The story doesn't add up.

June 2010 - Acquisition Late June 2011 - medical emergency July 1 2011 - Product launch

He's saying it's a great year of development and integration, then in the one or two weeks he's on bed rest the whole thing falls apart? Come on.

Tiles like this:

https://www.homedepot.ca/product/usg-cgc-ceilings-2-ft-x-2-ft-radar-basic-2120-lay-in-ceiling-tile-sold-by-case-pack-of-4-/1000820878?eid=PS_GO_140203__ALL_PLA-526641&eid=PS_GOOGLE_D00_Corporate_GGL_Shopping_All-Products_All+Products__PRODUCT_GROUP_pla-294357559827&pid=1000820878&store=7158&gad_source=1&gad_campaignid=1624814283&gclsrc=ds

Have a tongue and groove system, you staple and glue half, then slide the next one in and repeat.

We have these in our basement, and they're ok but a pain to fix if one in the middle gets loose.