HPR
Weatherization/Cellulose Insulation/SANCTUARY® Blow-In or Spray-Applied Insulation
SANCTUARY® Blow-In or Spray-Applied Insulation
Green Fiber

SANCTUARY® Blow-In or Spray-Applied Insulation

25 lbsR-3.7/inchCellulose
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The all-in-one cellulose insulation that can be blow-in, spray-applied, or dense-packed. Made with 85% recycled materials.

Applications

WallsAtticsFloorsCeilings

Certifications

UL ClassifiedUSDA BioPreferredENERGY STARDeclareRed List Free

Product Features

60% Reduction in Sound Power
25% Savings on Heating and Cooling
Class 1/A Advanced Fire Resistance
Made with 85% Recycled Materials
Free from Harmful Additives

Description

SANCTUARY by Greenfiber is the all-in-one cellulose insulation that can be blow-in, spray-applied, or dense-packed. It can be easily installed over existing insulation and unlike batt or roll alternatives, it’s engineered to fill every gap, void, and hard-to-reach space, forming a dense barrier that reduces air infiltration to boost thermal performance and reduce sound. Made with 85% recycled materials, free from harmful additives, SANCTUARY supports better living and a greener planet while meeting modern building codes and delivering lasting value for your home.

Specifications

Bag Size25 lbs
R-Value per Inch3.7
Coverage at R-3027.4 sq. ft. per bag
Insulation TypeCellulose
Density (settled)1.5 pcf
Thermal Resistance3.7 R/in. (at 4 in. thickness)
Flame Spread5
Smoke Developed5
Critical Radiant Flux≥ 0.12 w/cm²
Smoldering Combustion≤ 15.0%
Moisture AbsorptionAcceptable
CorrosivenessAcceptable
Fungi ResistanceAcceptable
Odor EmissionAcceptable
Installation MethodsBlow-in, Spray-Applied, Dense-Pack

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