Use for small or large pedestrian projects such as: Patios, sidewalks, walkways, paths and pool surrounds 18″ (45 cm) seating walls and fire pits Concrete pavers, natural or wet cast stones Porcelain tiles and slabs Coverage per Gator Base Unit Total area 24.25″ x 36.25″= 6.1 sq. ft. / 61.5 cm x 92 cm= 0.566 sq. m. Usable surface 23.5″ x 35.5″= 5.79 sq. ft. / 59.5 cm x 90 cm= 0.536 sq. m.