This is a low-viscosity and high-strength epoxy resin for crack injection and repair. This material is used in low pressure injection of cracks in structural concrete, masonry, wood, etc. It allows gravity feeding and sealing of fine cracks in horizontal concrete, masonry, wood, etc. It is a convenient, easy-to-use single tube cartridge containing a 2-part epoxy and will fit a standard caulking gun.the low viscosityof this material allows material to penetrate and seal fine, hairline cracks. It’s moisture tolerancemakes it ideal for dry cracks and surfaces.