Overview Reviews Product Description Refrigeration coils are prone to pinhole leaks and hairline cracks. Heat-Seal Stik® was specifically made to seal these small holes for an immediate fix, even if the appliance will need to be replaced eventually. Heat-Seal Stik® works with heat - no mixing of epoxy compounds necessary Markal - TEMPIL - LA-CO Catalog Product Videos Custom Field Product Reviews Write a Review Write a Review × Markal Heat-Seal Stik® Epoxy Repair Sealant 11575 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *