing (Sound Deadening/Thermal Barriers) (IMACAKAH)

akta.pro secondary industries

Automotive Thermal Insulation, Sealing & NVH for HVAC/Thermal Systems (IMACALAJ), Thermal & Acoustic Insulation Textiles (Insulation Felts/Soundproofing) (IMAOADAL), Automotive Weatherseals, Gaskets & Sealing Systems Manufacturing (Door/Window/Trunk Seals) (IMACAKAI)

Keywords

• Thermal insulation materials
• Acoustical insulation products
• Automotive heat shields
• NVH components
• Exhaust thermal management

Headquarters

HQ city

Manchester

HQ country

United States

HQ region

North America

Offices5 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Thermal and Acoustical Insulation Products: Lydall generates revenue through the manufacture and sale of thermal and acoustical insulation solutions including metallic heat shields (fluẍ product family), fiber-based insulation products (dBCore, dBLyte, Zero Clearance, LyTherm), and integrated thermal-acoustical products for automotive applications. The company operates globally serving major automotive OEMs with both standard product lines and application-specific engineered solutions.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Lydall Thermal Acoustical Solutions manufactures high-performance thermal management and acoustical insulation components for the global automotive industry. The portfolio is organized into two main lines — Metals Products (fluëd family of metallic shields, AMS, Zero Clearance) for high-temperature exhaust and powertrain shielding, and Fibers Products (dBCore, dBLyte, LyTherm, FlexShield, Hush Panel, Wheel Well, Aero Shields, TPO Flooring) for interior, underbody, underhood, and NVH acoustic applications. Products are designed, validated, and supplied globally to automotive OEMs and Tier 1 suppliers from manufacturing operations in the United States, France, Germany, and China.

Product overview

Lydall Thermal Acoustical Solutions offers a comprehensive portfolio of thermal and acoustical insulation solutions organized into two main product lines: Metals Products (fluẍ product family) and Fibers Products. The Metals line includes k fluẍ®, para fluẍ®, lite fluẍ®, iso fluẍ®, tōn fluẍ®, zeta fluẍ®, AMS®, and Zero Clearance® thermal and acoustical shields engineered for high-temperature automotive and industrial applications. The Fibers line encompasses three sub-categories: Thermal Solutions (Zero Clearance®, LyTherm®, Battery Insulators, FlexShield®), Acoustic Solutions (dBCore® gradient/exterior tunnel/hybrid gradient density, dBLyte® fine fiber blend, Hush Panel, Wheel Well, TPO Flooring), and integrated Thermal/Acoustical Solutions (Zero Clearance® micro-perforated, Aero Shields). These products serve automotive powertrain, underbody, underhood, interior NVH, exterior NVH, and thermal management applications.

Differentiator

Problem solved

Functional benefit

Brands

• fluẍ (product family): Thermal and acoustical shields product family including k fluẍ, para fluẍ, lite fluẍ, iso fluẍ, tōn fluẍ, and zeta fluẍ
• k fluẍ
• para fluẍ
• lite fluẍ
• iso fluẍ
• tōn fluẍ
• zeta fluẍ
• AMS
• Zero Clearance
• LyTherm
• FlexShield
• dBCore
• dBLyte

Products and services

• k fluëd® High temperature thermal and acoustical shield for automotive exhaust and powertrain applications exceeding 900°C, combining low emissivity metals with Lydall lambda chopped strand glass fiber insulation; targeted at global automotive OEMs.
• para fluëd® Dual metallic layer IR heat shield with four low emissivity surfaces separated by an air layer, delivering 1/3 greater heat flux reduction than single layer shields; targeted at automotive OEMs needing enhanced exhaust thermal shielding.
• lite fluëd® Single layer metallic heat shield for lower thermal load automotive applications, using 80% recycled raw material and fully recyclable; targeted at cost-sensitive automotive programs.
• iso fluëd® Thermal encapsulation product (Shield Tmax < 500°C) protecting sensitive components from exhaust line heat radiation while preserving thermal calories for catalyzation and filtration; targeted at automotive exhaust after-treatment programs.
• tōn fluëd® Multi-layer heat shields with acoustic absorption properties targeting mid-range frequency noise, using micro-perforated single layers or multi-layer composites with fiber/air gaps; targeted at automotive NVH applications.
• zeta fluëd® Multi-layer composite shield with viscoelastic damping layer (Low, Mid, High Temp variants) for aggressive vibration and noise environments, reducing mechanical stress from inertial forces and eliminating parasitic noise; targeted at automotive chassis and powertrain NVH.
• AMS® (patented multi-layer IR shield) Patented IR radiation shield using 3-5 thin parallel low emissivity metallic foil layers (aluminum or stainless steel) separated by expanded metal mesh, providing marked heat flux reduction and acoustic benefits through foil layers and air gaps; targeted at high-temperature automotive and industrial applications.
• Zero Clearance® (Metals) Adhesive-backed thermal insulation composite with high-temperature adhesive, low conductivity fiber core, and low emissivity aluminum foil surface; offers low tooling costs and short lead times (weeks) for automotive thermal management programs.
• Zero Clearance® (Fibers) Fiber-based thermal and acoustical insulation alternative to traditional metal shields with high-performance aluminum sheeting, needle-punched fiber composite spacer, and high-temperature pressure-sensitive adhesive; withstands 246°C (475°F) oven test for 30 hours.
• LyTherm® Needle-punched composite of polyester fibers with fiberglass core for automotive thermal and acoustical applications, offering wear resistance, moldability, compression/recovery, and acoustic performance.
• Battery Insulators Fluid, acid, temperature, and flame resistant battery insulator proven to extend battery life by more than 25% by lowering electrolyte peak temperatures up to 25°C; available in 6mm to 15mm thicknesses. Targeted at automotive battery thermal management for conventional, hybrid, and electric vehicles.
• FlexShield® Direct-mounted thermal and acoustical insulator for exhaust systems (particularly urea injection/SCR systems), composed of high temperature fabrics that damp pipe vibrations and absorb exhaust noise; targeted at automotive exhaust after-treatment.
• dBCore® Gradient Density Insulation Engineered all-polyester (PET) thermal and acoustic insulation for interior automotive applications delivering sound quality and comfort improvements without heavy mass barriers; tuned airflow resistance for high acoustic absorption in mid-to-high frequencies.
• dBCore® Exterior Tunnel Insulation Lightweight exterior tunnel shields providing sound attenuation and thermal protection for underbody and underhood applications, constructed of integrated polyester core with coverstock and aluminum foil; targeted at automotive NVH and thermal shielding.
• dBCore® Hybrid Gradient Density Insulation Premium acoustic insulation combining high performance polyester layers with embedded mass layer for exceptional transmission loss and absorption performance in a single product; targeted at automotive interior premium NVH applications.
• dBLyte® Fine Fiber Blend Insulation High-performance polyester microfiber insulator providing very high acoustic absorption and thermal insulation at low thickness and weight, with high internal bond strength; targeted at automotive interior NVH.
• Hush Panel Moldable closeout panel for automotive interior applications engineered for acoustical performance, low weight, and B-surface aesthetics; constructed of durable polyester fiber composite.
• Wheel Well Needle-punched 100% polyester fiber composite wheel arch liners with high temperature polyester binder for high acoustic performance, reduced tire/road noise, and stone impact resistance; available in light, medium, and heavy duty variants.
• TPO Flooring PET/TPO automotive flooring system with molded underlayment offering improved fit and finish with lower weight than vinyl floor systems; utilizes material construction for weight, strength, and durability benefits.
• Aero Shields Needle-punched 100% PET fiber composite aero and engine shields with high temperature polyester binder providing fuel economy benefits, high strength and toughness at reduced weight, with improved NVH performance; targeted at automotive underbody and aero applications.

Quantifiable outcome

• Battery insulator reduces electrolyte temperature up to 25°C, extending battery life by more than 25%
• +4 more outcomes

Segments5 records

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature11 records

Scale indicators2 records

Recent moves6 records

Expansion highlights4 records

Direct peers

• Autoneum: Swiss pure-play leader in vehicle acoustic and thermal management, producing underbody, engine bay, and interior NVH systems with proprietary Ultra-Silent and multifunctional lightweight technologies. Most directly comparable to Lydall Thermal Acoustical Solutions given its automotive-exclusive focus, comparable product scope (heat shields, fiber insulation, damping), and similar Tier 1 OEM customer base.
• Sumitomo Riko: Japanese manufacturer of automotive anti-vibration rubber, NVH, and thermal management products serving OEMs globally. Comparable to Lydall in delivering both acoustic insulation and thermal shielding, particularly strong in powertrain and underbody NVH applications like Lydall's zeta flux and dBCore platforms.
• Grupo Antolin: Spain-headquartered global supplier of automotive interior systems including headliners, overhead systems, and acoustic insulation modules. Closely comparable to Lydall's interior NVH business (dash insulators, IP closeouts, undercarpet) with overlapping European OEM customer base and similar program-driven specification model.
• ElringKlinger: Germany-listed automotive supplier with a dedicated Lightweighting/Elastomer Tech division producing heat shields, gaskets, and thermal/acoustic shielding components. Direct overlap with Lydall's metallic and composite heat-shield products serving exhaust, underbody, and engine-compartment thermal management.
• Adler Pelzer Group: German-headquartered specialist in automotive acoustic and thermal insulation, offering molded fiber parts, headliners, dash insulators, and underbody NVH systems. Closely comparable to Lydall in product portfolio (NVH + heat shielding), target markets (passenger and commercial vehicles), and global Tier 1 OEM customer orientation.

Broad incumbents

• Tenneco / DRiV: U.S.-listed global supplier (now DRiV after the separation from Tenneco) with a Ride Performance and NVH product line covering ride control, dampers, and exhaust-related thermal shielding for ICE vehicles. Overlaps with Lydall on exhaust hot-end thermal shielding and powertrain NVH, but as part of a much broader industrial aftermarket and OEM platform.
• Continental AG: German-listed global Tier 1 with an extensive automotive thermal management business (OECP), offering HVAC modules, electric vehicle thermal management, and engine cooling solutions. Comparable to Lydall's thermal shielding scope but operates at significantly larger scale and portfolio breadth across powertrain and thermal systems.
• 3M: U.S.-listed diversified materials conglomerate with automotive acoustic and thermal products within its Safety & Industrial segment, including Thinsulate and high-temperature tapes/insulation. Overlaps with Lydall on cabin and underhood thermal/acoustic solutions but as part of a much broader industrial materials portfolio rather than an automotive specialist.
• Faurecia / FORVIA: French-listed global Tier 1 supplier with a sizable Acoustics & Soft Trim business unit producing interior NVH, carpet systems, and underbody acoustics. A broad incumbent offering Lydall's product categories as part of a larger interior systems portfolio, serving overlapping global OEM customers but with significantly broader scope.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/lydall-thermal-acoustical-inc.

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries5 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 Lydall - Thermal Acoustical Solutions