YOUR TOP 11 QUESTIONS ON POLYISO INSULATION, ANSWERED

The most popular insulation on the market is polyiso. We frequently hear the same questions about polyiso from builders, so we're answering them here once and for all.

Atlas Guide

Download our FAQ guide for answers to these questions and more:

  • What Is the R-Value of Polyiso Insulation?
  • Is Polyiso Insulation Fireproof?
  • How Does Polyiso Compare to XPS Foam Insulation?

© Atlas Roofing Corporation