ceilume 12 pc stratford ultra-thin feather-light 2x2 lay in ceiling tiles - for use in 1" t-bar ceiling grid - drop ceiling tiles (white) ceilume stratford utlra-thin feather-light ceiling tiles are unlike any ceiling tile you’re ever seen... or felt. when you take them out of the box you’ll be surprised by the minimal weight of their ultra-thin construction. ceilume stratford tiles are formed from a thin sheet of vinyl that is only .013” thick – about the thickness of a business card. but the stratford’s geometric design combined with the inherent strength of vinyl makes these tiles rigid, durable, and easy to install. they don’t generate dust, they’re unaffected by moisture and they’re easy to clean. our tiles are astm-e84 class a fire rated, iapmo recognized compliant with 2006, 2009 and 2012 international building code and fda compliant for food preparation areas. they're greenguard environmental institute certified for indoor air quality at the children and schools level, and fully recyclable. place them in your ceiling grid and you’ll be thrilled by the way the stratford improves the look of your room!