Choosing fiberglass or stone wool for fire and acoustics

This blown-in-blanket fiberglass system was specifically designed for closed cavity applications. It fills all voids and gaps, significantly reducing unwanted noise.
Photos courtesy CertainTeed

Both fiberglass and stone wool insulation have merit, promote fire protection and sustainability, and offer value to architects, contractors, and property owners alike. This article’s intent is to present a scientific examination of the benefits of using each, in particular with respect to meeting fire and acoustic requirements and codes.

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Masonry wall systems and insulation

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Today’s high-performance building market is driven by increasingly stringent energy codes and a growing demand for greater building efficiency, sustainability, and affordability—meaning specifying and building masonry cavity walls and adhered masonry walls with materials that work together as a functioning system is more critical than ever.

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Fluid-applied thermal break coatings 101

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Architects designing with concrete balconies, cantilevered beams, roof penetrations, parapets, canopies, spandrel glass, and other ornamental architectural features are often limited in executing these design elements because they can create thermal bridges that extend beyond the insulation systems within the building envelope. This can cause condensation buildup in exterior systems and significant loss of energy performance for the whole building.

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