A high-grade mastic compound of asphalt and mineral fillers. This material is blended in proportions to assure maximum resistance to weathering while providing ease of application. A soft pliable material that gradually hardens to a durable and water resistant seal. It sets firmly after application, yet retains is pliability over a period of years. For repairing leaks in asphalt, metal, and composition roof surfaces. Used for waterproofing and on flashing where a heavy duty product is required and as an emergency patching compound that provides good water resistance. Covers 12-1/2 sq. ft. per gallon applied 1/8" thick.

$12.49/ GL

In Stock 8

Product Specifications
  • SKU: 78800010
  • Mfg Part Number: GRGPRC1
  • Dimensions:
  • Weight: 12.58 LB
Additional Information