We Specialize In Everything Under The Bag To The Tool
Engineered Materials for Composite & Aerospace

The Composite Materials Partner You Can Count On

With 65+ years of experience, four stocking locations, and partnerships with industry leaders, we make it easier to source the materials you need – faster, with lower minimums and dependable support. 

Trusted by the Best in Composites

We’re proud to be a longtime distributor for many of the industry’s leading brands, including:

How We Help

Broad Inventory

We carry an extensive range of reinforcements, consumables, adhesives, and high-temp materials - ready to ship when you need them.

Industry Relationships

As a trusted distributor for the top names in composites, we give you access to high-performance materials with better lead times and personal service.

Certified & Compliant

Our AS9120 certification and strict quality standards mean every order meets the traceability and compliance requirements your projects demand.

About Coast-Line International

Coast-Line International’s story spans over 65+ years of dedication, innovation, and care. Since the beginning, we’ve focused on building long-lasting relationships and delivering solutions that stand the test of time.

Our legacy is shaped by the people we serve, the partners we support, and the values that have guided us through every chapter.

Materials That Power Performance

From cork and balsa to carbon fabrics and vacuum bagging film, we supply materials built to perform under pressure. Whether you’re building aircraft, satellites, race cars, or research tools, Coast-line helps you get the job done – with the materials to match. 

Cork & Thermal Materials

We deliver premium cork and thermal insulation materials engineered for superior heat resistance, vibration dampening, and lightweight performance.

Adhesives, Films & Prepreg Tapes

A full range of structural adhesives, bonding films, and specialty tapes designed for composite assembly, lamination, and finishing.

Bagging & Consumables

From vacuum bagging films to breather fabrics, our consumables ensure clean, consistent results during layup, curing, and infusion.

Protection & Surface Prep Materials

Protective papers, films, and surface-prep materials designed to maintain quality and cleanliness throughout manufacturing.

Tooling Materials & Equipment

Tooling materials built for mold fabrication, fixtures, and process support equipment—plus vacuum pumps and consumables to keep production efficient.

Clean Room Materials

Clean-room wipes, garments, and containment materials that meet the standards of aerospace and advanced-manufacturing facilities.

Industrial & Aerospace

Aviation-grade cleaning products formulated for effective surface prep and maintenance without compromising performance or compliance.

Composite Repair Equipment & Materials

Supplies and portable equipment for composite restoration in both field and in-shop settings.

Health & Safety Products

Personal-protective and facility-safety materials supporting clean, safe, and compliant work environments.

Vacuum Bagging Materials

From vacuum bagging films to breather fabrics, our consumables ensure clean, consistent results during layup, curing, and infusion.

Pre-Preg

Precision-engineered pre-impregnated materials for aerospace-grade composite structures. We supply carbon fiber, fiberglass, and specialty pre-pregs from leading manufacturers.

Abrasives

Surface preparation products engineered for composite and aerospace applications. From grinding discs to abrasive films, we stock the grits and formats your finishing process demands.

Surface Prep Products for Bonding

We supply peel plies, primers, and surface treatment films that ensure clean, consistent adhesion on composite assemblies.

Tooling

High-performance tooling materials for composite manufacturing, including tooling prepregs, release agents, and specialty films designed to withstand the demands of autoclave and oven cure cycles.

Non-Destructive Testing Products

Maintain structural integrity without cutting a single part. NDT consumables support ultrasonic, dye penetrant, and other inspection methods used across aerospace MRO and production.

Pressure Sensitive Tapes

A comprehensive selection of pressure sensitive tapes for masking, splicing, surface protection, and process applications sourced from trusted aerospace suppliers including 3M and Mask-Off/Protex®.

Protective Paper & Film Tapes

Protect finished surfaces and critical components during manufacturing, transport, and assembly. We carry a wide range of protective paper and film tapes rated for aerospace environments.

Technical Fabrics, Fiber, & Reinforcement

Carbon fiber, fiberglass, aramid, and hybrid reinforcement fabrics for structural composite layups. Available in a variety of weave styles, weights, and widths to meet your design requirements.

Aviation Products/Cleaners

Approved cleaning and maintenance solutions for aircraft structures and components. Our lineup includes MIL-spec and OEM-approved cleaners, degreasers, and surface treatment products.

Cleanroom Products

Contamination-controlled consumables for aerospace manufacturing environments. We supply cleanroom wipers, gloves, garments, and ancillary products that meet ISO and aerospace cleanliness standards.

Vacuum Pumps

Vacuum pump solutions for infusion, bagging, and degassing applications. We supply pumps sized for everything from bench-scale repair work to full production floor use.

Core Material

Honeycomb, foam, and specialty core materials for lightweight composite sandwich structures. Sourced from qualified manufacturers to meet aerospace structural and thermal requirements.

Adhesives

Structural and process adhesives for composite bonding, potting, and repair — including 3M Scotch-Weld epoxies and film adhesives engineered for aerospace performance specifications.

Polysulfide Sealants

Fuel-resistant and flexible polysulfide sealants for aerospace fuel tank, faying surface, and fillet sealing applications. Available in multiple cure rates and application configurations.

Health & Safety Products

Protect your team at every stage of the composite manufacturing process. We supply PPE, respiratory protection, chemical-resistant gloves, and safety consumables suited for aerospace shop environments.

Composite Repair Equipment & Materials

Everything needed for in-service composite repair — from heat blankets and vacuum equipment to repair patches and injection systems. WichiTech equipment and allied materials stocked and ready to ship.

Containment Systems

Spill containment and material management solutions designed for aerospace production and MRO facilities. Keep your shop floor compliant and your materials secure.

Material Racks, Carts, and Trucks

Custom and standard material handling solutions for prepreg, fabric rolls, and consumable storage. Keep your shop floor organized and your materials protected from damage and contamination.

Cork

Natural and agglomerated cork materials from Amorim for thermal insulation, vibration dampening, and sealing applications in aerospace structures.

Why Choose Coast-line?

We help engineers, buyers, and production teams meet tight deadlines with confidence. Our people are known for making things easy – no red tape, no wasted time.

Serving Innovation Across Industries

Our materials support advanced projects in aerospace, automotive, defense, and beyond. Whether you’re building for altitude, speed, strength, or science – we’ve got the supplies and support to match.

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Aerospace & Spaceflight

From pre-pregs and structural adhesive films to vacuum bagging materials and cleanroom supplies, we provide the certified materials that aerospace manufacturers and MRO facilities depend on - with full traceability and AS9120-backed quality.

Automotive

High-performance composites are reshaping what's possible in automotive design. We supply the reinforcements, core materials, and adhesives used in lightweight body panels, structural components, and prototype development.

Marine

Whether you're building hulls, decks, or interior structures, we carry the resins, fabrics, core materials, and tooling supplies needed for composite boat building - from one-off custom builds to production-scale manufacturing.

Tooling

We stock a full range of tooling materials including board stock, surface coats, release agents, and high-temp tapes - everything you need to build and maintain molds, plugs, and production tooling.

Defense & Government

Our materials support military aircraft manufacturing, composite repair, and maintenance operations across defense programs. We understand the documentation, traceability, and lead-time demands that come with government contracts.

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Research & Engineering

Developing new layups, testing material properties, or prototyping a new design? We supply the technical fabrics, pre-pregs, adhesives, and consumables that R&D labs and university programs need to push composites forward.

Need Materials? Let’s Talk.

Whether you’re sourcing a single material or stocking up for an entire program, our team is ready to help. We respond fast – and ship even faster.