Welcome to SteelPhalt - Making Roads Safer

SteelPhalt has been developing and manufacturing high performance asphalt products for the UK roadmaking industry since the 1960's. Based in Rotherham, South Yorkshire, SteelPhalt is ideally located to source slag cost-effectively from the surrounding steel industry - a sustainable way of making asphalt since at least 95% of the product is recycled.

With a reputation for first class products matched by a commitment to innovation and sustainability, SteelPhalt works in partnership with councils, local authorities and contractors nationwide to deliver durable roads for a sustainable world.

Made from 95% Recycled Material
An introduction to SteelPhalt
Our Asphalt & Roadmaking Products
SteelPhalt restores historic Wentworth Woodhouse driveway
SteelPhalt restores historic Wentworth Woodhouse driveway 23 July 2018 “We are so grateful for this tremendous act of corporate generosity from SteelPhalt. Wentworth Woodhouse is such an important site and the access road has been a significant problem for a long time. Thank you to all who have made this happen.” View full story
SteelPhalt Commercial Manager Dean Raynor set to retire...
SteelPhalt Commercial Manager Dean Raynor set to retire... 25 September 2017 ...after 43 years he's 'put a shift in!' View full story