CelluZorbe™ HD Ceiling Tile Backer

Yes, the CelluZorbe HD Ceiling Tile Backer is built to block and absorb room-to-room noise that travels through a shared plenum above a drop ceiling. It is rated STC 15 and NRC 0.50.

The CelluZorbe HD Ceiling Tile Backer lays directly on top of your existing drop ceiling tiles, so you can leave them in place. However, you may need to remove some tiles to gain access to the top side of the tiles.

Yes, the CelluZorbe HD Ceiling Tile Backer is 23.75" x 47.75" (nominal 2' x 4'), sized to lay on a standard drop ceiling tile grid.

Both are the exact same product except for the size. The CelluZorbe HD Ceiling Tile Backer is cut to a nominal 2' x 4' (23.75" x 47.75") so it can lay on top of existing drop ceiling tiles to control noise across a shared plenum. The CelluZorbe HD Soundproofing Backer is full sized, meant to be installed behind drywall or to construct a soundproof box.

Yes, the CelluZorbe HD Ceiling Tile Backer is Class A fire rated under ASTM E84.

The CelluZorbe HD Ceiling Tile Backer is a rigid board made of 50% pre-consumer recycled cellulose fiber that doesn't itch. It passes fungal resistance, corrosion resistance, moisture absorption and low-VOC testing. It is also eligible for LEED credits.

Yes, the CelluZorbe HD Ceiling Tile Backer improves thermal insulation above your ceiling tiles, with a thermal resistance of R-3.8 per inch.

Lay the CelluZorbe HD Ceiling Tile Backer on top of your existing drop ceiling tiles. CelluZorbe HD cuts like wood. Use a table saw to cut to fit as needed.

Cut the CelluZorbe HD Ceiling Tile Backer with a table saw, the same way you would a wood panel. No special blade is required.