Keywords: Cement Board.jpg Cement board is composed of aggregated portland cement with a glass-fiber mesh on the surfaces This 5/16 inch 7 9 mm thick cement board is designed as an underlayment for tile floors These are 3 by 5 foot 91 by 152 cm sheets manufactured by the United States Gypsum Company under the DUROCK brand name Photo by Michael Holley April 2008 Taken with a Canon PowerShot A630 1/60 second and F/3 5 with on camera flash Own 2008-04-26 Swtpc6800 en User Swtpc6800 Michael Holley en Wikipedia Swtpc6800 Construction panels Photographs by User Swtpc6800 |