Many original equipment manufacturers, and Tier 1 and Tier 2 companies, look to General Plastics for unique chemistry-based solutions, centered on our signature rigid and flexible polyurethane foams. We supply LAST-A-FOAM® sheet stock – as well as machined and fabricated items – for diverse commercial, industrial, military and composite-manufacturing applications.


Beyond the aerospace and defense partners our company has served since its earliest days, we are privileged to support engineers and design teams in many dynamic industries. Regardless of your particular application, count on the quality and consistency of our HDU foam products, and our ability to scale production to meet your most demanding production needs.

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General Plastics supplies aerospace and defense manufacturers with pattern-to-print flexible polyurethane products and aerospace-grade rigid foam core materials for aircraft flight decks and interior cabins.

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Nuclear Containers

General Plastics has shielded nuclear transportation packages from fire and collision for 40-plus years. Our LAST-A-FOAM® FR-3700 Performance Core Series foams couple exceptional impact resistance with excellent fire protection properties for nuclear material casings and shipping containers.

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Composite Core

When you buy composite core foam, it needs to perform as intended and provide the properties specified for your application – in production and over time. That requires a polyurethane foam that is always uniform in density, weight, thickness and cell structure. For absolute consistency and guaranteed performance, General Plastics LAST-A-FOAM® is unrivaled.

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Tooling and Molds

Tool and mold makers count on General Plastics for superior-quality LAST-A-FOAM® tooling material, polyurethane molds, and pattern-to-tool capabilities. Our wide range of high-density foam formulations satisfies diverse manufacturing needs – from low-temperature layup to high-temperature autoclave (400°F) applications.

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Prototypes and Models

LAST-A-FOAM® provides an extremely stable and precise material for product prototypes and design models. Whether you are building a sports car, an aircraft prototype, or a topographical map, it is an outstanding creative medium that supports accuracy and fine detail.

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LAST-A-FOAM® R-3300 semi-submersible series is a machinable, hydrostatic pressure-resistant foam that provides buoyancy underwater.

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LAST-A-FOAM® TR Marine FRP foams are specifically formulated to meet the demanding requirements of the boating industry at a competitive price. They allow builders of recreational watercraft and yachts to replace wood components with top-quality, non-decaying marine polyurethane products for laminated fiberglass composite structures.

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The LAST-A-FOAM® R-9300 Continuous Insulation Series for cold-storage and industrial buildings couples a thermal barrier with high-strength structural support. These high-density polyurethane foam construction blocks extend building insulation from below ground to the building’s roof.

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General Plastics’ rigid polyurethane foam makes a meaningful difference in the medical and life science fields. Our specially engineered LAST-A-FOAM® Performance Core Series and X-ray Transparent Core Series have a strong track record of use with medical imaging equipment.

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Our high-density polyurethane signage foam has become the worldwide standard for versatile “green” outdoor sign board. Artist-and environmentally friendly, it clearly outperforms wood in 3-D signage and display manufacturing applications, such as theme park, mall, trade show and movie environments.

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Blast Mitigation

Explosion protection systems developed by General Plastics are being used successfully by our partners in multiple U.S. locations. The Blast-Tamer® wall system, which incorporates advanced-technology polyurethane foam, is designed to mitigate inadvertent explosion in ordnance storage facilities.

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Solar Energy

General Plastics’ LAST-A-FOAM® has been engineered to provide a structural backing for solar panels. It provides long-term durability, structural strength and rigidity for optical clarity of solar panels. The strength-to-weight ratio makes LAST-A-FOAM ideal for solar panel installation. Our rigid polyurethane foam material is available as sheet stock or CNC-machined panels custom-sized to your specifications.

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Sports and Recreation

On the water, on the ice, or on the street, LAST-A-FOAM® is at the core of top performance. Its excellent strength-to-weight ratio and material properties make it superb in recreational applications. LAST-A-FOAM® serves as structural core material in portable dance floors and in sports flooring used above ice rinks.

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800.806.6051 (US)     +1 253.473.5000 (international)