GP Building Mastic - C3 - Box of 25
GP Building Mastic - C3 - Box of 25
GP Building Mastic - C3 - Box of 25

GP Building Mastic - C3 - Box of 25

Everflex Contract 115 GP Building Mastic is a traditional oil-based pointing mastic that provides an effective weatherproof seal, typically used to seal composite sectional panels and low movement vertical building joints. 

  • Overpaintable
  • Suitable for general pointing and sealing of many joints in traditional forms of construction
  • Adheres to most common surfaces
  • Semi drying – remains permanently plastic beneath surface skin
  • High solids formulation – excellent gap filling properties
  • Good external weathering properties
  • Suitable for interior and exterior use
  • CE Marked