Masterchem Industries has released KILZ Pro-X PVA Drywall Primer and KILZ Pro-X p50 Block Filler. The drywall latex primer evens out porosity on new, uncoated drywall. It is formulated to prime and seal the drywall to reduce the number of topcoats required to achieve a uniform professional quality finish. The block filler is designed for above-grade use on concrete block, cinder block, and poured or precast concrete. It is an economical interior/exterior latex primer formulated to fill and seal porous masonry surfaces, reduce pinholing and help produce a smooth topcoat for a uniform, professional quality finish.