ARDEX W 820 SUPERFINISH is non-combustible- A1 in accordance with EN 13501, conforms to EN 13963: 2014 Jointing Material for Gypsum Boards, and EN 13279-1 Gypsum binders and gypsum plasters.
The calculation above indicates the approximate number of units required, and does not allow for site conditions or wastage
The calculator below will tell you how large an area a unit of the selected grout will cover, based on the dimensions that you supply.
Simply enter the required figures in the boxes below and view the results in the results box.
All tile and joint dimensions are rounded up to the nearest number (no decimal points).