Case hardware

Case Building Materials – Your Foundation for Professional Flight Cases

Building custom flight cases demands precision, durability and the right components. LTT supplies everything You need to construct professional transport solutions for event technology, stage equipment and touring applications. From aluminium profiles and butterfly latches to multiplex plywood and shock-absorption foam, our comprehensive range of case building materials enables You to create bespoke protective enclosures that meet the demanding standards of professional event technicians, touring crews and stage builders. Whether You're fabricating a new case from scratch or repairing an existing road case, LTT delivers the quality components that ensure Your valuable equipment travels safely.

What Are Case Building Materials? The Fundamentals of Flight Case Construction

Case building materials comprise the structural components, hardware fittings and protective elements required to construct flight cases – robust transport containers designed to protect sensitive equipment during touring, shipping and storage. Unlike generic packaging, flight cases are engineered to withstand the rigours of professional event technology applications, where equipment faces repeated loading, transport vibrations, stacking loads and environmental exposure.

The core structural elements include aluminium extrusion profiles that form the protective frame around the case perimeter. These profiles – typically 30 mm or 35 mm face height – provide impact resistance and create mounting channels for hardware. Multiplex birch plywood panels (commonly 9 mm thickness) form the case walls, lid and base, offering an excellent strength-to-weight ratio. For lighter applications, honeycomb plastic panels such as Adam Hall SolidLite reduce weight while maintaining rigidity.

Hardware components include butterfly latches (available in small 80×78 mm, medium 108×103 mm and large 174×126 mm sizes), spring-loaded ball corners for impact protection, recessed handles for ergonomic carrying, and piano hinges or separate lid-stay hinges for controlled opening. Transport solutions range from light-duty 100 mm Blue Wheel castors to heavy-duty 160 mm braked castors rated to 350 kg load capacity, manufactured by specialists such as Riggatec, Guitel and Blickle.

Interior protection relies on shock-absorption foam – typically polyethylene or polyurethane foam in densities from 25 kg/m³ (soft padding) to 80 kg/m³ (firm structural support) – custom-cut to cradle equipment securely. For 19-inch rack integration, rack rails (483 mm width, 44 mm height unit spacing) with cage nuts and rack screws enable standardised mounting of amplifiers, lighting controllers and audio processors.

Compared to off-the-shelf cases, custom-built solutions using quality materials offer precise fitment, optimised weight distribution and the ability to integrate specific features such as cable pass-throughs, ventilation grilles or custom foam inserts that protect irregular equipment shapes.

Applications – Where Case Building Materials Deliver Professional Protection

Case building materials serve critical protective functions across the entire spectrum of event technology and touring applications. Touring musicians and bands construct custom cases for guitar amplifiers, drum hardware, keyboard rigs and monitor speakers, ensuring equipment survives the constant loading and unloading of tour schedules. Lighting technicians build cases for moving heads, LED panels, DMX controllers and cable looms, often integrating foam partitions to prevent fixture damage during transport.

Audio engineers fabricate rack cases for mixing consoles, wireless microphone systems, effects processors and amplifier racks, frequently incorporating 19-inch rack rails to standardise equipment mounting and simplify setup. Event production companies create bespoke cases for projectors, video switchers, camera equipment and broadcast technology, where precise internal dimensions and custom foam inserts protect high-value electronics.

Trade show and exhibition builders rely on case building materials to construct transport solutions for display systems, promotional materials and demonstration equipment that must arrive pristine at venues worldwide. Theatre and stage productions build cases for props, costume elements, rigging hardware and special effects equipment, often requiring custom internal layouts that accommodate irregular shapes.

The materials also serve industrial applications where sensitive measurement instruments, medical devices or scientific equipment require robust protection during field deployment. DJ and mobile entertainers construct cases for turntables, controllers, laptop stands and lighting effects, prioritising lightweight construction without sacrificing protection.

For professionals managing multiple equipment types, the ability to design cases with exact internal dimensions, optimised weight distribution and application-specific features – such as cable management channels, ventilation for heat-dissipating equipment or quick-access panels – represents a significant operational advantage over generic commercial cases.

Quality Standards and Professional Buying Criteria for Case Building Materials

Selecting appropriate case building materials requires understanding the technical specifications that determine durability, load capacity and long-term reliability in professional touring environments. Aluminium profiles should specify wall thickness (typically 1.2 mm to 2.0 mm) and alloy grade – 6063-T6 aluminium offers excellent strength-to-weight ratio and corrosion resistance. Profile face height (30 mm or 35 mm) determines impact protection depth and screw-mounting capacity.

Multiplex plywood panels must state layer count and wood species – birch multiplex with 7 to 9 cross-laminated layers provides superior screw-holding strength and impact resistance compared to softwood alternatives. Panel thickness ranges from 6 mm (lightweight applications) through 9 mm (standard touring cases) to 12 mm (heavy-duty transport). Phenolic resin coating on exterior surfaces enhances moisture resistance and surface durability.

For hardware components, material specifications matter significantly. Butterfly latches manufactured from 0.8 mm nickel-plated steel offer corrosion resistance and long-term spring tension retention. Cheaper zinc-plated variants may corrode in humid touring environments. Ball corners should specify steel gauge (typically 0.8 mm to 1.0 mm) and finish – powder-coated, chrome-plated or black-oxidised options suit different aesthetic and durability requirements.

Castor load ratings must exceed the total case weight plus equipment load with adequate safety margin. A case weighing 40 kg loaded with 60 kg equipment (100 kg total) requires castors rated minimum 125 kg per wheel (500 kg total for four-wheel configuration). Riggatec Blue Wheels 100 mm diameter castors handle 80 kg per wheel; heavy-duty 160 mm variants manage 200 kg per wheel. Braked castors prevent unwanted movement during loading.

Foam specifications include density (kg/m³), compression set resistance and cell structure. Polyethylene foam at 35 kg/m³ density suits general padding; 60 kg/m³ provides firm support for heavy equipment. Convoluted "egg-crate" foam increases surface contact area for delicate items.

Reputable manufacturers such as Penn Elcom, Adam Hall, Riggatec and Guitel publish detailed technical specifications, load ratings and material certifications. Price brackets vary significantly: budget aluminium profiles start around €3.50 per metre; premium extruded profiles reach €8.00 per metre. Butterfly latches range from €1.20 (small, basic finish) to €6.50 (large, stainless steel). Multiplex birch plywood 9 mm thickness typically costs €25–€45 per square metre depending on panel size and phenolic coating.

For professional applications subject to DGUV Vorschrift 17 (formerly BGV C1) regulations – particularly cases used in rigging or overhead suspension – materials must meet documented load ratings and manufacturers should provide technical data sheets confirming compliance with relevant EN standards.

Material Selection Guide – Choosing the Right Components for Your Case Project

Successful case construction begins with matching material specifications to the intended application, equipment weight and transport conditions. This section provides practical guidance for selecting components that deliver optimal protection without unnecessary weight or cost.

Structural Panel Selection

Multiplex birch plywood remains the industry standard for professional touring cases due to its excellent screw-holding capacity, impact resistance and predictable structural behaviour. For a standard DJ controller case (internal dimensions 600×400×150 mm, equipment weight 8 kg), 9 mm birch multiplex provides adequate strength with total case weight around 12 kg. Heavier equipment – such as a 4-channel amplifier rack weighing 35 kg – benefits from 12 mm panels, particularly for the base panel that bears stacking loads.

Honeycomb plastic panels such as Adam Hall SolidLite offer weight savings of 40–50% compared to equivalent plywood thickness. A lighting case built with 10 mm SolidLite panels instead of 9 mm plywood reduces total weight by approximately 3–4 kg, significant for air-freight touring where every kilogram incurs cost. However, plastic panels provide lower screw-holding strength, requiring more frequent hardware mounting points and reinforcement around high-stress areas such as handle attachments.

Hardware Dimensioning

Butterfly latch sizing depends on case dimensions and lid weight. Small butterflies (80×78 mm) suit cases up to 500 mm width; medium butterflies (108×103 mm) handle cases to 800 mm width; large butterflies (174×126 mm) secure cases exceeding 800 mm or lids heavier than 8 kg. As a rule, specify one butterfly per 400 mm of case perimeter for adequate closure security.

Ball corner selection follows case size: 30 mm radius corners suit compact cases (under 600 mm longest dimension); 40 mm radius corners fit medium cases (600–1000 mm); 60 mm radius corners reinforce large cases (over 1000 mm). Sunken ball corners create a flush surface for stacking; raised corners provide additional impact protection but increase overall case dimensions.

Castor Specification

Calculate required castor load rating by dividing total loaded case weight by number of wheels, then multiply by 1.5 safety factor. A case with 80 kg total weight on four castors requires: (80 kg ÷ 4) × 1.5 = 30 kg per wheel minimum rating. Riggatec Blue Wheel 100 mm castors (80 kg rating) provide adequate capacity; 125 mm castors (120 kg rating) offer additional safety margin.

For cases transported over rough surfaces or cobblestones, larger diameter wheels (160 mm or 200 mm) roll more easily and reduce vibration transmission to equipment. Braked castors should be fitted to at least two wheels (diagonal configuration) to prevent movement during loading.

Foam Interior Design

Foam selection balances protection against weight. Polyethylene foam at 25–35 kg/m³ density provides soft cushioning for lightweight, impact-sensitive items such as microphones or small controllers. Polyurethane foam at 50–60 kg/m³ density offers firmer support for heavier equipment such as amplifiers or lighting fixtures, preventing compression under load.

Convoluted "egg-crate" foam increases contact surface area by approximately 300% compared to flat foam, distributing pressure more evenly across delicate equipment surfaces. For equipment with protruding controls or connectors, custom-routed foam inserts (created using hot-wire cutting or CNC routing) provide precise fitment and prevent movement during transport.

A typical foam configuration uses 30 mm base layer (firm foam), equipment cavity (routed to exact dimensions with 5 mm clearance), and 20 mm lid layer (soft foam) – total foam thickness 50 mm plus equipment height determines minimum case internal depth.

Advanced Case Construction Techniques – Professional Tips for Superior Results

Mastering case building materials requires understanding not just component specifications but also assembly techniques that ensure structural integrity, longevity and professional finish quality. This section covers advanced methods that separate amateur projects from touring-grade professional cases.

Aluminium Profile Assembly

Precise mitred corners (45-degree cuts) create the cleanest profile joints, but require accurate cutting with a metal-cutting mitre saw or guided hand saw. For profiles with internal T-slot channels, corner blocks (aluminium or reinforced plastic) inserted into the profile channels provide additional joint strength and eliminate the need for perfect mitre accuracy – butt joints with corner blocks achieve equivalent strength to mitred joints.

When riveting profiles to panels, drill pilot holes 3.8 mm diameter for 4 mm rivets, maintaining 40 mm spacing along profile length. Closer spacing (30 mm) around high-stress areas such as handle mounting points prevents panel delamination under repeated loading. Always rivet through both profile flanges – single-flange riveting provides only 40% of the joint strength.

Panel Edge Treatment

Exposed plywood edges absorb moisture and delaminate over time. Professional edge treatment involves routing a 2 mm radius on all panel edges before profile installation, then sealing edges with PU-based edge sealant or thin aluminium edge trim. This simple step extends case life by 3–5 years in humid touring environments.

For cases subject to DGUV Vorschrift 17 regulations, panel joints must not rely solely on rivets – apply structural wood adhesive (PU or epoxy-based) to all profile-to-panel contact surfaces before riveting. Adhesive bonding increases joint strength by approximately 60% and prevents rivet loosening under vibration.

Hardware Mounting Precision

Butterfly latches require precise alignment between case body and lid – misalignment by just 2 mm prevents secure closure. Use a positioning jig (simple MDF template) to mark all butterfly locations before drilling. Mount butterflies with the spring-loaded keeper on the case body (not the lid) to prevent lid sagging over time.

Recessed handles must be mounted through reinforcement blocks (minimum 20 mm thick hardwood or aluminium) to distribute load across the panel. Mounting directly to 9 mm plywood will cause panel cracking after 50–100 lift cycles with a 30 kg case.

Foam Cutting and Installation

Hot-wire foam cutting produces cleaner edges and more precise cavities than knife cutting, particularly for complex equipment shapes. Create a cardboard template of the equipment profile first, then transfer to foam using a marker. Cut foam cavities 3–5 mm larger than equipment dimensions to allow easy insertion/removal while maintaining secure fit.

Adhesive-backed foam simplifies installation but reduces flexibility for future modifications. Professional approach: use spray contact adhesive only on the base foam layer; leave lid foam and partition foam removable with Velcro strips, enabling layout changes as equipment evolves.

Load Distribution for Heavy Equipment

Cases containing equipment exceeding 40 kg total weight require reinforced base construction. Install a secondary 6 mm plywood panel beneath the primary 9 mm base panel, creating a double-layer base with 15 mm total thickness. This prevents base panel flexing when the case is lifted, which would stress corner joints and potentially crack panels.

For rack cases with 19-inch equipment, mount rack rails to vertical reinforcement bars (20×40 mm hardwood or aluminium box section) rather than directly to side panels. This transfers equipment weight to the case frame structure rather than the panels, preventing panel bowing under load.

Weather Sealing

Professional touring cases incorporate weather sealing around lid perimeters using self-adhesive EPDM rubber gasket (typically 10×3 mm section). Position the gasket on the case body rim (not the lid) so lid weight compresses the gasket when closed, creating a water-resistant seal. This protects equipment during outdoor loading in rain or when cases are stored in unheated transport vehicles where condensation forms.

LTT – Your Specialist for Event Technology Case Building Materials

LTT supplies the complete range of professional case building materials You need to construct touring-grade flight cases that protect Your valuable event technology equipment. With over 25 years of experience in professional event technology and our own manufacturing facility in Germany, we understand the demanding requirements of touring crews, stage technicians and event production companies.

Our comprehensive inventory includes aluminium profiles from leading manufacturers, multiplex birch plywood panels in all standard thicknesses, butterfly latches and hardware from Penn Elcom and Adam Hall, heavy-duty Riggatec castors rated to 350 kg capacity, and professional-grade shock-absorption foams. Every component meets the quality standards required for professional touring applications, with technical specifications documented for compliance with DGUV Vorschrift 17 regulations where applicable.

As both retailer and manufacturer, LTT offers unique expertise in case construction techniques, material selection and structural engineering. Our technical team provides guidance on component sizing, load calculations and assembly methods that ensure Your custom cases deliver reliable protection throughout years of professional use. We ship worldwide from our facility in Bocholt, Germany, with express delivery options available and free shipping on orders over €69. Your investment is protected by our comprehensive 3-year warranty, backed by over 100,000 positive customer reviews from event technology professionals across Europe.

Whether You're building Your first custom case or fabricating complex multi-compartment transport solutions for touring productions, LTT delivers the quality materials, technical expertise and reliable service that professional event technology demands.

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