Crack Bridging Exterior Wall Primer 1LT

Nippolac Water Based Elastomeric Crack Bridging Wall Primer is an excellent primer to protect the topcoat on both interior and exterior walls which are prone to hairline cracking due to the movement of the substrate to be painted . It has good elongation properties necessary to accommodate the movement of hairline cracks in masonry substrates. To some extent it has waterproofing properties.