Is Armstrong Ceilings on Sale? November 2026

Questions and answers

What is the difference between Dune and Ultima panels?

Dune is a standard mineral-fiber lay-in panel with a lightly textured face and good sound absorption. Ultima has a smoother, more uniform face, better sag and mold resistance, and higher acoustic ratings. Ultima suits finished spaces; Dune suits utility and budget work.

Do Armstrong ceiling panels fit standard grid?

Yes. The 2x2 lay-in panels drop into a standard 15/16-inch exposed tee grid. They also work in a 9/16-inch grid. Check the panel edge type, since some tiles are square edge and others are tegular and sit below the grid.

Are these panels rated for fire and sound?

Most Armstrong mineral-fiber panels carry Class A fire ratings. Dune and Ultima both absorb sound, with Ultima offering higher noise reduction and ceiling attenuation class ratings. Confirm the exact rating on the panel you buy, since it varies by product.

What warranty does Armstrong offer on ceiling panels?

Armstrong publishes limited warranties by product line, and Ultima typically carries a longer coverage term than Dune. The warranty covers manufacturing defects, not damage from moisture, installation or handling. Keep the case labels for a claim.

Can these panels be used in a basement or humid room?

Standard Dune panels are for dry, conditioned spaces and can sag in high humidity. Ultima is the better choice for basements and rooms with moisture, and Armstrong also sells specialty humidity-rated panels. Avoid direct water contact either way.

Are there Armstrong Ceilings discount codes?

Deal.ai checks what Armstrong Ceilings products actually cost at every store, so a real markdown shows on this page as a deal as soon as it starts, and each product's page has its price history to tell a sale from its usual price.