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The ROCKWOOL Group is the world’s leading manufacturer of stone wool insulation. We offer a full range of high-performing and sustainable insulation products for the construction industry.

ROCKWOOL’s insulation products are based on innovative stone wool technology and today we are the world’s leading manufacturer of stone wool insulation. The ROCKWOOL group also includes a range of sister companies delivering specialist solutions for the horticultural, marine and offshore sectors.


Building Materials

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Sophia Rini

Sophia Rini is the director of public affairs and communications of ROCKWOOL.

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Nick Schiffer

As owner and founder of NS Builders, Boston builder Nick Schiffer combines his attention to detail with a passion for building. He turned his carpentry company into a premier homebuilding, renovation, custom cabinetry/millwork and media enterprise. As co-founder of “The Modern Craftsman Podcast,” host of the “NS Builders Podcast” and with two successful YouTube series, “Site Visit” and “Crafted by NS Builders,” he offers resources for builders and homeowners. And with a philosophy built on total transparency, he earned the trust of clients.

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Brendan Knapman

Brendan Knapman is a licensed professional engineer and project manager, having experience with full project scopes from feasibility stage through to detailed engineering and construction. In his role as head of product management for ROCKWOOL, he oversees the product management and product development teams, developing new products and applications to meet the growing needs of building envelope designers and builders. He is also actively engaged in industry organizations such as American Society for Testing and Materials, the Single Ply Roofing Industry, and the Rainscreen Association in North America.

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