§ Mr. Malcolm Bruce
To ask the Secretary of State for the Environment what was the total turnover of the United Kingdom insulation industry in 1968, 1978 and in 1988.
§ Mr. Trippier
Sales of insulation materials such as expanded vermiculite, mineral wood, mica, mica products, glass fibre, etc. were around £300 million in the United Kingdom in 1988. Comparable figures for 1968 and 1978 are not readily available.