This slurry primer is formulated for use when laying porcelain and natural stone paving, which typically have low water absorption rates. It is applied to the underside of paving tiles or slabs to promote a strong bond with the bedding mortar beneath.
On building sites, this primer is commonly brushed onto the back of non-porous paving units just before they are installed. It helps reduce the risk of movement or lifting and minimises discolouration from mortar migration, making it suitable for patios, paths and similar external landscaping projects.
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