Administrators put green block maker up for sale

Woodcrete block producer Durisol has been put up for sale after its main Canadian backer pulled support placing it into administration.
Cement-bonded wood fibre blocks produced by the firm have been available in the UK for over 15 years, although the technology was developed in 1947 in Austria.
The business, which operates from a factory in Crumlin, South Wales, turned over £1.7m last year, but slid to a £360,000 loss.This year the business is understood to have forecast revenue coul