A healthy lawn required adequate water, an exchange of oxygen and nutrients and a level of microbial activity in its soil. A thatch layer (an accumulation of roots, crowns, and grass clippings which creates a dense mat of vegetation at the soil level) acts as an insulator, keeping soil temperatures low and helping to retain moisture. However, when thatch build-up exceeds ½ inch, it can prevent the exchange of water and vital nutrients from the atmosphere to the soil, decreasing the turfs ability to thrive and fight disease and dehydration.
Dethacthing, also known as combing or power raking, is a process that removes unwanted thatch. It’s recommended to dethatch in early spring or late fall to allow the lawn a better chance of recovery after combing.

1. Thatch is a dense mat of roots, stems and grass clippings that accumulates
   between the soil and growing blades of grass.
   
2. Combing with flail blades, delta reel blades or spring tines will effectively remove thatch build up.
   
3. With thatch removed, air , water, nutrients, herbicides and pesticides can do their job. Turf becomes healthier and more resistant to insect damage and disease.
   
4. Dethatching at regular intervals promotes denser growth and ensures you’ll have a vibrant lawn.
   

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