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PROPINK® L77 Insulation for Retrofit & New Construciton | Owens Corning Insulation
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Retrofit & New Construction

PROPINK® L77 is a high performance fiberglass insulation that’s certified for use in walls, attics, cathedral ceilings, and as floor insulation in both new construction and retrofit applications, so you can use one product for many jobs.

Product benefits

If sustainability is top of mind for your green building or passive house project, consider these facts:

  • PROPINK® L77 has achieved GREENGUARD® Gold Certification and is rated Platinum under the Cradle to Cradle Material Health Certification.
  • PROPINK® L77 is formaldehyde-free, which helps enhance indoor air quality.
  • New construction homes demand energy efficiency; PROPINK® L77 supports energy management with outstanding thermal performance and the highest-rated r value per inch available.