Automotive
Weight Reduction
Structural Reinforcement
Process Optimization
Crash Performance
NVH Improvement
Making Automobiles Lighter, Stronger and Quieter
At L&L Products, we help automotive manufacturers design vehicles that meet the highest standards of crash, comfort, and performance. Our advanced materials are engineered for lightweight construction, crash resistance, acoustic insulation, and multi-substrate bonding with each technology seamlessly integrating into modern production lines.
Whether you’re sealing cavities, reinforcing body structures, or optimizing NVH performance, our heat-activated and ambient-cured systems are built to meet the demands of today’s passenger cars, electric vehicles, and commercial fleets.
L&L Products is your partner for innovation
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Acoustic
Bond
Reinforce
Seal
Select a panel to see more information.
Sealants for NVH Improvement
Engineered solutions designed to seal and fill cavities within the frame, supporting NVH performance improvement while also protecting against water, dust, and fume intrusion.
Key Features
• Dry-to-touch parts for easy handling
• Seamless integration into manufacturing workflows
• Anti-flutter capabilities and acoustic improvement
• Available in multiple formats
Related Solutions
Local Reinforcement for NVH Improvement
Composite Panel Stiffeners increase panel rigidity, reduce fatigue over time, and enhance NVH in wide or unsupported areas. These solutions typically combine glass fabric reinforcement with a structural adhesive.
Key Features
• Panel vibration damping
• Long-term fatigue resistance
• Supports use of thinner gauge panels
• Excellent adhesion in green state
Related Solutions
Structural Reinforcement for NVH Improvement
CBS™ technology is integrated into regions of the frame to add stiffness and enhance NVH performance. These solutions combine engineered structural foams with custom-designed thermoplastic carriers.
Key Features
• Improves structural rigidity
• Heat-activated materials installed prior to E-coat
Related Solutions
Heat-Activated Solutions for Bonding
Applied before the E-coat process, these structural adhesive tapes activate during bake and may foam to bridge gaps where needed.
Key Features
• High ductility and strength
• Pressure-sensitive for pre-bake placement
• Enhances structural stiffness and durability
• Gap-jumping foam variants available
Related Solutions
Composite Structural Reinforcement Technology
CBS™ reinforcements offer sectional stability and multi-directional load path management to absorb energy, improve impact performance, and crashworthiness, as well as overall weight reduction.
Key Features
• Predictable energy absorption
• Effective multi-axis load management
• Seamless integration into the assembly process
Related Solutions
L&L Continuous Composite Systems™
CCS™ offers a cost-effective, high-strength reinforcement system that supports improved crash performance, impact durability, and vehicle lightweighting.
Key Features
• Consistent geometry across sections
• Lightweight structural upgrade
• Manages impact energy
• Increased durability and NVH control
• Simple, efficient assembly
Related Solutions
Composite Panel Reinforcement
Composite Panel Stiffeners increase stiffness in unsupported panel areas, minimize fatigue, and enhance NVH. These patches can incorporate a structural adhesive with glass fabric reinforcement.
Key Features
• Enables thinner panel materials
• Reduces vibration in panels
• Resists long-term fatigue
• Strong adhesion in green state
Related Solutions
Engineered Solutions for Sealing
Our foaming sealants are used to fill and seal structural cavities, preventing the entry of water, air, dust, and fumes. These materials are applied before E-coat and cure during oven processing.
Key Features
• Seals complex cavities
• Custom-designed for specific applications
• Lightweight material
• Capable of bridging gaps
Related Solutions
Torque Retention – Isolation – Sealing Solutions
TRI-Seal® uses a foaming material with embedded rigid, crush-resistant spheres that act as spacers while maintaining clamp load. Ideal for sealing joints that require material separation or consistent load retention.
Key Features
• Seals against water, dust, and fumes
• Minimizes torque fall-off
• Prevents galvanic corrosion
• Available in dry-to-touch and tacky formats
Related Solutions
Acoustic
Bond
Reinforce
Seal
Thermal
Repair
Select a panel to see more information.
Fiber-Based Acoustic Solutions
Our advanced nonwoven fiber platforms are designed for effective acoustic absorption. These engineered solutions are highly customizable in terms of shape, layering, and format for a broad range of applications.
Key Features
• Lightweight and sound-absorbing
• Tailored fiber blends, thicknesses, and densities
• Supports thermoforming and die cutting
• Resistant to UV and flame exposure
Related Solutions
Structural Foam Reinforcement for NVH Improvement
PHASTER® foaming reinforcement materials fill cavities to improve stiffness and help reduce noise, vibration, and harshness (NVH).
Key Features
• Increases body stiffness
• Seals the frame to reduce cavity-borne noise
• Cures at ambient temperatures
Related Solutions
Elastomeric Adhesives
L&L Seal elastomeric sealants and adhesives are used to bond and seal many different substrates, often eliminating the need for the pretreatment steps typically required by traditional polyurethane systems.
Key Features
• Temperature-resistant and long-lasting
• Adheres to glass and painted surfaces without primer
• Free from VOCs, isocyanates, and CMR substances
Related Solutions
Ambient Cured Structural Adhesives
PHASTER® structural and semi-structural adhesives are available in foaming and nonfoaming versions to meet a variety of bonding needs.
Key Features
• Strong adhesion to a wide range of surfaces
• Foaming variants support gap-jumping
• Nonfoaming types provide high peel strength
• No primer or surface treatment required
Related Solutions
L&L Continuous Composite Systems™
CCS™ delivers a high-strength, cost-effective reinforcement solution designed to improve crash protection, impact resistance, and enable lightweight design.
Key Features
• Uniform cross-section geometry
• Enhances structure while reducing mass
• Manages energy during impact
• Increases vibration control and durability
• Simplified integration into assemblies
Related Solutions
Ambient Cure Foaming Reinforcements
PHASTER® Rigid Foaming Adhesives are two-component products that cure at ambient temperature, bonding to various substrates and expanding to fill cavities—without the risks of traditional epoxy or PU systems.
Key Features
• Adheres to a broad range of materials
• Foams to fill gaps and cavities
• Primerless adhesion with no abrasion or prep needed*
*Always follow SDS and TDS guidelines
Related Solutions
Ambient Cured Pumpable Sealants
These single-component elastomeric sealants are formulated to seal against water and fume entry, helping to prevent corrosion.
Key Features
• No primer required
• Reduced safety risks compared to PU products
• Excellent durability across temperature ranges
Related Solutions
Torque Retention – Isolation – Sealing Solutions
TRI-Seal® tacky sealant systems feature embedded rigid spheres that resist compression, supporting clamp loads and providing separation between different materials.
Key Features
• Protects against water, dust, and fume intrusion
• Minimizes torque loss over time
• Stops galvanic corrosion
Related Solutions
Engineered Solutions for Thermal Improvement
Our nonwoven fiber-based insulation solutions are manufactured as flat-cut or thermoformed parts and can be configured in single or multi-layer designs for various thermal needs.
Key Features
• Performs well in thinner layers: 25% less thickness vs cotton shoddy
• Supports lightweighting: 20% weight reduction vs cotton shoddy
Related Solutions
Nonwoven Fiber-Based Thermal Solutions
The DECI-TEX® product line includes fiber-based thermal and acoustic materials that offer high performance at reduced weight and thickness. Available in both roll and sheet formats.
Key Features
• Lightweight design
• Resistant to moisture and fire
• Fully recyclable
Related Solutions
Lightweight Composite Heat Shield
Our advanced foaming technology forms robust, lightweight panels that enhance thermal and NVH performance.
Key Features
- Net-shaped acoustic and thermal shields
- Faster layup and reduced cycle times compared to traditional methods
- Foams and adheres without needing core adhesives
Related Solutions
PHASTER™ Repair for Interior Components
PHASTER™ repair products offer quick and durable restoration of interior parts, helping regain lost NVH and structural performance.
Key Features
• Foaming repair for damaged trim zones
• Adheres to multiple surfaces without primer
• Restores sealing and acoustic properties
• Easy to use in tight spaces
• Compatible with robotic and manual tools
Solutions
Bond
Reinforce
Seal
Thermal
Select a panel to see more information.
Elastomeric Adhesives
These materials are used to bond and seal components within battery systems and contain no isocyanates. UL 94 HB and V-0 rated versions are available.
Key Features
• No primer needed
• Less hazardous than polyurethane-based materials
• Excellent durability and temperature stability
Related Solutions
Composite Structural Reinforcement Technology
CBS™ reinforcements provide enhanced section stability, enable load path transitions, manage multi-directional loads, and absorb energy to support crash protection, and lightweight design goals.
Key Features
• Highly predictable energy absorption
• Effective impact energy control
• Simplified assembly process
Related Solutions
L&L Continuous Composite Systems™
CCS™ is a cost-effective, ultra-high strength solution for reinforcement, supporting enhanced rollover performance, crash safety, impact protection, and lightweighting.
Key Features
• Uniform cross-sectional consistency
• Lightweight structural reinforcement
• Manages impact energy
• Improves vibration control and durability
• Easy to integrate into manufacturing
Related Solutions
Ambient Cure Foaming Reinforcements
PHASTER® rigid foaming adhesives are two-component systems that cure at room temperature. They adhere to a wide variety of substrates and expand to fill gaps, reinforcing cavities without the hazards typical of traditional epoxy or polyurethane materials.
Key Features
• Strong adhesion to diverse materials
• Foaming action fills gaps and cavities
• Primerless and no surface prep or abrasion needed*
*Always refer to SDS and TDS guidelines
Related Solutions
Battery Sealing
Elastomeric sealing solutions are designed to protect battery enclosures from moisture, dust, and chemical exposure while allowing for expansion due to temperature changes.
Key Features
• Protects against environmental contaminants
• Allows for thermal expansion
• VOC-free formulation
• Designed for long-term durability
Solutions
Lightweight Composite Heat Shield
These advanced foaming materials form strong, lightweight panels that help manage battery system temperatures, while offering clean, efficient processing during production.
Key Features
• Reduced cycle and layup time vs traditional methods
• Foams and bonds without separate core adhesives
Related Solutions
Why Choose L&L Products
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Resources
To discover how L&L Products contributes to advancements in the automotive market, explore our dedicated resources and find out how our materials technologies can be adapted across automotive manufacturing.