Large-scale cement production began on the site of Shoreham Cement Works at the end of the 1800s before closing down 30 years ago.

Once the workplace of more than 300 employees, the building just off the A283 towards Shoreham has remained abandoned ever since, decaying and covered in asbestos.

Urban explorers, who said the building was one of the most dangerous they have ever entered, shared pictures of the inside with The Argus.

Inside the Shoreham Cement Works Urban Lad Yorkshire

“The site is really one of a kind,” said Urban Lad Yorkshire, who owns a YouTube channel of the same name.

The Plant was bought by Sussex Portland Cement in 1891 and had produced nearly 800 tonnes of cement by 1991.

It was rebuilt between 1948-1950 and contains the first ever installation of the Vickers Armstrong design of rotary kiln.

Inside the Shoreham Cement Works Urban Lad Yorkshire

These kilns still stand today, and at more than 100m long and 3m wide, they were capable of producing 550 tonnes of cement.

Slurry was fed into them and burnt at 2,500 degrees Fahrenheit.

The plant employed 250 people in 1968 which rose to 330 by 1981.

Although successful, the kilns were labour intensive and brought high levels of pollution. They eventually closed in 1991.

Pictures from inside the building show the kilns as they are now.

Inside the Shoreham Cement Works Urban Lad Yorkshire

Urban Lad Yorkshire said: “To be honest, I think they could run it again with a little bit of tinkering because it was such a big machine and big nuts and bolts.

“Stuff from that time period was built to last and it is lasting – it will have to be left to rot for hundreds of years."

The 2019 summer adventure saw the team of explorers navigate “sketchy” steel walkways and climb on top the roof.

Inside the Shoreham Cement Works Urban Lad Yorkshire

Plants have grown near the kilns, sprouting up alongside the rubble and fallen roofing.

“It was a very interesting place,” said Urban Lad Yorkshire said.

“I wanted to go back, but now I know all the asbestos don’t think will be.”

It is reported that all the conveyors and supporting towers were clad in asbestos cement sheet.

Asbestos is long and thin fibrous crystals that has been shown to cause cancers and asbestosis.