Products

Applications

New URSA PUREFLOC suits any installation, combining great thermal and acoustic insulation for top performance.

Cavity walls

High-performance insulation for double brick cavity walls. PUREFLOC is injected to fill gaps, eliminating thermal bridges and boosting comfort and energy efficiency.

Loft spaces

Insulation for non-habitable attics. PUREFLOC is blown across the surface, forming a seamless thermal barrier that keeps interiors comfortable year-round.

Roofs

Versatile insulation for warm and cold roofs. PUREFLOC adapts to irregular shapes, ensuring continuous coverage and lasting thermal protection in all conditions.

Frames

Insulation for timber or steel frame structures. PUREFLOC expands to fill every void, ensuring excellent thermal performance and airtightness.

Speed and Ease of Installation

URSA PUREFLOC is a high-performance white mineral wool insulation, free from binders and applied using a precision blowing process. Its lightweight, flexible fibers expand to fill every corner — even in hard-to-reach or irregular spaces — creating a seamless, continuous layer of thermal and acoustic protection.

Installation is quick, clean, and non-invasive: no need for major renovations, minimal drilling, and no waste or leftover cuts. Whether for new builds or refurbishments, PUREFLOC adapts effortlessly to walls, attics, and cavities, saving time for installers and delivering immediate comfort and efficiency for homeowners.

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Committed to Sustainability

At URSA, we believe every building can play a role in protecting our planet’s future. Our insulation solutions, such as PUREFLOC, are designed to significantly improve the energy efficiency of homes and buildings—helping to address one of the primary sources of global CO₂ emissions, which currently account for approximately 30% of the total.

Made from up to 99% natural and recyclable materials, PUREFLOC not only delivers exceptional thermal and acoustic performance, it also supports a healthier indoor environment by being free from harmful chemicals and VOCs. Its installation helps reduce heating and cooling needs by as much as 30–65%, cutting energy bills and lowering carbon footprints for decades to come.

By choosing URSA, you’re not just insulating walls—you’re making a long-term investment in comfort, savings, and environmental responsibility.
Discover how our commitment to sustainability can make a difference for your project.

European Quality Certification

At URSA, quality and safety are at the core of everything we do. The PUREFLOC range proudly carries leading European certifications that validate its exceptional performance and environmental responsibility. Manufactured from up to 85% recycled glass and 99% natural, recyclable materials, PUREFLOC meets the strictest standards for sustainability, indoor air quality, and user health.

It is certified by AENOR, ACERMI, and Eurofins Indoor Air Comfort Gold, achieving the highest A+ rating for VOC emissions. Free from harmful chemicals and with minimal dust release, it ensures a healthier environment for installers and occupants alike.

Choosing PUREFLOC means choosing insulation that is independently tested, proven to perform, and designed to protect both people and the planet for decades.