PRODUCT REFERENCE / Cellulose Insulation

SANCTUARY Cellulose Insulation

Greenfiber

Overview

Blow-in or spray-applied cellulose insulation. Use current manufacturer instructions for attic-floor installations.

Specifications

Published product data: 25 lb bag. In the published attic-floor table, R-60 corresponds to 17.3 inches initial loose-fill installed thickness, 16.1 inches settled thickness, and 12.0 maximum square feet per bag at that full R-60 coverage level (framing-adjusted as stated by the manufacturer). These are NOT coverage values for adding 6 inches over existing insulation. See the official chart.

Manufacturer ↗Product label / factsheet ↗Safety data sheet ↗Coverage chart ↗

Last verified: 2026-10-15. Confirm current instructions with the manufacturer before use.