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HalfBack Premium GPS Continuous Insulation

HalfBack Premium combines graphite-enhanced polystyrene foam with a durable facing for use as continuous exterior insulation in wall assemblies. The rigid facing provides a nailing surface and weather-resistive properties, simplifying installation compared to traditional foam board. Available in R-4.6 through R-14.2.

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HalfBack Premium GPS 1 in. x 4 ft. x 8 ft. R-4.7 Continuous Insulation 25 PSI Graphite EPS Board
4.7
1 × 48 × 96
GPS25

HalfBack Premium GPS 1 in. x 4 ft. x 8 ft. x 48 x 96

R-Value
4.7
Size
1
Price
$29.48
Details
HalfBack Premium GPS 1.5 in. x 4 ft. x 8 ft. R-7.1 Continuous Insulation 25 PSI Graphite EPS Board
7.1
1.5 × 48 × 96
GPS25

HalfBack Premium GPS 1.5 in. x 4 ft. x 8 ft. x 48 x 96

R-Value
7.1
Size
1.5
Price
$43.79
Details
HalfBack Premium GPS 2 in. x 4 ft. x 8 ft. R-9.4 Continuous Insulation 25 PSI Graphite EPS Board
9.4
2 × 48 × 96
GPS25

HalfBack Premium GPS 2 in. x 4 ft. x 8 ft. x 48 x 96

R-Value
9.4
Size
2
Price
$56.25
Details
HalfBack Premium GPS .75 in. x 4 ft. x 8 ft. R-4.6 Continuous Insulation Graphite EPS Board
R-4.6
.75 in × 4 ft × 8 ft
GPS

HalfBack Premium — .75 in. R-4.6 x 4 ft. x 8 ft.

R-Value
R-4.6
Size
.75 in
Price
$13.04
Details
HalfBack Premium GPS 1.5 in. x 4 ft. x 8 ft. R-7.1 Continuous Insulation Graphite EPS Board
R-7.1
1.5 in × 4 ft × 8 ft
GPS

HalfBack Premium — 1.5 in. R-7.1 x 4 ft. x 8 ft.

R-Value
R-7.1
Size
1.5 in
Price
$24.93
Details
HalfBack Premium GPS 2 in. x 4 ft. x 8 ft. R-9.5 Continuous Insulation Graphite EPS Board
R-9.5
2 in × 4 ft × 8 ft
GPS

HalfBack Premium — 2 in. R-9.5 x 4 ft. x 8 ft.

R-Value
R-9.5
Size
2 in
Price
$31.53
Details
HalfBack Premium GPS 3 in. x 4 ft. x 8 ft. R-14.2 Continuous Insulation Graphite EPS Board
R-14.2
3 in × 4 ft × 8 ft
GPS

HalfBack Premium — 3 in. R-14.2 x 4 ft. x 8 ft.

R-Value
R-14.2
Size
3 in
Price
$45.44
Details