Thanks.
Just to make sure I've got this exactly right, for the mortar that's being used to bond the underside of the tread to the riser, the mortar must be between 10mm and 50mm thick?
Just to make sure I've got this exactly right, for the mortar that's being used to bond the underside of the tread to the riser, the mortar must be between 10mm and 50mm thick?