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Free shipping on all USA orders
Free shipping is valid on any order shipped to a single address in the mainland USA. Standard shipping is covered. Overnight or 2-day delivery will cost extra and is not available on custom-made products.
CelluZorbe (24" x 48", 8 sq ft per) panels are budget friendly and environmentally sustainable, made of mostly recycled cellulose fibers. Excellent acoustical performance and thermal insulation. No itch, Class A fire rated, and easy to install.
Bulk discounts available. Save per panel at 14, 28 and 56 panels.CelluZorbe™ Cellulose Acoustic Panels
CelluZorbe is an environment and budget-friendly acoustical panel that doubles as thermal and sound insulation. Made primarily of recycled newspaper, this soundproof insulation is a common alternative to mineral wool insulation and fiberglass insulation. These cheap acoustic panels are a truly flexible solution. They're great as an itch-free core for DIY acoustic panels, and for use as hidden absorption or as value sustainability when solving sound and heat problems!
| Dimensions | 24" x 48" (custom sizes up to 48" x 96") |
| Thickness |
1", 2" |
| Weight | 2 lbs (1"), 4 lbs (2") |
| Density | 3# (6# available via phone) |
| Color | Natural |
| Temperature Rated | Up to 280°F |
| Thermal Resistance (R-value) | 3.7 per inch |
| Cuttable | Yes, in the field or in our shop |
| Itch & Irritation | None |
| Recommended Adhesive | P329 Spray Adhesive |
| Spec Sheet | CelluZorbe™ Product Sheet |
| Architect CSI Specs |
CelluZorbe™ Wall Panel CSI Spec |
| Install Guide |
CelluZorbe™ Install Guide (P329 Spray Adhesive) |
Material Testing
Noise Reduction Coefficient
| Frequency (Hz) | 125 | 250 | 500 | 1000 | 2000 | 4000 | NRC |
| 1" CelluZorbe™ Cellulose Panel | 0.09 | 0.26 | 0.84 | 1.05 | 1.05 | 1.05 | 0.80 |
| 2" CelluZorbe™ Cellulose Panel | 0.39 | 0.63 | 1.18 | 1.11 | 1.06 | 1.09 | 1.00 |
|
Tested Properties | Testing Method | Performance |
|---|---|---|
| Fire Rating | ASTM E84, UL 723 |
Class A |
| Thermal Resistance | ASTM C518 |
R-value: 3.7 per inch |
| Corrosion Resistance | ASTM C739 |
Pass |
| Fungal Resistance | ASTM C1338 |
Pass |
| Moisture Absorption | ASTM C739 | Pass |
| Odor Emissions | ASTM C1304 | Pass |
| VOC Emissions | CDPH v1.2 | Pass |
| LEED Credits | EQ Credit v4.1 | Eligible |
Recommended Adhesive: P329 Spray Adhesive
If buying adhesive locally, we recommend a combination of construction adhesive (Loctite Power Grab or equivalent) and spray adhesive (3M Super 77 or equivalent). See our CelluZorbe™ Install Guide (Construction Adhesive) for instructions.