Carmarthenshire roofing contractor Randell and Janes Roofing Specialists has been fined £2,000 after a teenage apprentice fell through a fragile roof, breaking his arm.
Shaun Jacob, 18, was removing the ridge from a metal sheet roof when it buckled, causing him to fall 3m to the floor below in October 2009.
An investigation revealed that there had been no risk assessment carried out for the job, and there was nothing to break the fall placed beneath the roof as it was being removed.
Randell and Janes Roofing Specialists pleaded guilty to a breach of Regulation 4 of the Work at Height Regulations 2005 when it appeared before magistrates in Ammanford.
HSE Inspector Phil Nicolle said: “It is disappointing that a company whose primary business is roof work displayed such significant failings. Employers have a legal requirement to properly plan work at height and ensure it is appropriately supervised, but this did not happen in this case.”
The firm was also ordered to pay £1,500 costs.