Impartial laboratory test data of Robert W. Hunt Co. Engrs under sponsorship of the Perlite Institute INC. Strength data based on ASTM Type I Portland Cement.
Neutralized vinsol resin or other air entrainment agent is used in all mix designs, according to manufacturer's recommendations. Exact quantity of water depends on site conditions and can be adjusted to achieve the required density. The 1:6 mix ratio is the standard mix used on most roof deck applications.