More choice means maximum performance.

Halo Element Board Size1 Standard
Thicknesses1
Zero Thermal Drift Guaranteed R-value2 Compression
Strength3 psi(KPa)
SUBTERRA (with polypropylene laminate) 4’ x 8’
1230mm x 2460mm
1.0″, 1.5″, 2.0″
26mm, 38mm, 52mm
R-5 per nominal inch
(based on thickness of 1 1/16″)
16 (110), 30 (210)
SUBTERRA PLUS (with cross-woven laminate) 4’ x 8’
1230mm x 2460mm
1.0″, 1.5″, 2.0″
26mm, 38mm, 52mm
R-5 per nominal inch
(based on thickness of 1 1/16″)
16 (110), 30 (210)
EXTERRA 4’ x 8’
1230mm x 2460mm
.563″, .625″, 1.0″, 1.5″, 2.0″
11mm, 13mm, 26mm, 38mm, 52mm
R-5 per nominal inch
(based on thickness of 1 1/16″)
10 (70)
INTERRA 4’ x 8’
1230mm x 2460mm
R-5 per nominal inch
(based on thickness of 1 1/16″)
10 (70)
  1. Custom lengths, thicknesses and compressive strengths are available upon request. Please contact your local Halo dealer or Halo representative.
  2. Typically, XPS and ISO insulation products are not guaranteed to maintain their published R-values over time. Halo meets or exceeds most XPS guaranteed R-Values (check the guaranteed R-value with your XPS supplier).
  3. Listed compression values are minimum requirements conforming to ASTM C578, and CAN/ULC S701. Halo Products meet or exceed the requirements of ASTM C578, “Standard Specification for Rigid, Cellular Polystyrene Thermal Insulation”, and CAN/ULC S701, “Expanded Polystyrene Insulation Board and Pipe Covering”

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