Lawn overseeding is a process of re-establishing a lawn that is old and worn out or to add a new variety of turf type grass that is better developed to withstand insects, disease, drought, and heavy foot traffic. JJ's overseeding process is done by means of a self powered machine that cuts slits into the ground removing thatch buildup and dropping seed into the newly cut soil ensuring good seed to soil contact. Overseeding will bring new life to your lawn for years to come.