Thermoforming & Vacuum Forming
Custom thermoformed and vacuum-formed marine plastic parts using UV-resistant and marine-grade materials. Ideal for enclosures, panels, and protective covers built to withstand saltwater and outdoor exposure.
From saltwater-resistant enclosures to precision-trimmed deck components, Hill Plastics delivers durable, custom-fabricated marine plastic parts built to withstand harsh marine environments. With over 45 years of manufacturing expertise, we combine advanced thermoforming, CNC cutting, and expert material selection to produce high-quality parts that meet exact specifications—from prototype to full production runs.
Comprehensive plastic fabrication solutions tailored for marine applications—from custom thermoforming to precision CNC trimming and prototyping.
Custom thermoformed and vacuum-formed marine plastic parts using UV-resistant and marine-grade materials. Ideal for enclosures, panels, and protective covers built to withstand saltwater and outdoor exposure.
Precision CNC trimming and cutting services to finish marine plastic components to exact drawing specifications, ensuring clean edges, dimensional accuracy, and repeatable quality for every production run.
Full-service custom plastic fabrication including precision drilling, heat bending, bonding, edge finishing, and assembly—delivering marine-ready parts that meet tight tolerances and demanding performance requirements.
Custom mold and tooling solutions using aluminum, polyurethane, and wood materials. Supports marine prototypes through full production, with easy adjustments and rapid turnaround at every stage.
Low-cost prototype fabrication using wood or polyurethane tooling, allowing marine product designers to review fit and function before committing to full production tooling and manufacturing runs.
Expert guidance on marine plastic material selection—evaluating UV resistance, chemical exposure, impact strength, and durability—alongside full design support from concept through finished marine components.
Marine environments demand materials and fabrication techniques that stand up to UV exposure, saltwater, humidity, and mechanical stress. Hill Plastics brings over 45 years of custom plastic fabrication experience to the marine industry, producing thermoformed enclosures, panels, and precision-cut components from UV-resistant and marine-grade materials like ASA/ABS and HDPE. Whether you need a one-off prototype or a high-volume production run, our 20,000+ sq ft facility and expert engineering team deliver finished parts to exact specifications—on time and on budget.
See how Hill Plastics has delivered precision marine and industrial plastic solutions that exceed client expectations.
"Great value, family business, personal attention. Over the years, Cody, Brad, and Aubrey have become valued associates in my small enterprise. Willing to tackle design challenges. Get-her-done communications. Outreach to additional sources of expertise. These folks understand the inventive process. Cody for example is a Kickstarter supporter and is familiar..."
"Hill Plastics did a great job creating a substitute back window for my RV. I have a portable mini-split air conditioner that I use in extremely hot weather to supplement my RV’s own cooling power. The mini-split has an inside unit that blows the cold air and an outside condenser..."
"Great value, family business, personal attention. Over the years, Cody, Brad, and Aubrey have become valued associates in my small enterprise. Willing to tackle design challenges. Get-her-done communications. Outreach to additional sources of expertise. These folks understand the inventive process. Cody for example is a Kickstarter supporter and is familiar..."
"Hill Plastics did a great job creating a substitute back window for my RV. I have a portable mini-split air conditioner that I use in extremely hot weather to supplement my RV’s own cooling power. The mini-split has an inside unit that blows the cold air and an outside condenser..."
"Great value, family business, personal attention. Over the years, Cody, Brad, and Aubrey have become valued associates in my small enterprise. Willing to tackle design challenges. Get-her-done communications. Outreach to additional sources of expertise. These folks understand the inventive process. Cody for example is a Kickstarter supporter and is familiar..."
"Hill Plastics did a great job creating a substitute back window for my RV. I have a portable mini-split air conditioner that I use in extremely hot weather to supplement my RV’s own cooling power. The mini-split has an inside unit that blows the cold air and an outside condenser..."
We combine decades of industry experience with advanced equipment and a commitment to quality to deliver marine plastic parts you can rely on.
Since 1977, we've produced high-quality plastic parts for marine and other demanding industries nationwide.
We work with UV-resistant ASA/ABS, HDPE, and other materials proven to handle harsh saltwater and outdoor marine conditions.
Our engineering team guides marine clients from initial concept and material selection through prototyping and full production fulfillment.
With eight thermoforming machines and two CNC trimming centers, we scale from short prototype runs to thousands of production parts efficiently.
Our experienced engineers are ready to bring your marine fabrication project to life.
Sales & Engineering Team
Brad Hill brings deep expertise in plastic thermoforming design and materials engineering to every customer project. As a key member of Hill Plastics' sales and engineering team, Brad specializes in helping clients navigate the complexities of material selection—evaluating cost, impact requirements, durability, tensile strength, chemical resistance, and environmental factors to identify the optimal PS or HIPS grade for each unique application. He works closely with customers from initial concept through prototype approval, offering guidance on tooling design, process optimization, and production planning. Brad's hands-on approach ensures that every thermoformed component is engineered for performance, manufacturability, and cost-effectiveness. His commitment to collaborative problem-solving and technical precision has made him a trusted advisor to OEM manufacturers, aerospace clients, and medical device companies nationwide. With a focus on delivering turnkey solutions that meet exact specifications, Brad exemplifies Hill Plastics' dedication to quality, innovation, and customer success.
Sales & Engineering Team
Cody Hill is a skilled plastics engineer and sales professional with a passion for transforming customer ideas into precision-manufactured reality. As part of Hill Plastics' dedicated sales and engineering team, Cody provides expert consultation on product design, material selection, and tooling strategy for custom thermoforming projects. He leverages advanced CAD tools like SolidWorks to collaborate with clients on design refinements, ensuring optimal part geometry, wall thickness distribution, and draft angles for successful vacuum forming. Cody's technical knowledge spans the full spectrum of PS and HIPS materials, enabling him to recommend the best plastic grade based on application-specific demands such as impact resistance, rigidity, clarity, and cost. From rapid prototyping using low-cost tooling to scaling up for high-volume production runs, Cody guides customers through every phase of the manufacturing process with transparency and attention to detail. His proactive communication style and commitment to delivering on-time, on-budget results have earned him the trust of clients across aerospace, telecommunications, industrial equipment, and medical device sectors.
Marine-grade plastics are materials engineered to resist UV degradation, saltwater corrosion, moisture, and mechanical stress. Common options include UV-resistant ASA/ABS, High-Density Polyethylene (HDPE), and standard ABS with UV inhibitors. At Hill Plastics, we evaluate your specific marine application—including environmental exposure, impact requirements, and chemical resistance—to recommend the best material for lasting performance.
Speak with our engineering team for expert guidance and a free project consultation.
Based in Lewisville, Texas, Hill Plastics ships precision-fabricated marine plastic parts across the United States.
Nationwide USA
Service Area
20,000+ Sq Ft
Manufacturing Facility
Mon–Fri, 7AM–4:30PM
Business Hours
We serve marine clients across the U.S.—contact us to discuss your project and shipping needs.
Serving marine and industrial clients since 1977
Advanced design and CNC interface using SolidWorks software
Custom QC system monitors all stages from tooling to fulfillment
Fill out the form below and our engineering team will get back to you promptly to discuss your requirements, materials, and next steps—no obligation.
For immediate assistance, feel free to give us a direct call at +1 972-436-9717. You can also send us a quick email at sales@hillplastics.com.
For immediate assistance, feel free to give us a direct call at +1 972-436-9717. You can also send us a quick email at sales@hillplastics.com.