AEROFLEX Breathe-EZ® Fiber-Free Elastomeric Duct Insulation

The International Mechanical Code (IMC) requires that duct insulation contained in plenum spaces pass ASTM E84 or UL 723 25/50 Flame Spread/Smoke Developed Index.

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Aeroflex USA manufactures the AEROFLEX® brand of EPDM closed-cell elastomeric pipe, duct & equipment insulation in Sweetwater, TN and offers owners, engineers and contractors high-quality, single-source, hermetic EPDM insulation system solutions engineered to ensure success and long-term performance.

Aug 5, 2025 — Products & Services Update

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