Form · 5–30 mm
Foam — indicative fig. S·01
Fire Combustible CombustibleEmbodied carbon Data pending Compressive 90kPa StructuralDesign life Data pending
Closed-cell polyethylene foam with excellent water resistance (0.2-0.3% absorption), thermal insulation (0.042 W/m·K), and compression resistance. Available in various densities (32-144 kg/m³) for gasket, insulation, and joint filling applications.
01 Physical
Density 32-144kg/m³
Porosity >90% closed cells
Water absorption 0.2-0.3%
02 Mechanical
Tensile strength 483kPa
Compressive strength 90kPa
Flexural strength Not a primary design criterion; flexural modulus 2000-4000 kPa at 64 kg/m³kPa
03 Thermal
Thermal conductivity 0.042W/m·K
04 Compliance & Fire First question
Combustibility class Combustible
Fire resistance level Not ratedhours
Flame spread index <75
05 Sustainability & Health
Embodied carbon Not availablekgCO2e/kg
Embodied energy Not availableMJ/kg
VOC emissions <0.5 mg/m²·hr (GREENGUARD certified grades)μg/m³
06 Durability · Cost · Logistics
Data pending — not yet recorded for this material.
07 Assessment
Advantages
- Excellent water resistance with minimal absorption
- Wide service temperature range
- Good thermal insulation properties
- Lightweight and easy to handle
- Chemical and weather resistant
- Non-toxic and safe to handle
- Available in various densities and thicknesses
- Can be adhesive-backed for easy installation
Constraints
- Not fire retardant in standard form
- Requires thermal barrier for interior applications
- Limited UV resistance without treatment
- Can compress permanently under sustained loads
- Environmental data not widely available
- Petroleum-based product
08 Applications
A1 Thermal insulation for walls, ceilings, roofs, and pipes
A2 Expansion joint filler (backer rod) in concrete and masonry
A3 Sill plate gaskets between foundation and framing
A4 Vibration damping and sound insulation
A5 Packaging and cushioning material
A6 Weatherstripping and draft exclusion
A7 Pipe insulation and lagging
09 Sources & Standards
Sources pending — citations for this material are not yet recorded. Verify all figures against manufacturer data and current standards before specifying.