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koolfoam black pearl
Featured Product

Smarter Insulation. Superior Performance.

Koolfoam Black Pearl is an advanced graphite-infused EPS insulation engineered to deliver superior thermal performance with less material.

Built for New Zealand conditions and backed by decades of manufacturing expertise, Black Pearl delivers exceptional performance, durability and ease of installation across a wide range of applications.

One insulation solution. Multiple building systems. Whether you're building new or upgrading existing buildings, Black Pearl delivers premium insulation performance where space and efficiency matter most.

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koolfoam black pearl
Graphite Enhanced EPS

Advanced Graphite Technology

By incorporating graphite particles into the insulation matrix, Black Pearl reflects and reduces radiant heat transfer, providing up to 30% greater thermal efficiency than standard EPS insulation. This allows designers, builders and homeowners to achieve higher R-values while maximising usable space.

The result is a high-performing insulation solution that helps create:

  • Warmer homes in winter
  • Cooler buildings in summer
  • Lower energy consumption
  • Greater occupant comfort
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koolfoam black pearl
The Benefits

Why Choose Koolfoam Black Pearl?

  • Higher thermal performance
    Provides up to 30% greater thermal efficiency than conventional white EPS, helping achieve higher R-values with thinner insulation.
  • More usable space
    Deliver the same thermal performance with less thickness, creating more usable interior space and greater design flexibility.
  • Strong and lightweight
    Easy to handle and install while offering excellent compressive strength and long-term durability.
  • Moisture resistant
    The closed-cell EPS structure resists moisture absorption to help maintain long-term thermal performance.
  • Fire retardant
    Manufactured using Neopor® with integrated flame retardants to reduce surface flame spread and improve safety performance.
  • Built to last
    Designed for long-term performance in demanding New Zealand environments. Manufactured to industry standards.
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koolfoam black pearl
Applications

Where Can I Use Koolfoam Black Pearl?

Koolfoam Black Pearl is suitable for a wide range of residential and commercial applications, including:

  • Under slab insulation
  • Slab edge insulation
  • Roof cavity insulation
  • Timber framed walls
  • Steel framed walls
  • Masonry wall insulation
  • Exterior Insulated Finishing Systems (EIFS)
  • Interior Insulation Systems (IIS)
  • Warm roof membrane underlays
  • Panel wall construction
  • Precast concrete panels
  • Retrofit insulation projects
  • Thermal breaks
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Koolfoam Black Pearl Specifications

Black Pearl Masonry Wall Options

Panel WidthPanel WidthThicknessR Value
355mm555mm40mmR1.30
355mm555mm45mmR1.45
355mm555mm50mmR1.61
355mm555mm60mmR1.93

Available in 2.4m and 2.7m lengths.

Black Pearl Cavity Wall & Mono Pitch Roof Insulation Panels

Panel WidthsThicknessR Value
360mm, 560mm, 860mm70mmR2.26
360mm, 560mm, 860mm90mmR2.90
360mm, 560mm, 860mm100mmR3.22
360mm, 560mm, 860mm210mmR6.77

Standard panels are 1.2m long with concertina cuts for compression fit. Custom sizes can be made.

Black Pearl Thermal Chart

ThicknessBlack PearlS GradeH GradeVH GradeXPS
20mmR0.64R0.52R0.55R0.57R0.74
25mmR0.80R0.65R0.69R0.71R0.93
30mmR0.96R0.78R0.83R0.86R1.11
35mmR1.13R0.92R0.97R1.00R1.30
40mmR1.30R1.05R1.11R1.14R1.48
45mmR1.45R1.18R1.25R1.29R1.67
50mmR1.61R1.31R1.38R1.43R1.85
55mmR1.77R1.44R1.52R1.57R2.04
60mmR1.93R1.57R1.66R1.71R2.22
65mmR2.09R1.71R1.80R1.86R2.41
70mmR2.26R1.84R1.94R2.00R2.59
75mmR2.41R1.97R2.08R2.14R2.78
80mmR2.58R2.10R2.22R2.29R2.96
85mmR2.74R2.23R2.36R2.43R3.15
90mmR2.90R2.36R2.50R2.57R3.33
95mmR3.06R2.50R2.63R2.71R3.52
100mmR3.22R2.63R2.77R2.85R3.70

UnderSlab sheets are 2.4m x 1.2m and are manufactured in a range of thicknesses, from 10mm to 820mm. XPS has a max thickness of 100mm, and EPS up to 820mm.

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At Koolfoam, we have the quality solutions and expertise you can rely on to get the job done right.

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