Bitumor Mastic shall be broken into small pieces and heated. The surface on which it is to be applied should be primed with Bitumor Primer. It is applied with straight edged piece of wood or trowel. The surface shall not be put under service before 24 hrs. of application of Mastic. Bitumor Mastic is not recommended where there is excessive heat or solvents, minerals oil & grease are anticipated. It is adhesion concrete surface previously primed with Bitumor Primer.