Standard depths available:

120mm, 150mm, 170mm, 200mm and 250mm

Standard widths:

1 200mm

Non-standard widths:

In 100mm increments

Min. concrete strength at detensioning:

35mPa for 120mm, 150mm, 170mm and 200mm deep slabs,
40mPa for 250mm deep slabs

Min. concrete strength at 28 days:

50mPa

Suggested max. span/depth ratio:

L/50

Prestressing wire type:

5mm dia. triple indented low relaxation wire

Prestressing strand type:

9,53mm dia. stabilized strand
12,5mm dia. stabilized strand

Suggested bearings:

On brickwork – 100mm
On steel – 75mm
On concrete – 75mm

Fire rating:

1 hour standard. Higher ratings are possible.