Irwin Strait-Line Standard Marking Chalk, White - 4 lb corners Tile directly over finished shapes

Tile directly over finished shapes with Schluter SET or ALL-SET mortar

and offers non-sag

What it pairs with

The squeegee can be used as a handheld tool or threaded onto a tapered wood handle for added reach on larger jobs

Irwin Strait-Line Standard Marking Chalk, White - 4 lb corners Tile directly over finished shapesIrwin Strait Line white standard marking chalk delivers high visibility, temporary lines for layout work on the jobsite. The weather resistant formula works indoors and outdoors and marks cleanly on a wide range of surfaces including wood, drywall, concrete, stone, and metal. A flip top cap seals the chalk in an airtight chamber to keep out moisture and reduce clumping, and the marks remain temporary for easy removal and adjustment. Supplied in a 4 lb