T.P.I. SOD Specifications

Sod Specifications as defined by T.P.I. (Turfgrass Producers International)

The identity of the seed or the mixture must be referred, along with whether it is certified or not.
The thickness of the strip soil must be 15cm, without measuring the leaf surface.
The cutting height, during delivery, must be 30-40 cm for the cold season varieties and 13-20 cm for the warm season ones.
Thatch must not be over 12.5 cm.
The size of each strip can vary.
The turf has to be healthy, free from entomological infections.
There must be no weeds.
It must be dense, so that when the turf is cut 40mm high, the soil will not be visible.
The weight of each roll must be approximately 17-20 kg.
The soil humidity must be balanced.
The subsoil must be sandy, thus allowing for immediate and deep rooting after the installation of the turf.
Lastly, the strip’s strength must be such, that when hung it will not be torn.