Henry Rubberized Wet Patch 1-Gallon Waterproofer Elastomeric Cement Roof Sealant – Lowe’s B&M YMMV – As Low As $5.27

76% off at one store by me. Looks to mostly be OOS in the few zips I tried, but did see two other stores with the same price.
https://brickseek.com/lowes-inven…u=50255587
https://www.lowes.com/pd/Henry-Co…118528-_-0