Best Concrete Crack Filler (2021): Reviews & Comparison. Sealwithease.com DA: 16 PA: 28 MOZ Rank: 52. Dalton Latex-ite 35099 PLI-STIX Asphalt and Concrete Crack Filler. The Dalton Latex-ite PLI-STIX is ideal for filling and repairing wider cracks in concrete (or asphalt) surfaces. Liquid and gel-based concrete crack fillers are sometimes not ...