SOPRA-CELLULOSE AB is an all borate-treated blow-in insulation made of more than 80% recycled paper and cardboard. It consists of loose small gray fibers, smooth to touch. SOPRA-CELLULOSE AB is also odorless and has a low VOC content. It acts as a protective shield to reduce the transmission of heat and sound. Efficient and environmental-friendly, SOPRA-CELLULOSE AB will reduce energy consumption and improve indoor comfort for a wide range of climatic conditions. Product available in the United States only.
  • High thermal resistance with an R-value of 3.7 per inch
  • Superior flame resistance and superior acoustic properties
  • Product compliant with ASTM C739 standard, offering superior resistance to corrosion, the proliferation of mould and insect pests
Tests and Certifications


Insulation, Soundproofing

Product role

Insulation, Soundproofing

Building Component

Walls, Indoor Applications

Storage instructions

Bags must be stored indoor, in a dry place in their original packaging. On a work site, store in their original, non-perforated packaging and cover the bags with an opaque protective tarp.

SOPRA-CELLULOSE AB  product line

Accessory Products

Superior Eco-Friendliness.
Superior Insulation.

Our Calculators

R and RSI Value ConverterR and RSI Value Converter

R and RSI Value Calculator

Both R and RSI serve to indicate the extent to which insulator is effective in blocking heat transfer. Use the calculator below to get the conversion.

Cellulose Insulation CalculatorCellulose Insulation Calculator

Cellulose Insulation Calculator

Use this calculator to determine how many bags of thermal insulating cellulose you will need to perform your insulation work.

Any questions?

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