The difference between a cut size and a finished size is the width of the hem and the width of the seam (or welding). The normal width of the hem and seam in tarpaulin confection is about 5 cm.

Cut size is the gross size before fabrication. The finished size will be smaller (-/- 2 x 5 cm hem , -/- number of seam x 5 cm)

Finished size is the nett size after fabrication. The cut size will be bigger (+/+ 2 x 5 cm hem, +/+ number of seam x 5 cm).

Tolerance on all mentioned sizes is  +/- 2%

In our Know How PDF-document “Cut Size and Finished Size” you find an explicit clarification.