BS EN 1015-7:1999

This standard BS EN 1015-7:1999 Methods of test for mortar for masonry is classified in these ICS categories:

• 91.100.10 Cement. Gypsum. Lime. Mortar

This European Standard specifies two methods for determining the air content of fresh mortars including those containing mineral binders and both dense and lightweight aggregates.

Method A “The pressure method” and Method B “The alcohol method”.

For air content less than 20 %, method A is applicable. For air content of 20 % or more, method B is applicable.

Method using either applied air pressure or an alcohol-water mix to displace air from the pores.