as you know im building a new viv im only using expandable foam on the back wall so i know i need to coat the other walls in floor varnish but do i coat the back wall in floor varnish then put the foam on an seal that or will it be ok to just put the foam on an seal the foam????
please help as i cant do anything on the viv untill i know this thanks
please help as i cant do anything on the viv untill i know this thanks