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A Note from the Publisher:
Visit us online at www.buildingenclosureonline.com for daily news updates, latest product information, and articles. The following message is brought to you on behalf of a Building Enclosure marketing partner, The ROCKWOOL Group, the world's leading manufacturer of stone wool insulation, offering a full range of high-performing and sustainable insulation products for the construction industry. We hope you find it valuable, and on behalf of our entire team, thank you for reading!
Jill Bloom
Publisher
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Introducing a new, smart solution for historic concrete or masonry walls
Continuous insulation from the inside just got simpler with new, easy-to-install stone wool with integrated smart vapor control. This new solution, ROCKWOOL Smartrock®, combines thermal protection with vapor and air control, creating thermally efficient, airtight walls that allow for proper vapor movement, helping to preserve the integrity of the exterior cladding material.
See the Solution → |
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The science behind smart vapor technology
New building codes mandate continuous insulation while emphasizing vapor control for high-performance enclosure design. ROCKWOOL Smartrock® is a stone wool insulation board with an integrated smart vapor retarder designed for the interior side of exterior concrete and masonry walls. The smart vapor retarder, utilizing INTELLO Plus by Pro Clima, adapts to seasonal humidity changes, allowing the masonry substrate to dry in both directions while maintaining thermal performance. Its dual-density design conforms to irregular surfaces and provides a rigid, noncombustible and Class A fire-rated insulation solution for high-performance enclosures.
Explore the Technology →
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Strategic mass wall solutions
Mass walls provide inherent thermal benefits, but evolving energy codes require additional insulation to meet performance targets. In climate zones 4+, maintaining thermal performance and vapor control can prove challenging. When insulating from the interior—whether due to lot line restrictions or historic preservation requirements—a comprehensive solution becomes critical to meet these demanding performance targets. Learn about the building science principles behind insulating mass walls, as well as the newest solution from ROCKWOOL.
See Applications →
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Interactive guide for mass wall insulation
Designing interior-insulated mass walls requires careful consideration and placement of the control layers within the wall assembly. This technical guide explores enclosure loads, vapor flow strategies, and climate-specific solutions for precast, cast-in-place, CMU, and masonry assemblies. It's a valuable interactive resource that helps architects and contractors achieve performance targets in both new construction and retrofit applications.
Download the Guide → |
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Theory meets practice - New York City retrofit achieves Passive House certification
Historic masonry buildings present unique challenges when targeting passive house standards. A 100-year-old Brooklyn carriage house demonstrates how interior continuous insulation with integrated smart vapor control transforms aging structures without compromising architectural character. The use of ROCKWOOL Smartrock® created a high-performance assembly that achieved exceptional airtightness (0.3 ACH) while helping to protect the original masonry from the risk of moisture entrapment. It also helped the building earn certification from both PHI and Phius.
Read Case Study →
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Installing Smartrock on the interior side of exterior mass walls
Proper installation techniques for ROCKWOOL Smartrock® ensure optimal performance of interior continuous insulation systems. This step-by-step video demonstrates substrate preparation, fastening methods, and air sealing for interior-insulated mass wall applications. Learn how Trufast's specialized anchoring solutions—including Plasti-Grip PMF anchors and Thermal-Grip fasteners—create secure connections between insulation boards and mass wall substrates.
Watch the Video →
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