According to Multiquip, the 180-lb. MQ Whiteman J3036H55 power trowel is the first to allow contractors to convert between 36- and 30-in. guard-ring diameters to fit job requirements. A unique ...

Always review and check the specifications, proposed mix designs and delivery tickets for air-entraining admixtures so you do not unknowingly power trowel air-entrained, normal-weight concrete.