Jotun Alkali Resistant primer Product description : Type This product is a superior quality alkali resistant water based primer. Based on acrylic copolymer emulsion. Features and benefits Provides an excellnt base for subsequent coats. Excrllent penetration into the substrante there by providing the best adhesion. Offers best protectoin againts alkali attack. Recommended use Ideal for priming exterior surfaces. Substrate Cement plaster, concrete, block work, rendered surfaces, gypsum board etc. Substrate should have sufficient sterngth to receive the paint. Any defects in the substrate like surface undulation, cracks, pin holes etc., should be rectified/filled before starting painting. The compatibility of any third party filling material, if used, shall be comfirmed with Jotun before appication.