Chalk Refill Prochalk Semi-Permanent Size:5lb. All cracks should be evaluated

All cracks should be evaluated and determined if they are moving or static

High efficient pump requires 25% fewer pumps per gallon than leading competitor

mechanical plates and shovels

Product Performance Properties

Chalk Refill Prochalk Semi-Permanent Size:5lb. All cracks should be evaluatedProChalk Semi Permanent chalk for weather and water resistant lines that hit and stick for a long time but will eventually wear away naturally. Exterior applications include concrete layout, roofing, metal fabrication. PERMANENCY STANDARD HI VISIBILITY SEMI PERMANENT PERMANENT UNLIMITED DYE COLOURS Blue White Lime Orange Yellow Black Red Back Blue Red Bue Red PERMANENCE RANK 1 2 3 4 5 BEST FOR Interior Exterior Exterior Exterior Exterior Exterior