Blooma Deck riser (L) 200mm, Pack of 10

With no additional tools needed for their installation, these adjustable risers fix paving slabs in place. Simply lay the risers on to dry sand, glue on to concrete screed or seal with grout mortar depending on the ground type and that is it. This product allows you to even install paving on waterproofing and poorly levelled or sloping ground, just adjust the height and angle.