Chalk Refill Prochalk Semi-Permanent Size:5lb. Refer to the Safety

Refer to the Safety

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

Product literature provides general information applicable to some conditions

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

Chalk Refill Prochalk Semi-Permanent Size:5lb. Refer to the SafetyProChalk 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