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The 140mm Rockwool Flexi, measuring 1200mm x 400mm, offers high-quality insulation for a variety of building applications. This robust and flexible product is made from volcanic rock, providing excellent thermal and acoustic properties. With its unique flexi edge, it ensures a perfect fit to all widths, preventing gaps and enhancing its insulation performance. The product covers an area of 1.92m² making it an ideal choice for insulating large areas.