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Knauf Ecofill WX Blowing Wool Insulation
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Knauf Ecofill WX Blowing Wool


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Estimated Delivery Time 5-7 Working Days

EcoFill Wx blowing insulation is an unbonded, fiberglass blowing insulation with a high degree of recycled content, designed for weatherizing and retrofitting existing housing or new construction.


  • Open blows in attics
  • Dense-pack sidewalls using the drill-and fill-technique


  • UL Environment
  • GREENGUARD Certified
  • GREENGUARD Gold Certified
  • Validated to be Formaldehyde-Free
  • EUCEB Certified
Brand Knauf
Combustibility Non-combustible
Critical Radiant Flux Greater than 0.12 W/cm²
Water Vapor Sorption 5% maximum

Est Delivery between and .

Delivery will always take place on a weekday (Mon - Fri).
For information on delivery costs and more view our delivery info page.