High-performance, cost efficient polyiso insulation delivers the highest R-value per inch in real world conditions, making it the smartest investment you can make when insulating your building.


Product Benefits

Easy to install

Does not require thermal barrier because it acts as one (per IECC 2012 ASHRAE 90.1)

Will not soften or melt when exposed to extreme temperatures

Excellent compressive strength allows insulation to stand up to foot traffic from routine maintenance

Requires less embodied energy to manufacture

Firestone Insulation & Accessories

ISO 95+™ GL Insulation

Tapered ISO 95+ Polyiso Insulation 

RESISTA Polyiso Insulation


Cover Boards

Insulation Adhesives

Additional Resources

Read industry information about polyiso insulation, high r-value, continuous insulation & fire performance and all the latest news by visiting the PIMA website.

Read PIMA’s EDP (Environmental Product Declaration) here.

PIMA R-Value Performance Bulletin here.

Current LTTR Values

LTTR Presentation

PIMA R-Value Performance Bulletin





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