Make use of a stiff brush to scrub away the dead moss. This may assist to remove the moss in the surface from the block paving. 11pcs out of doors decking tiles, interlocking terrace flooring interlocking terrace tiles balcony terrace tiles for patio/ park (grey) Spacious lounge with UPVc double https://moodjhomedia.com/story2491902/the-smart-trick-of-block-paving-kirkham-that-nobody-is-discussing