Dyplast Products has joined the North American region of Kingspan's Insulation Division
EPS Overview
EPS - Expanded Polystyrene Insulation
Kingspan manufactures EPS blocks using a molding process at densities of 1.0, 1.25, 1.5, 2.0, and 3.0 lb/ft3. Kingspan’s production capacities allow us to meet market demands for large or small volume projects. In addition, Kingspan has extensive fabrication capacity and considerable staff expertise to fabricate the blocks into sheets or virtually any shape utilizing computer-aided-design (CAD).
EPS Versatile Applications include:
- Engineered roof deck systems:
- Lightweight Insulating Concrete Systems: (LWIC) using Kingspan’s EPS Holey Board (thicknesses from ½” to 24”) and tapered EPS pieces embedded within the concrete are proven, high performance roof enclosure products for new steel and concrete construction as well as reroofing applications.
- Tapered EPS Roofing System: Predesigned pieces of EPS with a slope of 1/8, 3/16, or ¼ inch per foot as required. Each piece is labeled to match the actual CAD/CAM (computer aided design and manufacturing) requirement.
- Laminated panels and Cavity walls: (on-site or manufactured building systems)
- Exterior and Interior Commercial and Residential Architectural Shapes
- Fabricated Forms: Concrete, OEM, Specialty designs and applications
- Geofoam: Roads, bridge approaches, plaza pool decks, parking ramps, stadium seating
Building and Construction Applications

Other EPS Applications
- Refrigeration panels
- Composite Foam Cores:including spa covers
- Marine:buoyance, flotation, docks
- Sheet applications: exhibit and office cavity, signs, flat sheet EPS garage door cores
- Shape Molded Packaging: corner protectors, 5L and 10L boxes
- Flat Packaging: custom fabricated panels
- Miscellaneous Applications: planters and nurseries

Foam Core Applications
- Composite panels with substrates (e.g. metal, fiber/resin, poly/plastic, or composites laid-over EPS cores)
- Cores for Structural Insulated Panels (SIPS)
- Laminated panels / Sandwich panels
- Transportation/vehicle walls and floors
- Customized form molds for concrete arches and other shapes in building applications
- Special Cuts for customized applications
- EPS/Polyiso sandwich cores
- Cores for spa covers and similar applications
ASTM C578 Product Specifications
C578 Data Table | |||||||
---|---|---|---|---|---|---|---|
Physical Properties1 | ASTM | Units | Type I | Type VIII | Type II | Type IX | Type XIV2 |
Density (min) | D1622 | lb/ft3 | 0.90 | 1.15 | 1.35 | 1.80 | 2.40 |
Compressive Strength at 10% Deformation (min) | D1621 | lb/in2 | 10.0 | 13.0 | 15.0 | 25.0 | 40 |
Flexural Strength (min) | C203 | lb/in2 | 25.0 | 30.0 | 35.0 | 50.0 | 60 |
Thermal Conductivity | C518 | Btu.in/hr. | |||||
75°F | 0.278 | 0.263 | 0.250 | 0.238 | 0.222 | ||
Thermal Resistance (1" thick) | C518 | hr.ft2.˚F/BTU | |||||
75°F | 3.60 | 3.80 | 4.00 | 4.20 | 4.50 | ||
Water Absorption (max) | C272 | % by Volume | 4.0 | 3.0 | 3.0 | 2.0 | 2.0 |
Water Vapor Permeability - | E96 | perm-inch | 5.0 | 3.5 | 3.5 | 2.5 | 2.5 |
Dimensional Stability (max) | D2126 | % | |||||
158°F / 97%RH | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | ||
-40°F / Ambient RH | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | ||
Oxygen Index (min) | D2863 | Volume % | 24.0 | 24.0 | 24.0 | 24.0 | 24.0 |
1 These are nominal values obtained from representative samples internally or third party tested to meet the requirements of ASTM C578, subject to normal manufacturing variances.
2 Not available from Kingspan Miami facility
Geofoam Product Specifications
ASTM D6817 | ||||||||
---|---|---|---|---|---|---|---|---|
Physical Properties1 | ASTM | Units | EPS 152 | EPS 19 | EPS 22 | EPS 29 | EPS 392 | EPS 463 |
Density (min) | D1622 | lb/ft3 | 0.90 | 1.15 | 1.35 | 1.80 | 2.40 | 2.85 |
Compressive Strength (min) | C165 | lb/in2 | ||||||
1% deformation | 3.6 | 5.8 | 7.3 | 10.9 | 15.0 | 18.6 | ||
5% deformation | 8.0 | 13.1 | 16.7 | 24.7 | 35.0 | 43.5 | ||
10% deformation | 10.2 | 16.0 | 19.6 | 29.0 | 40.0 | 50.0 | ||
Flexural Strength (min) | C203 | lb/in2 | 25.0 | 30.0 | 35.0 | 50.0 | 60.0 | 75.0 |
Oxygen Index (min) | D2863 | Volume % | 24 | 24 | 24 | 24 | 24 | 24 |
1 These are nominal values obtained from representative samples internally or third party tested to meet the requirements of ASTM D6817, subject to normal manufacturing variances. For additional ranges and specifications, contact Kingspan.
2 Not available from Kingspan Miami facility.
3 Only available from Kingspan Miami Facility.
Product Documents
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