Norcros Rock-Tite Brush in Grout is a cement-free brush in permeable jointing compound designed for filling in joints from 3mm wide between concrete, natural stone and porcelain paving slabs.
All weather paving joint compound
Suitable for all types of paving slab including porcelain
Strong and flexible
Norcros Life Time System Guarantee-when used in conjunction with Rock-Tite Primer and Mortar