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






We carry an extensive range of reinforcements, consumables, adhesives, and high-temp materials - ready to ship when you need them.
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.
Our AS9120 certification and strict quality standards mean every order meets the traceability and compliance requirements your projects demand.
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.
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.
From vacuum bagging films to breather fabrics, our consumables ensure clean, consistent results during layup, curing, and infusion.
Precision-engineered pre-impregnated materials for aerospace-grade composite structures. We supply carbon fiber, fiberglass, and specialty pre-pregs from leading manufacturers.
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.
We supply peel plies, primers, and surface treatment films that ensure clean, consistent adhesion on composite assemblies.
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.
Maintain structural integrity without cutting a single part. NDT consumables support ultrasonic, dye penetrant, and other inspection methods used across aerospace MRO and production.
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®.
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.
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.
Approved cleaning and maintenance solutions for aircraft structures and components. Our lineup includes MIL-spec and OEM-approved cleaners, degreasers, and surface treatment 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 pump solutions for infusion, bagging, and degassing applications. We supply pumps sized for everything from bench-scale repair work to full production floor use.
Honeycomb, foam, and specialty core materials for lightweight composite sandwich structures. Sourced from qualified manufacturers to meet aerospace structural and thermal requirements.
Structural and process adhesives for composite bonding, potting, and repair — including 3M Scotch-Weld epoxies and film adhesives engineered for aerospace performance specifications.
Fuel-resistant and flexible polysulfide sealants for aerospace fuel tank, faying surface, and fillet sealing applications. Available in multiple cure rates and application configurations.
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.
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.
Spill containment and material management solutions designed for aerospace production and MRO facilities. Keep your shop floor compliant and your materials secure.
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.
Natural and agglomerated cork materials from Amorim for thermal insulation, vibration dampening, and sealing applications in aerospace structures.
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.
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.
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.
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.
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.
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.
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.
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.
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.