Q: Why choose a high-melting-point marking crayon like Supermark instead of a standard carpenter’s crayon?
A: Supermark is engineered for roofing membranes and industrial rubber surfaces — its high melting point and non-running wax formula ensure legible marks even in hot or direct-sun jobsite conditions.
Q: What kinds of surfaces and conditions is this white crayon particularly suited for?
A: It is designed for flexible single-ply membranes such as PVC, EPDM and TPO, and for rubber surfaces where durability, waterproofing and adhesion of the mark under heat are critical.
Q: How should I store and carry these crayons on a hot jobsite to preserve performance?
A: Keep them shaded and dry in hot weather, avoid leaving them in direct sunlight or on hot metal surfaces, and transport them in a protective pouch or holder to prevent cracking or softening of the wax core.
Q: What marking practices help ensure the mark remains visible and accurate over time on roofing membranes?
A: Use firm, deliberate strokes rather than soft scribbles to deposit pigment properly; make marks before adhesives or primer clean-ups; inspect and re-mark if membranes are exposed to foot-traffic, debris or cleaning solvents.