UN1ON KRACK SEAL Paste Is A Single-pack, Acrylic-based, Ready-to-use Putty Designed For Filling And Sealing Cracks On Both Internal And External Plastered Surfaces.Areas Of Application:As A Crack-filling Paste For Internal And External Surface Cracks On Masonry Surfaces Such As Brick, Blocks Or Plaster Up To 5 Mm In Width.Features & Benefits:Paste Form, Easy To ApplyCan Be Used For Both Internal And External SurfacesCan Seal Non-moving Cracks Up To 5 Mm Wide In Plasters And Wal... Read more