- PERMANENT R5 PER 1-1/16 INCH
- IMPROVED THERMAL PERFORMANCE
- LIGHTWEIGHT & DURABLE
Halo® Exterra® is a high-performance, breathable, and continuous insulation product designed for exterior applications. Insulation specifications continue to change. Exterra R5 per nominal inch GPS core, laminated with an intuitive perforated film, allows vapor to escape and keeps walls dry and healthy to help you meet code. Exterra is lightweight, durable, and easy to cut and install. It also functions as a weather-resistant barrier (WRB) when taped, making this 2-in-1 insulation board cost-effective not only in terms of materials but also labor.
Features & Benefits
- Exterior applications
- Perforated facer to allow moisture to escape the wall assembly
- When taped, qualifies as a WRB
- R5 per nominal inch*
- Air and moisture barrier
- GPS provides a permanent long-term R-value and won’t deteriorate over time like XPS and ISO
- Minimizes the energy loss from thermal bridging
- Light, durable, easy to cut and install
- GPS is 100% recyclable which contributes to environmental sustainability
- Available thicknesses from ½” – 2 ⅛”, 15 PSI
* Thermal performance claim based on a thickness of 1-1/16”
Specifications
| Thickness | R Value |
| ½” | R2.35 |
| 5/8” | R3 |
| ¾” | R3.53 |
| 13/16” | R4 |
| 1” | R4.7 |
| 1 1/16” | R5 |
| 1 ½” | R7.05 |
| 1 ⅝” | R7.5 |
| 2” | R9.4 |
| 2 ⅛” | R10 |
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FAQs
Does HALO Exterra provide continuous insulation?
Yes, Halo provides continuous insulation and is specifically designed for this purpose. Continuous insulation helps simplify compliance with energy codes, reduces thermal bridging, and enhances the overall thermal performance of the building envelope. But to qualify for continuous insulation, it is essential to tape the seams. Taping the seams ensures an airtight and continuous thermal barrier, which is crucial for maximizing the insulation’s effectiveness and meeting energy code requirements.
What fasteners are recommended to install Exterra to wood studs?
Fasteners should penetrate at least 3/4” into the framing studs or blocking between studs. i.e. –
- For 1/2” or 5/8” thickness: Minimum fastener length is 1 3/8”
- For 1” thickness: Minimum fastener length is 1 ¾”
What is the perm rating for Exterra?
The perm rating for Exterra is 1.3 perms at 1.5 inches thickness. At one inch thickness, the perm rating would be even higher than 1.3 perms.
Why do you need to tape Exterra seams?
Taping Exterra seams is essential to ensure it functions effectively as a water-resistant barrier. Properly sealing all joints with tape prevents water infiltration and maintains the integrity of the barrier. This step is crucial for the overall performance and durability of the insulation system.