Piedmont Plastics stocks PVC foam sheet for marine applications, including Aqua-Plas I, Aqua-Plas III, and Seaboard Endurabond.

Marine Grade PVC Foam Sheet
"Durable, lightweight marine PVC foam: perfect for all-weather applications."
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Fabrication Support
Cut-to-Size, Routing
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Local
Inventory Stocking
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National
Inventory Access
Product Overview
Widely used for:
Performance Characteristics:
Typical Properties of Marine Grade PVC Foam Sheet
Common Properties
- Common Brand Names Aqua Plas 1 Ultra, Aqua Plas 3 Ultra LG, Seaboard Endurabond
- Typical Thickness Size 0.25, 0.5, 0.75, 1 in
- Typical Lengths 48, 96, 120 in
- Typical Widths 24, 48 in
- Friendly Names PVC Foam, Expanded PVC
- Common Profiles Sheet
Physical Properties
- Density 0.95 - 1.2g/cm³
- Water Absorption 0.3 - 0.5%
- Moisture Absorption at Equilibrium 3.0 - 4.0%
- Linear Mold Shrinkage 0.4 - 2.0%
- Melt Flow 5 - 30g/10 min
Electrical Properties
- Dielectric Strength 15.7kV/mm
- Dielectric Constant 2.9
- Dissipation Factor 0.015
- Volume Resistivity 1.0E+15ohm·cm
- Surface Resistivity 10000000000000ohm/sq
- Arc Resistance 120seconds
- Comparative Tracking Index (CTI) 600V
- Thermal Coefficient of Dielectric Constant - 0.02%/°C
- Breakdown Voltage 157kV
Mechanical Properties
- Hardness, Rockwell R 90HRR
- Tensile Strength, Ultimate 60MPa
- Tensile Strength, Yield 45MPa
- Elongation at Break 10%
- Elongation at Yield 4%
- Modulus of Elasticity 3000MPa
- Flexural Yield Strength 55MPa
- Flexural Modulus 3200MPa
- Compressive Yield Strength 50MPa
- Bearing Yield Strength 100MPa
- Shear Strength 40MPa
- Izod Impact, Notched 100J/m
- Izod Impact, Unnotched 900J/m
- Gardner Impact 15J
- Falling Dart Impact 25J
- Instrumented Impact Total Energy 20J
Thermal Properties
- CTE, linear 60µm/m°C
- CTE, linear, Transverse to Flow 40µm/m°C
- Deflection Temperature at 0.46 MPa (66 psi) 70°C
- Deflection Temperature at 1.8 MPa (264 psi) 60°C
- Vicat Softening Point 85°C
- Flammability, UL94 V - 0
- Max Continuous Operating Temperature in F 140°F
- Minimum Operating Temperature in F - 40°F
- Thermal Conductivity 0.035W/mK
Regulations
- UL-94 Flame Class
- ASTM/Mil-Spec
- D635 Self Extinguishing
- RoHS Compliant
- REACH Compliant
Marine Grade Foam Sheet at Piedmont Plastics
Marine grade foam polyvinyl chloride (FPVC) sheet is a versatile and lightweight alternative to traditional solid PVC and other heavier materials. It offers the perfect balance of lightness and strength while capable of handling heavy loads effortlessly.
For marine applications, Piedmont Plastics proudly offers an extensive selection of top-quality marine grade PVC foam sheet products. Our inventory includes a diverse range of products such as Aqua-Plas® I, Aqua-Plas® III, and Seaboard® Endurabond™. Each of these products has been specifically designed to meet the rigorous demands of marine environments, providing durability, moisture resistance, and structural integrity in all weather conditions. Whether you are building, refurbishing, or upgrading your marine vessel, our FPVC sheets provide a reliable and aesthetically pleasing solution.
Key Features and Benefits of Marine Grade FPVC
Exceptional Durability and Water Resistance: The robust composition of FPVC resists moisture, saltwater, and UV rays, ensuring that it won't warp, rot, or deteriorate.
Lightweight and Easy to Work With: This foam PVC is remarkably lightweight, making it easy to handle, install, cut, shape, and bond using standard tools and techniques.
Weather Resistance: Optimized for outdoor use, our marine grade foam PVC is impervious to intense sunlight, salt spray, or fluctuating temperatures, thus maintaining its integrity and appearance.
Thermal Conductivity: Alongside its structural advantages, FPVC also excels in thermal insulation which helps maintain warmth and provides a more comfortable and insulated environment.
Smooth Surface: The sleek surface of this sheet allows for the effortless addition of lamination, printing, or personalized graphics.
Available Marine Grade Foam Sheet Product Options
Aqua-Plas I Ultra: Specifically engineered for use in marine upholstery applications, renowned for its ability to hold staples and screws securely. This product distinguishes itself by offering superior impact strength, outperforming many other PVC foam sheets available on the market. Not only is it lightweight, but it is also environmentally friendly, making it a conscientious choice for your marine projects.
Aqua-Plas III Ultra LG: Designed specifically for fiberglass boat builders, our lamination-grade PVC foam sheet is an environmentally friendly option that does not sacrifice performance. This lightweight sheet boasts superior impact strength, excellent screw retention, and a modified finish that is optimized for lamination, allowing for strong adhesion to fiberglass surfaces without the need for prior surface preparation.
Endurabond: An exceptional alternative to wood coring materials, Endurabond boasts features that are tailored for high-performance applications. It adheres seamlessly to fiberglass without any prior surface preparation and is crafted to resist corrosion, delamination, rot, and splintering.
Standard Sheet Specifications
Piedmont Plastics stocks marine grade foam PVC sheet in various standard sizes, thicknesses, colors, and finishes. You can also request to have your order cut-to-size to meet the exact specifications of your maritime application.
Aqua-Plas I | Aqua-Plas III | Endurabond | |
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SIZES | 48”x96” | 48”x96” | 48”x96” |
THICKNESSES | 6 mm (1/4 in.), 10 mm (3/8 in.), 12 mm (1/2 in.), 19 mm (3/4 in.) | 6 mm (1/4 in.), 10 mm (3/8 in.), 12 mm (1/2), 19 mm (3/4 in.) | 6 mm (1/4 in.), 10 mm (3/8 in.), 12 mm (1/2), 19 mm (3/4 in.), 22 mm (7/8 in.) |
COLORS | White & Gray | White | Gray |
FINISHES | Matte | Grainy | Coarse |
Ready to Order Marine Grade PVC Foam?
Piedmont Plastics is proud to carry the highest quality marine grade products, including our inventory of PVC foam sheet. In addition, we have a team of dedicated marine market experts who are exclusively dedicated committed to supporting our marine customers through their decades of experience and maritime knowledge.
For more guidance on your particular maritime application, contact our expert sales team at one of our many locations across North America.
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