Propulsion grout piles combine the unique benefits of helical installation with grouted displacement piles. MAGNUM® products are manufactured in the USA according to our ISO 9001 approved Quality Program. Our MAGNATUDE® piles utilize rigid bolted couplings to join extension sections and the lead section, extending the grout column and placing the helical bearing elements down to the desired bearing stratum. Structural capacities are developed according to AISC 360 and consider buckling length of 5 ft unbraced length. Grout displacement plates create an annular space which is filled by grout that is propelled down from the grout reservoir at the surface by the grout propellers that are spaced along the pile shaft. Grout is relied upon for ground improvement, adhesion and corrosion protection only. Required depth of the pile depends on ground conditions and should be determined for each site by a design professional.